{"source":"kalshi","id":"KXPGAH2H-USO26R4MBREJSPI","ticker":"KXPGAH2H-USO26R4MBREJSPI","slug":"KXPGAH2H-USO26R4MBREJSPI","title":"4th Round Head-to-Head: Brennan vs Spieth","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-06-21T01:21:00Z","end_date":"2026-07-05T14:24:00Z","closed_time":null,"volume":6188.25,"volume_24hr":6188.25,"volume_24h_change":null,"normalized_vol_24hr":22.477127075195312,"normalized_volume":19.302127838134766,"liquidity":null,"open_interest":6188.25,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"USO26R4MBREJSPI","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Jordan Spieth beats Michael Brennan in the 4th Round","top_outcome_probability":0.6,"top_outcome_prob_24h_change":0.6,"top_outcome_volume_24h_change":2600.87,"updated_at":"2026-06-21T13:21:17.481943Z","fetched_at":"2026-06-21T13:21:17.481943Z","added_at":"2026-06-21T01:31:21.224363Z","url":"https://kalshi.com/markets/kxpgah2h/4th-round-head-to-head-brennan-vs-spieth/kxpgah2h-uso26r4mbrejspi","chart_24h":[0.0,0.0,406.93,406.93,560.2,746.74,1768.61,2311.6099999999997,2319.71,4013.41],"markets":[{"source":"kalshi","id":"KXPGAH2H-USO26R4MBREJSPI-JSPI","event_id":"KXPGAH2H-USO26R4MBREJSPI","slug":"KXPGAH2H-USO26R4MBREJSPI-JSPI","question":"Will Jordan Spieth beat Michael Brennan in the 4th round of the U.S. Open?","group_item_title":"Jordan Spieth beats Michael Brennan in the 4th Round","description":"If Jordan Spieth wins the head-to-head matchup against Michael Brennan in the 4th round of the 2026 U.S. Open, then the market resolves to Yes.\n\n---\n\nIf the head-to-head matchup is for a singular round, only the golfers’ scores from that specific round will be considered for the resolution of the market, regardless of their cumulative tournament score at the end of that round.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the PGA. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.6,0.4],"probability":0.6,"spread":0.04999999999999993,"active":true,"closed":false,"start_date":"2026-06-21T01:21:00Z","end_date":"2026-07-05T14:24:00Z","closed_time":"2026-07-05T14:24:00Z","volume":2600.87,"volume_24hr":2600.87,"prob_24h_change":0.6,"volume_24h_change":2600.87,"normalized_vol_24hr":19.333314895629883,"normalized_volume":18.006587982177734,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-06-21T12:55:40.506278Z","fetched_at":"2026-06-21T12:55:06.735418Z","added_at":"2026-06-21T01:31:21.354919Z","url":"https://kalshi.com/markets/kxpgah2h/4th-round-head-to-head-brennan-vs-spieth/kxpgah2h-uso26r4mbrejspi","event_title":"4th Round Head-to-Head: Brennan vs Spieth","chart_24h":[0.0,0.6,0.6,0.6,0.57,0.57,0.57,0.57,0.57,0.6,0.6]},{"source":"kalshi","id":"KXPGAH2H-USO26R4MBREJSPI-MBRE","event_id":"KXPGAH2H-USO26R4MBREJSPI","slug":"KXPGAH2H-USO26R4MBREJSPI-MBRE","question":"Will Michael Brennan beat Jordan Spieth in the 4th round of the U.S. Open?","group_item_title":"Michael Brennan beats Jordan Spieth in the 4th Round","description":"If Michael Brennan wins the head-to-head matchup against Jordan Spieth in the 4th round of the 2026 U.S. Open, then the market resolves to Yes.\n\n---\n\nIf the head-to-head matchup is for a singular round, only the golfers’ scores from that specific round will be considered for the resolution of the market, regardless of their cumulative tournament score at the end of that round.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the PGA. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.44,0.56],"probability":0.44,"spread":0.04999999999999999,"active":true,"closed":false,"start_date":"2026-06-21T01:21:00Z","end_date":"2026-07-05T14:24:00Z","closed_time":"2026-07-05T14:24:00Z","volume":3587.38,"volume_24hr":3587.38,"prob_24h_change":0.44,"volume_24h_change":3587.38,"normalized_vol_24hr":20.94626808166504,"normalized_volume":19.508853912353516,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-06-21T13:21:49.073218Z","fetched_at":"2026-06-21T13:21:17.614255Z","added_at":"2026-06-21T01:31:21.354919Z","url":"https://kalshi.com/markets/kxpgah2h/4th-round-head-to-head-brennan-vs-spieth/kxpgah2h-uso26r4mbrejspi","event_title":"4th Round Head-to-Head: Brennan vs Spieth","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.44,0.44]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXPGAH2H-USO26R4MBREJSPI","as_of":"2026-06-21T13:33:56.771919Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"4th Round Head-to-Head: Brennan vs Spieth\" — top market at 44% probability across 2 outcomes","source_url":null}}