{"source":"polymarket","id":"601494","ticker":"2026-uptspt-open-first-round-leader-20260616030025827","slug":"2026-uptspt-open-first-round-leader-20260616030025827","title":"2026 U.S. Open: First Round Leader","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/2026-uptspt-open-first-round-leader-20260616030025827-n9RbmH9L3i1k.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/2026-uptspt-open-first-round-leader-20260616030025827-n9RbmH9L3i1k.png","active":true,"closed":false,"start_date":"2026-06-16T15:56:34.749529Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":1135.20465,"volume_24hr":1128.47,"volume_24h_change":null,"normalized_vol_24hr":14.400054931640625,"normalized_volume":10.53943920135498,"liquidity":4285.4205,"open_interest":483.6046470000001,"categories":["Sports"],"tags":[{"id":"1","slug":"sports","label":"Sports"},{"id":"101777","slug":"pga","label":"PGA"},{"id":"105351","slug":"us-open-golf","label":"us open golf"},{"id":"100219","slug":"golf","label":"Golf"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Player A","top_outcome_probability":0.5,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-06-17T23:20:52.758468Z","fetched_at":"2026-06-17T23:20:52.758468Z","added_at":"2026-06-16T16:01:02.370090Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827","chart_24h":[6.73465,6.73465,6.73465,6.73465,6.73465,6.73465,6.73465,6.73465,6.73465,6.73465,6.73465,6.73465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,109.20465,1135.20465,1135.20465,1135.20465,1135.20465,1135.20465,1128.47,1128.47,1128.47,1128.47],"markets":[{"source":"polymarket","id":"2566142","event_id":"601494","slug":"will-akshay-bhatia-lead-the-2026-uptspt-open-following-the-first-round-20260616030035965","question":"Will Akshay Bhatia lead the 2026 U.S. Open following the first round?","group_item_title":"Akshay Bhatia","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.46,0.54],"probability":0.46,"spread":0.92,"active":true,"closed":false,"start_date":"2026-06-16T15:46:51.885702Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.0,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":21.5299,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T22:34:34.369144Z","fetched_at":"2026-06-17T22:18:43.990929Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-akshay-bhatia-lead-the-2026-uptspt-open-following-the-first-round-20260616030035965","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.46,0.475,0.255,0.25,0.245,0.24,0.235,0.23,0.43,0.42,0.41,0.23,0.435,0.43,0.445,0.43,0.43,0.43,0.425,0.39,0.405,0.425,0.4,0.41,0.215,0.45,0.46]},{"source":"polymarket","id":"2566140","event_id":"601494","slug":"will-patrick-reed-lead-the-2026-uptspt-open-following-the-first-round-20260616030035963","question":"Will Patrick Reed lead the 2026 U.S. Open following the first round?","group_item_title":"Patrick Reed","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.455,0.545],"probability":0.455,"spread":0.91,"active":true,"closed":false,"start_date":"2026-06-16T15:46:48.793117Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":18.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":23.78,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T22:34:34.369144Z","fetched_at":"2026-06-17T22:33:57.093587Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-patrick-reed-lead-the-2026-uptspt-open-following-the-first-round-20260616030035963","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.44,0.43,0.24,0.425,0.41,0.395,0.39,0.385,0.22,0.22,0.35,0.355,0.445,0.245,0.395,0.385,0.215,0.365,0.205,0.445,0.235,0.45,0.455]},{"source":"polymarket","id":"2566115","event_id":"601494","slug":"will-rory-mcilroy-lead-the-2026-uptspt-open-following-the-first-round-20260616030035938","question":"Will Rory McIlroy lead the 2026 U.S. Open following the first round?","group_item_title":"Rory McIlroy","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.74,"active":true,"closed":false,"start_date":"2026-06-16T15:45:24.481421Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.030000000000000027,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":99.8856,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-rory-mcilroy-lead-the-2026-uptspt-open-following-the-first-round-20260616030035938","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.45,0.435,0.25,0.25,0.415,0.405,0.4,0.4,0.245,0.295,0.475,0.465,0.465,0.38,0.38,0.375,0.23,0.265,0.415,0.41,0.43,0.47,0.275,0.37,0.335,0.295,0.415,0.39,0.37,0.445,0.45,0.43]},{"source":"polymarket","id":"2566116","event_id":"601494","slug":"will-cameron-young-lead-the-2026-uptspt-open-following-the-first-round-20260616030035939","question":"Will Cameron Young lead the 2026 U.S. Open following the first round?","group_item_title":"Cameron Young","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.82,"active":true,"closed":false,"start_date":"2026-06-16T15:45:25.474376Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":28.47,"volume_24hr":28.47,"prob_24h_change":-0.040000000000000036,"volume_24h_change":28.47,"normalized_vol_24hr":4.0973663330078125,"normalized_volume":3.179248332977295,"liquidity":66.2994,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-cameron-young-lead-the-2026-uptspt-open-following-the-first-round-20260616030035939","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.425,0.405,0.41,0.365,0.35,0.485,0.475,0.485,0.475,0.475,0.27,0.205,0.47,0.26,0.25,0.24,0.235,0.23,0.245,0.24,0.24,0.415,0.455,0.44,0.44,0.445,0.4,0.24,0.24,0.24,0.23,0.235,0.41,0.435]},{"source":"polymarket","id":"2566135","event_id":"601494","slug":"will-harris-english-lead-the-2026-uptspt-open-following-the-first-round-20260616030035958","question":"Will Harris English lead the 2026 U.S. Open following the first round?","group_item_title":"Harris English","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.82,"active":true,"closed":false,"start_date":"2026-06-16T15:46:34.816056Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.040000000000000036,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":71.489,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-harris-english-lead-the-2026-uptspt-open-following-the-first-round-20260616030035958","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.46,0.475,0.475,0.465,0.46,0.455,0.435,0.44,0.435,0.43,0.425,0.42,0.41,0.415,0.23,0.225,0.39,0.39,0.22,0.365,0.355,0.36,0.36,0.425,0.25,0.465,0.445,0.415]},{"source":"polymarket","id":"2566137","event_id":"601494","slug":"will-hideki-matsuyama-lead-the-2026-uptspt-open-following-the-first-round-20260616030035960","question":"Will Hideki Matsuyama lead the 2026 U.S. Open following the first round?","group_item_title":"Hideki Matsuyama","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.82,"active":true,"closed":false,"start_date":"2026-06-16T15:46:37.236683Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.040000000000000036,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":91.9797,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-hideki-matsuyama-lead-the-2026-uptspt-open-following-the-first-round-20260616030035960","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.45,0.44,0.44,0.435,0.245,0.395,0.385,0.375,0.215,0.215,0.215,0.46,0.43,0.425,0.415,0.415,0.43,0.43,0.425,0.43]},{"source":"polymarket","id":"2566161","event_id":"601494","slug":"will-adam-scott-lead-the-2026-uptspt-open-following-the-first-round-20260616030035984","question":"Will Adam Scott lead the 2026 U.S. Open following the first round?","group_item_title":"Adam Scott","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.82,"active":true,"closed":false,"start_date":"2026-06-16T15:47:55.402439Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.07,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":77.109,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-adam-scott-lead-the-2026-uptspt-open-following-the-first-round-20260616030035984","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.265,0.33,0.33,0.325,0.48,0.265,0.26,0.265,0.26,0.26,0.26,0.26,0.4,0.425,0.42,0.4,0.42,0.42,0.42,0.425]},{"source":"polymarket","id":"2566162","event_id":"601494","slug":"will-michael-kim-lead-the-2026-uptspt-open-following-the-first-round-20260616030035985","question":"Will Michael Kim lead the 2026 U.S. Open following the first round?","group_item_title":"Michael Kim","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.82,"active":true,"closed":false,"start_date":"2026-06-16T15:47:59.239687Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.19999999999999998,"volume_24h_change":18.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":85.2597,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-michael-kim-lead-the-2026-uptspt-open-following-the-first-round-20260616030035985","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.22,0.22,0.44,0.43,0.44,0.44,0.44,0.435,0.405,0.42,0.405,0.39,0.425,0.45,0.41,0.43]},{"source":"polymarket","id":"2566166","event_id":"601494","slug":"will-dustin-johnson-lead-the-2026-uptspt-open-following-the-first-round-20260616030035989","question":"Will Dustin Johnson lead the 2026 U.S. Open following the first round?","group_item_title":"Dustin Johnson","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.82,"active":true,"closed":false,"start_date":"2026-06-16T15:48:13.546641Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.05499999999999999,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":53.7695,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:05:35.305109Z","fetched_at":"2026-06-17T21:47:41.574463Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-dustin-johnson-lead-the-2026-uptspt-open-following-the-first-round-20260616030035989","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.365,0.335,0.325,0.325,0.32,0.315,0.305,0.3,0.3,0.3,0.475,0.47,0.45,0.435,0.425,0.24,0.37,0.21,0.41,0.415,0.42,0.415,0.4,0.44,0.43,0.42,0.42]},{"source":"polymarket","id":"2566121","event_id":"601494","slug":"will-jon-rahm-lead-the-2026-uptspt-open-following-the-first-round-20260616030035944","question":"Will Jon Rahm lead the 2026 U.S. Open following the first round?","group_item_title":"Jon Rahm","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.415,0.585],"probability":0.415,"spread":0.81,"active":true,"closed":false,"start_date":"2026-06-16T15:45:40.646219Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.07500000000000001,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":70.3993,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-jon-rahm-lead-the-2026-uptspt-open-following-the-first-round-20260616030035944","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.49,0.495,0.275,0.27,0.275,0.27,0.275,0.27,0.465,0.45,0.46,0.445,0.455,0.455,0.45,0.45,0.445,0.435,0.405,0.4,0.42,0.41,0.43,0.405,0.425,0.43]},{"source":"polymarket","id":"2566130","event_id":"601494","slug":"will-robert-macintyre-lead-the-2026-uptspt-open-following-the-first-round-20260616030035953","question":"Will Robert MacIntyre lead the 2026 U.S. Open following the first round?","group_item_title":"Robert MacIntyre","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.415,0.585],"probability":0.415,"spread":0.81,"active":true,"closed":false,"start_date":"2026-06-16T15:46:18.830029Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.07,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":71.9393,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T22:34:34.369144Z","fetched_at":"2026-06-17T22:33:57.093587Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-robert-macintyre-lead-the-2026-uptspt-open-following-the-first-round-20260616030035953","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.485,0.49,0.265,0.26,0.26,0.26,0.35,0.19,0.18,0.225,0.22,0.22,0.22,0.415,0.415,0.415,0.42,0.415,0.43,0.455,0.45,0.415]},{"source":"polymarket","id":"2566134","event_id":"601494","slug":"will-tyrrell-hatton-lead-the-2026-uptspt-open-following-the-first-round-20260616030035957","question":"Will Tyrrell Hatton lead the 2026 U.S. Open following the first round?","group_item_title":"Tyrrell Hatton","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.415,0.585],"probability":0.415,"spread":0.81,"active":true,"closed":false,"start_date":"2026-06-16T15:46:33.798648Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.07,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":74.5698,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-tyrrell-hatton-lead-the-2026-uptspt-open-following-the-first-round-20260616030035957","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.485,0.49,0.495,0.495,0.495,0.46,0.455,0.45,0.45,0.455,0.455,0.255,0.38,0.415,0.425,0.425,0.415,0.425,0.465,0.46,0.445]},{"source":"polymarket","id":"2566149","event_id":"601494","slug":"will-patrick-cantlay-lead-the-2026-uptspt-open-following-the-first-round-20260616030035972","question":"Will Patrick Cantlay lead the 2026 U.S. Open following the first round?","group_item_title":"Patrick Cantlay","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.415,0.585],"probability":0.415,"spread":0.81,"active":true,"closed":false,"start_date":"2026-06-16T15:47:19.344374Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.025000000000000022,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":105.7698,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-patrick-cantlay-lead-the-2026-uptspt-open-following-the-first-round-20260616030035972","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.44,0.46,0.255,0.245,0.24,0.235,0.475,0.475,0.475,0.475,0.47,0.46,0.455,0.445,0.44,0.435,0.245,0.24,0.24,0.24,0.435,0.415,0.415,0.425,0.23,0.405,0.395,0.425,0.42]},{"source":"polymarket","id":"2566155","event_id":"601494","slug":"will-alex-smalley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035978","question":"Will Alex Smalley lead the 2026 U.S. Open following the first round?","group_item_title":"Alex Smalley","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.415,0.585],"probability":0.415,"spread":0.81,"active":true,"closed":false,"start_date":"2026-06-16T15:47:34.327334Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.07500000000000001,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":59.6668,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:05:35.305109Z","fetched_at":"2026-06-17T22:51:29.984863Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-alex-smalley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035978","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.495,0.495,0.495,0.45,0.455,0.455,0.26,0.26,0.205,0.415,0.42,0.425,0.415,0.42,0.425,0.425,0.43,0.415]},{"source":"polymarket","id":"2566122","event_id":"601494","slug":"will-jptjpt-spaun-lead-the-2026-uptspt-open-following-the-first-round-20260616030035945","question":"Will J.J. Spaun lead the 2026 U.S. Open following the first round?","group_item_title":"J.J. Spaun","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.41,0.59],"probability":0.41,"spread":0.74,"active":true,"closed":false,"start_date":"2026-06-16T15:45:40.379820Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":26.734650000000002,"volume_24hr":20.0,"prob_24h_change":0.10999999999999999,"volume_24h_change":13.26535,"normalized_vol_24hr":3.317748546600342,"normalized_volume":3.066213846206665,"liquidity":114.8299,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-jptjpt-spaun-lead-the-2026-uptspt-open-following-the-first-round-20260616030035945","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.3,0.295,0.3,0.295,0.295,0.29,0.29,0.295,0.295,0.295,0.295,0.285,0.29,0.29,0.285,0.29,0.29,0.285,0.29,0.285,0.29,0.29,0.29,0.29,0.41,0.415,0.425,0.44,0.445,0.26,0.4,0.425,0.425]},{"source":"polymarket","id":"2566125","event_id":"601494","slug":"will-xander-schauffele-lead-the-2026-uptspt-open-following-the-first-round-20260616030035948","question":"Will Xander Schauffele lead the 2026 U.S. Open following the first round?","group_item_title":"Xander Schauffele","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.41,0.59],"probability":0.41,"spread":0.8,"active":true,"closed":false,"start_date":"2026-06-16T15:45:53.452349Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.07,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":104.5398,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-xander-schauffele-lead-the-2026-uptspt-open-following-the-first-round-20260616030035948","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.48,0.265,0.265,0.26,0.255,0.48,0.485,0.485,0.265,0.265,0.34,0.335,0.19,0.47,0.475,0.47,0.455,0.44,0.425,0.43,0.43,0.43,0.24,0.415,0.42,0.42,0.42,0.41,0.415,0.245,0.425,0.43]},{"source":"polymarket","id":"2566146","event_id":"601494","slug":"will-nicolai-hjgaard-lead-the-2026-uptspt-open-following-the-first-round-20260616030035969","question":"Will Nicolai Højgaard lead the 2026 U.S. Open following the first round?","group_item_title":"Nicolai Højgaard","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.41,0.59],"probability":0.41,"spread":0.8,"active":true,"closed":false,"start_date":"2026-06-16T15:47:07.172108Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.08000000000000002,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":100.1494,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-nicolai-hjgaard-lead-the-2026-uptspt-open-following-the-first-round-20260616030035969","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.495,0.495,0.495,0.275,0.325,0.18,0.42,0.42,0.42,0.42,0.41,0.425,0.425,0.415,0.425,0.465,0.455,0.43]},{"source":"polymarket","id":"2566153","event_id":"601494","slug":"will-bud-cauley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035976","question":"Will Bud Cauley lead the 2026 U.S. Open following the first round?","group_item_title":"Bud Cauley","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.41,0.59],"probability":0.41,"spread":0.8,"active":true,"closed":false,"start_date":"2026-06-16T15:47:32.678943Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.08000000000000002,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":84.6688,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-bud-cauley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035976","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.27,0.27,0.27,0.27,0.27,0.27,0.43,0.425,0.42,0.415,0.43,0.46,0.43,0.435]},{"source":"polymarket","id":"2566158","event_id":"601494","slug":"will-gary-woodland-lead-the-2026-uptspt-open-following-the-first-round-20260616030035981","question":"Will Gary Woodland lead the 2026 U.S. Open following the first round?","group_item_title":"Gary Woodland","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.41,0.59],"probability":0.41,"spread":0.8,"active":true,"closed":false,"start_date":"2026-06-16T15:47:49.395569Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.08000000000000002,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":75.5798,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-gary-woodland-lead-the-2026-uptspt-open-following-the-first-round-20260616030035981","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.27,0.48,0.48,0.475,0.475,0.5,0.48,0.475,0.455,0.445,0.435,0.435,0.25,0.39,0.42,0.415,0.43,0.405,0.415,0.425,0.42,0.42]},{"source":"polymarket","id":"2566164","event_id":"601494","slug":"will-joaquin-niemann-lead-the-2026-uptspt-open-following-the-first-round-20260616030035987","question":"Will Joaquin Niemann lead the 2026 U.S. Open following the first round?","group_item_title":"Joaquin Niemann","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.41,0.59],"probability":0.41,"spread":0.8,"active":true,"closed":false,"start_date":"2026-06-16T15:48:02.354202Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.08000000000000002,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":94.6293,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-joaquin-niemann-lead-the-2026-uptspt-open-following-the-first-round-20260616030035987","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.495,0.485,0.47,0.455,0.455,0.465,0.45,0.455,0.455,0.45,0.42,0.425,0.415,0.405,0.43,0.44,0.42,0.43]},{"source":"polymarket","id":"2566123","event_id":"601494","slug":"will-collin-morikawa-lead-the-2026-uptspt-open-following-the-first-round-20260616030035946","question":"Will Collin Morikawa lead the 2026 U.S. Open following the first round?","group_item_title":"Collin Morikawa","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.79,"active":true,"closed":false,"start_date":"2026-06-16T15:45:42.693953Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.08499999999999996,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":85.6894,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-collin-morikawa-lead-the-2026-uptspt-open-following-the-first-round-20260616030035946","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.495,0.475,0.455,0.455,0.27,0.27,0.27,0.27,0.27,0.41,0.425,0.415,0.415,0.435,0.44,0.42,0.41]},{"source":"polymarket","id":"2566127","event_id":"601494","slug":"will-aaron-rai-lead-the-2026-uptspt-open-following-the-first-round-20260616030035950","question":"Will Aaron Rai lead the 2026 U.S. Open following the first round?","group_item_title":"Aaron Rai","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.79,"active":true,"closed":false,"start_date":"2026-06-16T15:46:06.896583Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.07999999999999996,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":92.389,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-aaron-rai-lead-the-2026-uptspt-open-following-the-first-round-20260616030035950","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.485,0.49,0.49,0.27,0.27,0.33,0.185,0.18,0.47,0.46,0.44,0.255,0.255,0.255,0.38,0.42,0.425,0.425,0.415,0.425,0.425,0.43,0.425]},{"source":"polymarket","id":"2566138","event_id":"601494","slug":"will-jacob-bridgeman-lead-the-2026-uptspt-open-following-the-first-round-20260616030035961","question":"Will Jacob Bridgeman lead the 2026 U.S. Open following the first round?","group_item_title":"Jacob Bridgeman","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.79,"active":true,"closed":false,"start_date":"2026-06-16T15:46:37.707223Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.034999999999999976,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":100.81,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-jacob-bridgeman-lead-the-2026-uptspt-open-following-the-first-round-20260616030035961","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.44,0.25,0.41,0.405,0.23,0.39,0.385,0.375,0.37,0.365,0.21,0.21,0.21,0.39,0.415,0.42,0.415,0.415,0.425,0.42,0.42]},{"source":"polymarket","id":"2566145","event_id":"601494","slug":"will-bryson-dechambeau-lead-the-2026-uptspt-open-following-the-first-round-20260616030035968","question":"Will Bryson DeChambeau lead the 2026 U.S. Open following the first round?","group_item_title":"Bryson DeChambeau","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.81,"active":true,"closed":false,"start_date":"2026-06-16T15:47:05.117411Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.014999999999999958,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":31.5296,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:05:35.305109Z","fetched_at":"2026-06-17T22:33:57.093587Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-bryson-dechambeau-lead-the-2026-uptspt-open-following-the-first-round-20260616030035968","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.42,0.26,0.255,0.43,0.235,0.225,0.46,0.44,0.43,0.43,0.235,0.42,0.41,0.4,0.395,0.44,0.435,0.4,0.385,0.22,0.2,0.335,0.195,0.32,0.425,0.235,0.405,0.395,0.205,0.34,0.335,0.43,0.23,0.405,0.405]},{"source":"polymarket","id":"2566157","event_id":"601494","slug":"will-shane-lowry-lead-the-2026-uptspt-open-following-the-first-round-20260616030035980","question":"Will Shane Lowry lead the 2026 U.S. Open following the first round?","group_item_title":"Shane Lowry","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.79,"active":true,"closed":false,"start_date":"2026-06-16T15:47:44.509805Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.15000000000000002,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":64.8894,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-shane-lowry-lead-the-2026-uptspt-open-following-the-first-round-20260616030035980","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.255,0.25,0.24,0.235,0.23,0.225,0.22,0.22,0.22,0.455,0.445,0.435,0.44,0.44,0.43,0.42,0.42,0.415,0.425,0.41,0.39,0.425,0.41,0.43,0.42]},{"source":"polymarket","id":"2566163","event_id":"601494","slug":"will-jordan-spieth-lead-the-2026-uptspt-open-following-the-first-round-20260616030035986","question":"Will Jordan Spieth lead the 2026 U.S. Open following the first round?","group_item_title":"Jordan Spieth","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.79,"active":true,"closed":false,"start_date":"2026-06-16T15:48:01.315869Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.14500000000000002,"volume_24h_change":18.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":100.5099,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-jordan-spieth-lead-the-2026-uptspt-open-following-the-first-round-20260616030035986","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.26,0.26,0.35,0.2,0.195,0.185,0.46,0.455,0.455,0.45,0.44,0.425,0.415,0.415,0.415,0.405,0.43,0.42]},{"source":"polymarket","id":"2566167","event_id":"601494","slug":"will-carlos-ortiz-lead-the-2026-uptspt-open-following-the-first-round-20260616030035990","question":"Will Carlos Ortiz lead the 2026 U.S. Open following the first round?","group_item_title":"Carlos Ortiz","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.79,"active":true,"closed":false,"start_date":"2026-06-16T15:48:25.540226Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.08499999999999996,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":86.3698,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-carlos-ortiz-lead-the-2026-uptspt-open-following-the-first-round-20260616030035990","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.48,0.265,0.48,0.48,0.475,0.475,0.48,0.475,0.475,0.455,0.45,0.445,0.45,0.45,0.445,0.445,0.415,0.41,0.41,0.41,0.425,0.44,0.45,0.425]},{"source":"polymarket","id":"2566170","event_id":"601494","slug":"will-laurie-canter-lead-the-2026-uptspt-open-following-the-first-round-20260616030035993","question":"Will Laurie Canter lead the 2026 U.S. Open following the first round?","group_item_title":"Laurie Canter","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.405,0.595],"probability":0.405,"spread":0.79,"active":true,"closed":false,"start_date":"2026-06-16T15:48:28.576355Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.13,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":78.8192,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-laurie-canter-lead-the-2026-uptspt-open-following-the-first-round-20260616030035993","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.275,0.265,0.26,0.25,0.48,0.485,0.485,0.475,0.46,0.48,0.265,0.26,0.25,0.345,0.345,0.345,0.345,0.33,0.4,0.4,0.41,0.425,0.41,0.44,0.41]},{"source":"polymarket","id":"2566136","event_id":"601494","slug":"will-ryan-gerard-lead-the-2026-uptspt-open-following-the-first-round-20260616030035959","question":"Will Ryan Gerard lead the 2026 U.S. Open following the first round?","group_item_title":"Ryan Gerard","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.4,0.6],"probability":0.4,"spread":0.78,"active":true,"closed":false,"start_date":"2026-06-16T15:46:36.973255Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.06,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":87.0197,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-ryan-gerard-lead-the-2026-uptspt-open-following-the-first-round-20260616030035959","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.46,0.475,0.46,0.465,0.47,0.45,0.475,0.465,0.465,0.455,0.465,0.455,0.45,0.45,0.415,0.42,0.415,0.405,0.43,0.4,0.42,0.43]},{"source":"polymarket","id":"2566169","event_id":"601494","slug":"will-david-puig-lead-the-2026-uptspt-open-following-the-first-round-20260616030035992","question":"Will David Puig lead the 2026 U.S. Open following the first round?","group_item_title":"David Puig","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.4,0.6],"probability":0.4,"spread":0.78,"active":true,"closed":false,"start_date":"2026-06-16T15:48:26.807578Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.13,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":94.5094,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-david-puig-lead-the-2026-uptspt-open-following-the-first-round-20260616030035992","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.27,0.275,0.27,0.49,0.275,0.27,0.27,0.32,0.325,0.185,0.475,0.35,0.195,0.475,0.45,0.255,0.345,0.2,0.34,0.34,0.195,0.44,0.415,0.415,0.41,0.22,0.405,0.38,0.4,0.415]},{"source":"polymarket","id":"2566119","event_id":"601494","slug":"will-tommy-fleetwood-lead-the-2026-uptspt-open-following-the-first-round-20260616030035942","question":"Will Tommy Fleetwood lead the 2026 U.S. Open following the first round?","group_item_title":"Tommy Fleetwood","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.395,0.605],"probability":0.395,"spread":0.75,"active":true,"closed":false,"start_date":"2026-06-16T15:45:28.599532Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.09499999999999997,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":76.7799,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-tommy-fleetwood-lead-the-2026-uptspt-open-following-the-first-round-20260616030035942","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.495,0.495,0.495,0.5,0.495,0.5,0.46,0.46,0.455,0.455,0.455,0.47,0.37,0.43,0.425,0.25,0.41,0.425,0.41,0.435,0.44]},{"source":"polymarket","id":"2566132","event_id":"601494","slug":"will-sepp-straka-lead-the-2026-uptspt-open-following-the-first-round-20260616030035955","question":"Will Sepp Straka lead the 2026 U.S. Open following the first round?","group_item_title":"Sepp Straka","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.395,0.605],"probability":0.395,"spread":0.77,"active":true,"closed":false,"start_date":"2026-06-16T15:46:21.815699Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.09499999999999997,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":90.5995,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-sepp-straka-lead-the-2026-uptspt-open-following-the-first-round-20260616030035955","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.495,0.485,0.265,0.26,0.26,0.26,0.345,0.34,0.345,0.345,0.34,0.425,0.45,0.44,0.415]},{"source":"polymarket","id":"2566160","event_id":"601494","slug":"will-jason-day-lead-the-2026-uptspt-open-following-the-first-round-20260616030035983","question":"Will Jason Day lead the 2026 U.S. Open following the first round?","group_item_title":"Jason Day","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.395,0.605],"probability":0.395,"spread":0.77,"active":true,"closed":false,"start_date":"2026-06-16T15:47:52.280550Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.135,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":92.5092,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-jason-day-lead-the-2026-uptspt-open-following-the-first-round-20260616030035983","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.26,0.26,0.26,0.36,0.36,0.205,0.195,0.185,0.455,0.455,0.455,0.255,0.38,0.42,0.405,0.42,0.4,0.43,0.445,0.415,0.425]},{"source":"polymarket","id":"2566124","event_id":"601494","slug":"will-chris-gotterup-lead-the-2026-uptspt-open-following-the-first-round-20260616030035947","question":"Will Chris Gotterup lead the 2026 U.S. Open following the first round?","group_item_title":"Chris Gotterup","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.39,0.61],"probability":0.39,"spread":0.76,"active":true,"closed":false,"start_date":"2026-06-16T15:45:45.549787Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.09999999999999998,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":94.6598,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-chris-gotterup-lead-the-2026-uptspt-open-following-the-first-round-20260616030035947","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.265,0.26,0.48,0.485,0.485,0.475,0.49,0.47,0.48,0.265,0.35,0.34,0.185,0.45,0.255,0.255,0.255,0.215,0.415,0.395,0.405,0.43,0.42,0.43,0.41,0.455,0.425]},{"source":"polymarket","id":"2566144","event_id":"601494","slug":"will-kurt-kitayama-lead-the-2026-uptspt-open-following-the-first-round-20260616030035967","question":"Will Kurt Kitayama lead the 2026 U.S. Open following the first round?","group_item_title":"Kurt Kitayama","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.39,0.61],"probability":0.39,"spread":0.76,"active":true,"closed":false,"start_date":"2026-06-16T15:47:04.108274Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.07,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":101.8524,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-kurt-kitayama-lead-the-2026-uptspt-open-following-the-first-round-20260616030035967","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.46,0.475,0.26,0.255,0.25,0.475,0.475,0.46,0.475,0.47,0.475,0.455,0.455,0.445,0.25,0.25,0.25,0.375,0.355,0.2,0.43,0.415,0.42,0.455,0.465,0.425]},{"source":"polymarket","id":"2566141","event_id":"601494","slug":"will-viktor-hovland-lead-the-2026-uptspt-open-following-the-first-round-20260616030035964","question":"Will Viktor Hovland lead the 2026 U.S. Open following the first round?","group_item_title":"Viktor Hovland","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.385,0.615],"probability":0.385,"spread":0.75,"active":true,"closed":false,"start_date":"2026-06-16T15:46:49.833668Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.07500000000000001,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":93.2299,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-viktor-hovland-lead-the-2026-uptspt-open-following-the-first-round-20260616030035964","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.46,0.255,0.25,0.245,0.24,0.235,0.475,0.475,0.475,0.475,0.47,0.46,0.47,0.465,0.45,0.445,0.245,0.225,0.345,0.345,0.2,0.405,0.435,0.4,0.24,0.235,0.4,0.425,0.41]},{"source":"polymarket","id":"2566143","event_id":"601494","slug":"will-sam-burns-lead-the-2026-uptspt-open-following-the-first-round-20260616030035966","question":"Will Sam Burns lead the 2026 U.S. Open following the first round?","group_item_title":"Sam Burns","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.385,0.615],"probability":0.385,"spread":0.75,"active":true,"closed":false,"start_date":"2026-06-16T15:46:55.117295Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.09499999999999997,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":67.2199,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-sam-burns-lead-the-2026-uptspt-open-following-the-first-round-20260616030035966","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.48,0.46,0.48,0.475,0.475,0.475,0.475,0.455,0.46,0.465,0.46,0.455,0.455,0.45,0.45,0.41,0.415,0.415,0.41,0.43,0.43,0.43,0.43]},{"source":"polymarket","id":"2566148","event_id":"601494","slug":"will-min-woo-lee-lead-the-2026-uptspt-open-following-the-first-round-20260616030035971","question":"Will Min Woo Lee lead the 2026 U.S. Open following the first round?","group_item_title":"Min Woo Lee","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.385,0.615],"probability":0.385,"spread":0.75,"active":true,"closed":false,"start_date":"2026-06-16T15:47:10.293632Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.065,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":92.8499,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-min-woo-lee-lead-the-2026-uptspt-open-following-the-first-round-20260616030035971","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.45,0.465,0.45,0.43,0.425,0.42,0.415,0.41,0.39,0.475,0.46,0.45,0.445,0.45,0.475,0.46,0.45,0.45,0.425,0.415,0.42,0.415,0.43,0.41,0.425,0.415]},{"source":"polymarket","id":"2566165","event_id":"601494","slug":"will-cameron-smith-lead-the-2026-uptspt-open-following-the-first-round-20260616030035988","question":"Will Cameron Smith lead the 2026 U.S. Open following the first round?","group_item_title":"Cameron Smith","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.385,0.615],"probability":0.385,"spread":0.75,"active":true,"closed":false,"start_date":"2026-06-16T15:48:04.362018Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.05499999999999999,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":71.3197,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-cameron-smith-lead-the-2026-uptspt-open-following-the-first-round-20260616030035988","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.44,0.46,0.46,0.48,0.475,0.26,0.475,0.475,0.48,0.475,0.47,0.475,0.455,0.45,0.445,0.445,0.44,0.44,0.395,0.425,0.425,0.415,0.425,0.425,0.43,0.425]},{"source":"polymarket","id":"2566133","event_id":"601494","slug":"will-alex-noren-lead-the-2026-uptspt-open-following-the-first-round-20260616030035956","question":"Will Alex Noren lead the 2026 U.S. Open following the first round?","group_item_title":"Alex Noren","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.375,0.625],"probability":0.375,"spread":0.73,"active":true,"closed":false,"start_date":"2026-06-16T15:46:22.827197Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.11499999999999999,"volume_24h_change":18.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":61.77,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-alex-noren-lead-the-2026-uptspt-open-following-the-first-round-20260616030035956","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.26,0.26,0.255,0.255,0.255,0.37,0.415,0.42,0.43,0.415,0.43,0.42,0.425,0.43]},{"source":"polymarket","id":"2566150","event_id":"601494","slug":"will-maverick-mcnealy-lead-the-2026-uptspt-open-following-the-first-round-20260616030035973","question":"Will Maverick McNealy lead the 2026 U.S. Open following the first round?","group_item_title":"Maverick McNealy","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.375,0.625],"probability":0.375,"spread":0.73,"active":true,"closed":false,"start_date":"2026-06-16T15:47:20.432330Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.10999999999999999,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":91.8199,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-maverick-mcnealy-lead-the-2026-uptspt-open-following-the-first-round-20260616030035973","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.265,0.26,0.255,0.25,0.245,0.48,0.475,0.475,0.475,0.475,0.455,0.45,0.385,0.38,0.215,0.215,0.215,0.39,0.4,0.41,0.23,0.23,0.23,0.43,0.41]},{"source":"polymarket","id":"2566154","event_id":"601494","slug":"will-rickie-fowler-lead-the-2026-uptspt-open-following-the-first-round-20260616030035977","question":"Will Rickie Fowler lead the 2026 U.S. Open following the first round?","group_item_title":"Rickie Fowler","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.37,0.63],"probability":0.37,"spread":0.74,"active":true,"closed":false,"start_date":"2026-06-16T15:47:32.415828Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.065,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":51.7292,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T22:34:34.369144Z","fetched_at":"2026-06-17T22:33:57.093587Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-rickie-fowler-lead-the-2026-uptspt-open-following-the-first-round-20260616030035977","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.435,0.405,0.38,0.365,0.345,0.33,0.325,0.32,0.31,0.31,0.18,0.455,0.46,0.375,0.215,0.215,0.215,0.45,0.42,0.22,0.45,0.24,0.38,0.375,0.38,0.37]},{"source":"polymarket","id":"2566120","event_id":"601494","slug":"will-justin-rose-lead-the-2026-uptspt-open-following-the-first-round-20260616030035943","question":"Will Justin Rose lead the 2026 U.S. Open following the first round?","group_item_title":"Justin Rose","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.36,0.64],"probability":0.36,"spread":0.7,"active":true,"closed":false,"start_date":"2026-06-16T15:45:39.630566Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.13,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":61.2093,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T21:15:38.716074Z","fetched_at":"2026-06-17T21:14:59.153178Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-justin-rose-lead-the-2026-uptspt-open-following-the-first-round-20260616030035943","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.265,0.26,0.48,0.485,0.48,0.475,0.495,0.275,0.27,0.275,0.275,0.27,0.19,0.415,0.255,0.365,0.21,0.21,0.405,0.385,0.39,0.385,0.38,0.375,0.36]},{"source":"polymarket","id":"2566156","event_id":"601494","slug":"will-jake-knapp-lead-the-2026-uptspt-open-following-the-first-round-20260616030035979","question":"Will Jake Knapp lead the 2026 U.S. Open following the first round?","group_item_title":"Jake Knapp","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.36,0.64],"probability":0.36,"spread":0.72,"active":true,"closed":false,"start_date":"2026-06-16T15:47:40.224609Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.040000000000000036,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":34.2795,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T22:33:57.093587Z","fetched_at":"2026-06-17T22:33:57.093587Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-jake-knapp-lead-the-2026-uptspt-open-following-the-first-round-20260616030035979","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.4,0.37,0.355,0.34,0.465,0.45,0.455,0.44,0.44,0.415,0.46,0.45,0.44,0.435,0.43,0.41,0.395,0.22,0.22,0.22,0.405,0.41,0.21,0.21,0.21,0.395,0.21,0.36,0.36]},{"source":"polymarket","id":"2566152","event_id":"601494","slug":"will-keegan-bradley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035975","question":"Will Keegan Bradley lead the 2026 U.S. Open following the first round?","group_item_title":"Keegan Bradley","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.355,0.645],"probability":0.355,"spread":0.69,"active":true,"closed":false,"start_date":"2026-06-16T15:47:25.549547Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.08000000000000002,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":94.5497,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-keegan-bradley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035975","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.435,0.235,0.46,0.425,0.4,0.385,0.375,0.355,0.35,0.34,0.34,0.325,0.475,0.47,0.255,0.37,0.475,0.465,0.46,0.445,0.43,0.24,0.405,0.23,0.22,0.22,0.41,0.455,0.41,0.4,0.4,0.365,0.38,0.365,0.36]},{"source":"polymarket","id":"2566117","event_id":"601494","slug":"will-matt-fitzpatrick-lead-the-2026-uptspt-open-following-the-first-round-20260616030035940","question":"Will Matt Fitzpatrick lead the 2026 U.S. Open following the first round?","group_item_title":"Matt Fitzpatrick","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.68,"active":true,"closed":false,"start_date":"2026-06-16T15:45:25.736547Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.14,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":75.2294,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T22:34:34.369144Z","fetched_at":"2026-06-17T22:33:57.093587Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-matt-fitzpatrick-lead-the-2026-uptspt-open-following-the-first-round-20260616030035940","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.495,0.275,0.27,0.315,0.29,0.175,0.3,0.3,0.3,0.3,0.3,0.28,0.275,0.26,0.25,0.355,0.35]},{"source":"polymarket","id":"2566139","event_id":"601494","slug":"will-kristoffer-reitan-lead-the-2026-uptspt-open-following-the-first-round-20260616030035962","question":"Will Kristoffer Reitan lead the 2026 U.S. Open following the first round?","group_item_title":"Kristoffer Reitan","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.35,0.65],"probability":0.35,"spread":0.68,"active":true,"closed":false,"start_date":"2026-06-16T15:46:49.068838Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.11000000000000004,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":90.2098,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-kristoffer-reitan-lead-the-2026-uptspt-open-following-the-first-round-20260616030035962","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.46,0.475,0.475,0.455,0.45,0.455,0.46,0.455,0.45,0.45,0.425,0.405,0.43,0.4,0.43,0.43,0.43,0.43]},{"source":"polymarket","id":"2566128","event_id":"601494","slug":"will-ben-griffin-lead-the-2026-uptspt-open-following-the-first-round-20260616030035951","question":"Will Ben Griffin lead the 2026 U.S. Open following the first round?","group_item_title":"Ben Griffin","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.345,0.655],"probability":0.345,"spread":0.67,"active":true,"closed":false,"start_date":"2026-06-16T15:46:07.928590Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.10499999999999998,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":104.5996,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-ben-griffin-lead-the-2026-uptspt-open-following-the-first-round-20260616030035951","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.24,0.265,0.45,0.255,0.245,0.435,0.42,0.41,0.49,0.48,0.48,0.26,0.36,0.475,0.475,0.465,0.46,0.455,0.26,0.365,0.21,0.415,0.41,0.41,0.41,0.41,0.395,0.23,0.23,0.23,0.395,0.425,0.435]},{"source":"polymarket","id":"2566147","event_id":"601494","slug":"will-wyndham-clark-lead-the-2026-uptspt-open-following-the-first-round-20260616030035970","question":"Will Wyndham Clark lead the 2026 U.S. Open following the first round?","group_item_title":"Wyndham Clark","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.34,0.66],"probability":0.34,"spread":0.66,"active":true,"closed":false,"start_date":"2026-06-16T15:47:08.232449Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.10000000000000003,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":40.209,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:05:35.305109Z","fetched_at":"2026-06-17T21:30:57.768815Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-wyndham-clark-lead-the-2026-uptspt-open-following-the-first-round-20260616030035970","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.24,0.235,0.225,0.22,0.22,0.46,0.465,0.46,0.455,0.445,0.435,0.455,0.445,0.445,0.39,0.345,0.365,0.36,0.355,0.34,0.34]},{"source":"polymarket","id":"2566159","event_id":"601494","slug":"will-daniel-berger-lead-the-2026-uptspt-open-following-the-first-round-20260616030035982","question":"Will Daniel Berger lead the 2026 U.S. Open following the first round?","group_item_title":"Daniel Berger","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.34,0.66],"probability":0.34,"spread":0.66,"active":true,"closed":false,"start_date":"2026-06-16T15:47:50.464895Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.10499999999999998,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":70.52,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-daniel-berger-lead-the-2026-uptspt-open-following-the-first-round-20260616030035982","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.445,0.255,0.41,0.405,0.395,0.39,0.385,0.38,0.375,0.365,0.365,0.36,0.345,0.48,0.265,0.345,0.34,0.47,0.465,0.475,0.465,0.44,0.235,0.225,0.22,0.22,0.22,0.45,0.415,0.37,0.37,0.355,0.41,0.4,0.43,0.425]},{"source":"polymarket","id":"2566168","event_id":"601494","slug":"will-lucas-herbert-lead-the-2026-uptspt-open-following-the-first-round-20260616030035991","question":"Will Lucas Herbert lead the 2026 U.S. Open following the first round?","group_item_title":"Lucas Herbert","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.335,0.665],"probability":0.335,"spread":0.65,"active":true,"closed":false,"start_date":"2026-06-16T15:48:26.544325Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.11000000000000001,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":79.9296,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:05:35.305109Z","fetched_at":"2026-06-17T21:14:59.153178Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-lucas-herbert-lead-the-2026-uptspt-open-following-the-first-round-20260616030035991","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.225,0.22,0.22,0.22,0.4,0.225,0.385,0.38,0.38,0.38,0.38,0.37,0.335,0.375,0.215,0.345,0.335,0.335]},{"source":"polymarket","id":"2566118","event_id":"601494","slug":"will-russell-henley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035941","question":"Will Russell Henley lead the 2026 U.S. Open following the first round?","group_item_title":"Russell Henley","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.33,0.67],"probability":0.33,"spread":0.64,"active":true,"closed":false,"start_date":"2026-06-16T15:45:27.544279Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.07500000000000001,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":63.4598,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:05:35.305109Z","fetched_at":"2026-06-17T21:14:59.153178Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-russell-henley-lead-the-2026-uptspt-open-following-the-first-round-20260616030035941","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.255,0.245,0.4,0.39,0.37,0.365,0.48,0.465,0.455,0.455,0.25,0.38,0.48,0.475,0.465,0.255,0.375,0.475,0.26,0.245,0.24,0.235,0.395,0.225,0.22,0.42,0.415,0.385,0.385,0.22,0.34,0.33,0.33]},{"source":"polymarket","id":"2566129","event_id":"601494","slug":"will-justin-thomas-lead-the-2026-uptspt-open-following-the-first-round-20260616030035952","question":"Will Justin Thomas lead the 2026 U.S. Open following the first round?","group_item_title":"Justin Thomas","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.325,0.675],"probability":0.325,"spread":0.63,"active":true,"closed":false,"start_date":"2026-06-16T15:46:14.065848Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.15499999999999997,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":95.2194,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-justin-thomas-lead-the-2026-uptspt-open-following-the-first-round-20260616030035952","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.48,0.265,0.445,0.475,0.26,0.255,0.44,0.435,0.415,0.405,0.405,0.39,0.375,0.275,0.27,0.27,0.27,0.27,0.415,0.425,0.415,0.4,0.43,0.445,0.395,0.425]},{"source":"polymarket","id":"2566126","event_id":"601494","slug":"will-ludvig-aberg-lead-the-2026-uptspt-open-following-the-first-round-20260616030035949","question":"Will Ludvig Åberg lead the 2026 U.S. Open following the first round?","group_item_title":"Ludvig Åberg","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.305,0.695],"probability":0.305,"spread":0.59,"active":true,"closed":false,"start_date":"2026-06-16T15:45:58.736664Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":0.034999999999999976,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":102.8699,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-ludvig-aberg-lead-the-2026-uptspt-open-following-the-first-round-20260616030035949","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.27,0.475,0.465,0.465,0.445,0.47,0.46,0.445,0.44,0.4,0.225,0.465,0.255,0.24,0.23,0.395,0.43,0.41,0.41,0.23,0.415,0.38,0.34,0.335,0.305,0.41,0.225,0.39,0.4]},{"source":"polymarket","id":"2566114","event_id":"601494","slug":"will-scottie-scheffler-lead-the-2026-uptspt-open-following-the-first-round-20260616030035937","question":"Will Scottie Scheffler lead the 2026 U.S. Open following the first round?","group_item_title":"Scottie Scheffler","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.29,0.71],"probability":0.29,"spread":0.3,"active":true,"closed":false,"start_date":"2026-06-16T15:45:13.419384Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.16500000000000004,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":115.0645,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-scottie-scheffler-lead-the-2026-uptspt-open-following-the-first-round-20260616030035937","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.455,0.45,0.46,0.455,0.455,0.46,0.445,0.26,0.425,0.43,0.43,0.43,0.43,0.43,0.435,0.43,0.42,0.33,0.25,0.25,0.25,0.25,0.265,0.25]},{"source":"polymarket","id":"2566151","event_id":"601494","slug":"will-jpttpt-poston-lead-the-2026-uptspt-open-following-the-first-round-20260616030035974","question":"Will J.T. Poston lead the 2026 U.S. Open following the first round?","group_item_title":"J.T. Poston","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.28,0.72],"probability":0.28,"spread":0.54,"active":true,"closed":false,"start_date":"2026-06-16T15:47:23.464398Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":18.0,"volume_24hr":18.0,"prob_24h_change":-0.11499999999999999,"volume_24h_change":18.0,"normalized_vol_24hr":3.103203296661377,"normalized_volume":2.4078524112701416,"liquidity":139.2496,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-jpttpt-poston-lead-the-2026-uptspt-open-following-the-first-round-20260616030035974","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.395,0.365,0.34,0.335,0.33,0.32,0.315,0.31,0.465,0.455,0.45,0.45,0.455,0.45,0.455,0.45,0.45,0.435,0.41,0.415,0.41,0.42,0.41,0.425,0.43]},{"source":"polymarket","id":"2566131","event_id":"601494","slug":"will-si-woo-kim-lead-the-2026-uptspt-open-following-the-first-round-20260616030035954","question":"Will Si Woo Kim lead the 2026 U.S. Open following the first round?","group_item_title":"Si Woo Kim","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.275,0.725],"probability":0.275,"spread":0.53,"active":true,"closed":false,"start_date":"2026-06-16T15:46:19.892863Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":20.0,"volume_24hr":20.0,"prob_24h_change":-0.21499999999999997,"volume_24h_change":20.0,"normalized_vol_24hr":3.317748546600342,"normalized_volume":2.5743234157562256,"liquidity":87.8996,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T23:21:31.667326Z","fetched_at":"2026-06-17T23:20:52.938310Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-si-woo-kim-lead-the-2026-uptspt-open-following-the-first-round-20260616030035954","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.49,0.27,0.27,0.27,0.275,0.27,0.31,0.29,0.17,0.27,0.335,0.335,0.33,0.33,0.315,0.31,0.305,0.3,0.285,0.28]},{"source":"polymarket","id":"2566241","event_id":"601494","slug":"will-someone-else-lead-the-2026-uptspt-open-following-the-first-round-20260616030036044","question":"Will someone else lead the 2026 U.S. Open following the first round?","group_item_title":"Other","description":"This market will resolve according to the player that finishes Round 1 of the main tournament at the 2026 US Open at Shinnecock Hills Golf Club with the lowest cumulative score.\n\nIn the event of a tie, this market will resolve in favor of the player with the lower score on the back 9 of the first round. If a tie still persists, this market will resolve in favor of the player that records more eagles thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records more birdies thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player who records fewer bogeys thus far in the main tournament. If a tie still persists, this market will resolve in favor of the player whose listed last name comes first alphabetically.\n\nIf the 2026 US Open at Shinnecock Hills Golf Club is cancelled, postponed after July 5, 2026, 11:59 PM ET, or if an official Round 1 leader has not been declared within that timeframe, this market will resolve to \"Other\".\n\nThe primary resolution source will be the official results published by the US Open website (https://www.usopen.com/leaderboard).","image":"","icon":"","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":1.0,"active":true,"closed":false,"start_date":"2026-06-16T15:51:36.465474Z","end_date":"2026-06-21T23:59:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-06-17T17:20:08.080583Z","fetched_at":"2026-06-16T16:01:02.416975Z","added_at":"2026-06-16T16:01:02.416975Z","url":"https://polymarket.com/event/2026-uptspt-open-first-round-leader-20260616030025827/will-someone-else-lead-the-2026-uptspt-open-following-the-first-round-20260616030036044","event_title":"2026 U.S. Open: First Round Leader","chart_24h":[0.5,0.5]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/601494","as_of":"2026-06-17T23:33:10.573431Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"2026 U.S. Open: First Round Leader\" — top market at 42% probability across 58 outcomes","source_url":null}}