{"source":"polymarket","id":"898617","ticker":"atp-ofner-nishiko-2026-08-25","slug":"atp-ofner-nishiko-2026-08-25","title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\n\nThis market will resolve to 'Sebastian Ofner' if Sebastian Ofner advances against Kei Nishikori.\n\nThis market will resolve to 'Kei Nishikori' if Kei Nishikori advances against Sebastian Ofner.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","active":true,"closed":false,"start_date":"2026-08-23T23:06:39Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":9548.926693000001,"volume_24hr":9548.926693,"volume_24h_change":null,"normalized_vol_24hr":28.941736221313477,"normalized_volume":19.118064880371094,"liquidity":25190.1406,"open_interest":9341.750401,"categories":["Sports"],"tags":[{"id":"864","slug":"tennis","label":"Tennis"},{"id":"1","slug":"sports","label":"Sports"},{"id":"100639","slug":"games","label":"Games"}],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set Handicap +/-1.5","top_outcome_probability":0.61,"top_outcome_prob_24h_change":0.10999999999999999,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-08-24T13:17:19.408894Z","fetched_at":"2026-08-24T13:17:19.408894Z","added_at":"2026-08-23T23:14:34.029605Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25","chart_24h":[0.0,0.0,0.0,0.0,0.0,13.0,400.175,400.175,400.175,562.739101,564.326401,667.501003,8878.113066,8901.396082,9534.926693,9548.926693],"markets":[{"source":"polymarket","id":"3825712","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25","question":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","group_item_title":null,"description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\n\nThis market will resolve to 'Sebastian Ofner' if Sebastian Ofner advances against Kei Nishikori.\n\nThis market will resolve to 'Kei Nishikori' if Kei Nishikori advances against Sebastian Ofner.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50.\n\nIf the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.\n\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\n\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Sebastian Ofner","Kei Nishikori"],"outcome_prices":[0.505,0.495],"probability":0.505,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-23T23:06:39Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":9548.926693000001,"volume_24hr":9548.926693,"prob_24h_change":0.15500000000000003,"volume_24h_change":9548.926693,"normalized_vol_24hr":31.342620849609375,"normalized_volume":24.64028549194336,"liquidity":12020.3453,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T13:17:19.685877Z","fetched_at":"2026-08-24T13:17:19.685877Z","added_at":"2026-08-23T23:14:34.167195Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.35,0.43,0.44,0.435,0.385,0.385,0.375,0.38,0.475,0.475,0.485,0.495,0.505]},{"source":"polymarket","id":"3826194","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-set-handicap-home-1pt5","question":"Set Handicap: Ofner (-1.5) vs Nishikori (+1.5)","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set Handicap +/-1.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Ofner\" if Sebastian Ofner wins by 2 or more sets than Kei Nishikori, based on the final completed score. Otherwise, it will resolve to \"Nishikori.\"\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Ofner","Nishikori"],"outcome_prices":[0.61,0.39],"probability":0.61,"spread":0.74,"active":true,"closed":false,"start_date":"2026-08-23T23:44:47Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.10999999999999999,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":671.38,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T13:18:26.439860Z","fetched_at":"2026-08-24T13:17:19.685877Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-set-handicap-home-1pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.585,0.59,0.605]},{"source":"polymarket","id":"3826216","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-set-handicap-away-1pt5","question":"Set Handicap: Nishikori (-1.5) vs Ofner (+1.5)","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set Handicap +/-1.5","description":"This market refers to the tennis match between Kei Nishikori and Sebastian Ofner in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Nishikori\" if Kei Nishikori wins by 2 or more sets than Sebastian Ofner, based on the final completed score. Otherwise, it will resolve to \"Ofner.\"\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins, or a result has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Nishikori","Ofner"],"outcome_prices":[0.61,0.39],"probability":0.61,"spread":0.74,"active":true,"closed":false,"start_date":"2026-08-23T23:44:50Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.10999999999999999,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":764.25,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T12:51:38.819703Z","fetched_at":"2026-08-24T12:50:29.513279Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-set-handicap-away-1pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.605,0.61]},{"source":"polymarket","id":"3826198","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-match-total-22pt5","question":"Ofner vs. Nishikori: Match O/U 22.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Match O/U 22.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 23. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.\nThe primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.52,0.48],"probability":0.52,"spread":0.08,"active":true,"closed":false,"start_date":"2026-08-23T23:44:49Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.020000000000000018,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":391.7803,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T11:30:23.265676Z","fetched_at":"2026-08-24T11:28:52.716595Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-match-total-22pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.525,0.52]},{"source":"polymarket","id":"3826177","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-set-2-winner-Ofner-vs-Nishikori","question":"Set 2 Winner: Ofner vs Nishikori","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 2 Winner","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to “Ofner” if Sebastian Ofner wins set 2. It will resolve to “Nishikori” if Kei Nishikori wins set 2.\nIf the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.\nIf the match is canceled (not played at all) or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official Grand Slam match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Ofner","Nishikori"],"outcome_prices":[0.51,0.49],"probability":0.51,"spread":0.08,"active":true,"closed":false,"start_date":"2026-08-23T23:44:57Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.010000000000000009,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":4517.43,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T13:18:26.439860Z","fetched_at":"2026-08-24T13:17:19.685877Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-set-2-winner-Ofner-vs-Nishikori","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.47,0.485,0.505]},{"source":"polymarket","id":"3825713","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-completed-match","question":"US Open, Qualification ATP: Completed Match: Sebastian Ofner vs Kei Nishikori","group_item_title":"Completed Match","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to \"Yes\" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to \"No.\" If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve \"No.\" If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to \"No.\" The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-23T23:06:39Z","end_date":"2026-09-01T15:00:00Z","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":10.34,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:14:34.167195Z","added_at":"2026-08-23T23:14:34.167195Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-completed-match","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3826160","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-first-set-winner-Ofner-vs-Nishikori","question":"Set 1 Winner: Ofner vs Nishikori","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 1 Winner","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to “Ofner” if Sebastian Ofner wins the first set. It will resolve to “Nishikori” if Kei Nishikori wins the first set.\nIf the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.\nIf the match is canceled (not played at all) or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official Grand Slam match statistics.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Ofner","Nishikori"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.08,"active":true,"closed":false,"start_date":"2026-08-23T23:44:47Z","end_date":"2026-09-01T15:00:00Z","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":4486.345,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T13:18:26.439860Z","fetched_at":"2026-08-24T13:17:19.685877Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-first-set-winner-Ofner-vs-Nishikori","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.495,0.465,0.485,0.495]},{"source":"polymarket","id":"3826174","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-match-total-21pt5","question":"Ofner vs. Nishikori: Match O/U 21.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Match O/U 21.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 22. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.\nThe primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-23T23:44:49Z","end_date":"2026-09-01T15:00:00Z","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":0.2,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T11:58:18.845022Z","fetched_at":"2026-08-24T11:57:28.813206Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-match-total-21pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.505,0.5]},{"source":"polymarket","id":"3826175","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-set-totals-2pt5","question":"Sebastian Ofner vs. Kei Nishikori: Total Sets O/U 2.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Total Sets: O/U 2.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to \"Under.\" A super tie breaker is considered as one (1) set.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.\nThe primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over 2.5","Under 2.5"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.96,"active":true,"closed":false,"start_date":"2026-08-23T23:44:54Z","end_date":"2026-09-01T15:00:00Z","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":40.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T00:55:53.550750Z","fetched_at":"2026-08-23T23:46:21.995867Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-set-totals-2pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3826222","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-match-total-23pt5","question":"Ofner vs. Nishikori: Match O/U 23.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Match O/U 23.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed equals or exceeds 24. Otherwise, it will resolve to \"Under.\" All tiebreaks, including any Champions/Super tiebreak, count as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the match has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before completion, or if the match has not been completed by September 8, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play.\nThe primary resolution source for this market will be official Grand Slam statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-23T23:44:52Z","end_date":"2026-09-01T15:00:00Z","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":0.2,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T08:18:47.216385Z","fetched_at":"2026-08-24T08:18:02.325923Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-match-total-23pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.495,0.5]},{"source":"polymarket","id":"3831077","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-game-handicap-away-1pt5","question":"Game Spread: Nishikori (-1.5) vs Ofner (+1.5)","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Game Spread +/-1.5","description":"This market will resolve to \"Nishikori\" if Kei Nishikori wins 1.5 or more total games than Sebastian Ofner in the upcoming tennis match, scheduled for August 25, 2026 at 11:00AM ET. Otherwise, this market will resolve to \"Ofner\".\nGames won will be counted across all sets played in the match. A set decided by a tiebreak will count as one game for the winner of that tiebreak, and a match tiebreak played in place of a final set will also count as one game for its winner.\nIf the match is canceled (not played at all), or is delayed beyond 14 days from the scheduled date without completion at 11:59 PM ET, this market will resolve 50-50.\nIf the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play.\nIf the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.\nThe primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Nishikori","Ofner"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-24T04:44:21Z","end_date":"2026-09-01T15:00:00Z","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":0.1,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T05:42:27.056178Z","fetched_at":"2026-08-24T05:13:19.783316Z","added_at":"2026-08-24T04:48:48.892180Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-game-handicap-away-1pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3826170","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-first-set-total-8pt5","question":"Ofner vs. Nishikori: Set 1 Games O/U 8.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 1 O/U 8.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.95,"active":true,"closed":false,"start_date":"2026-08-23T23:44:45Z","end_date":"2026-09-01T15:00:00Z","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":10.6,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T10:58:31.183563Z","fetched_at":"2026-08-24T10:58:31.183563Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-first-set-total-8pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495]},{"source":"polymarket","id":"3826183","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-set-2-total-8pt5","question":"Ofner vs. Nishikori: Set 2 Games O/U 8.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 2 O/U 8.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.95,"active":true,"closed":false,"start_date":"2026-08-23T23:44:55Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":10.7,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T11:57:28.813206Z","fetched_at":"2026-08-24T11:57:28.813206Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-set-2-total-8pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.495,0.495,0.495,0.495,0.495,0.495,0.5,0.495,0.495,0.495,0.495]},{"source":"polymarket","id":"3826204","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-first-set-total-9pt5","question":"Ofner vs. Nishikori: Set 1 Games O/U 9.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 1 O/U 9.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.95,"active":true,"closed":false,"start_date":"2026-08-23T23:44:51Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.0050000000000000044,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":10.6,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T10:58:31.183563Z","fetched_at":"2026-08-24T10:58:31.183563Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-first-set-total-9pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.49,0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495]},{"source":"polymarket","id":"3826215","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-set-2-total-9pt5","question":"Ofner vs. Nishikori: Set 2 Games O/U 9.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 2 O/U 9.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.95,"active":true,"closed":false,"start_date":"2026-08-23T23:44:53Z","end_date":"2026-09-01T15:00:00Z","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":10.7,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T10:58:31.183563Z","fetched_at":"2026-08-24T10:58:31.183563Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-set-2-total-9pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495]},{"source":"polymarket","id":"3826229","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-first-set-total-10pt5","question":"Ofner vs. Nishikori: Set 1 Games O/U 10.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 1 O/U 10.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to \"Under.\"\nAny first-set tiebreak counts as one (1) game toward the total.\nIf the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.95,"active":true,"closed":false,"start_date":"2026-08-23T23:44:45Z","end_date":"2026-09-01T15:00:00Z","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":10.6,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T10:58:31.183563Z","fetched_at":"2026-08-24T10:58:31.183563Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-first-set-total-10pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495]},{"source":"polymarket","id":"3826237","event_id":"898617","slug":"atp-ofner-nishiko-2026-08-25-set-2-total-10pt5","question":"Ofner vs. Nishikori: Set 2 Games O/U 10.5","group_item_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori Set 2 O/U 10.5","description":"This market refers to the tennis match between Sebastian Ofner and Kei Nishikori in the US Open, Qualification ATP, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Over\" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to \"Under.\"\nAny tiebreak in set 2 counts as one (1) game toward the total.\nIf set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or play has not begun by September 8, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official Grand Slam results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/atp-tour-b4390c4fb8.jpg","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.95,"active":true,"closed":false,"start_date":"2026-08-23T23:44:53Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":10.7,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T10:58:31.183563Z","fetched_at":"2026-08-24T10:58:31.183563Z","added_at":"2026-08-23T23:46:21.995867Z","url":"https://polymarket.com/event/atp-ofner-nishiko-2026-08-25/atp-ofner-nishiko-2026-08-25-set-2-total-10pt5","event_title":"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori","chart_24h":[0.5,0.5,0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495,0.495]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/898617","as_of":"2026-08-24T13:29:04.129836Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"US Open, Qualification ATP: Sebastian Ofner vs Kei Nishikori\" — top market at 50% probability across 17 outcomes","source_url":null}}