{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/polymarket/1283882","as_of":"2026-10-31T11:40:02.954292Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina\" — 17 markets; highest \"\" at 100% as of 2026-10-31 UTC. https://pdata.world/events/polymarket/1283882","source_url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31"},"source":"polymarket","id":"1283882","ticker":"wta-falei-yashina-2026-10-31","slug":"wta-falei-yashina-2026-10-31","title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM ET.\n\nThis market will resolve to 'Aliona Falei' if Aliona Falei advances against Ekaterina Yashina.\n\nThis market will resolve to 'Ekaterina Yashina' if Ekaterina Yashina advances against Aliona Falei.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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 WTA Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","active":true,"closed":false,"start_date":"2026-10-30T16:14:32Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"volume":34166.471298000004,"volume_24hr":34166.471298000004,"volume_24h_change":null,"normalized_vol_24hr":40.80825424194336,"normalized_volume":24.745380401611328,"liquidity":107270.48377,"open_interest":17355.127954,"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":"","top_outcome_probability":0.9995,"top_outcome_prob_24h_change":0.07950000000000002,"top_outcome_volume_24h_change":33344.471298000004,"updated_at":"2026-10-31T11:18:11.939211Z","fetched_at":"2026-10-31T11:18:11.939211Z","added_at":"2026-10-30T16:37:35.400539Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31","chart_24h":[0.0,10.0,10.0,10.0,10.0,610.0,610.0,610.0,610.0,610.0,610.0,610.0,610.0,1249.363158,1349.363158,1349.363158,1349.363158,2508.27754,2910.879706,2920.879706,9004.80941,21064.415298],"kind":"live","mutually_exclusive":false,"markets_total":17,"markets":[{"source":"polymarket","id":"6424233","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31","question":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","group_item_title":null,"description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM ET.\n\nThis market will resolve to 'Aliona Falei' if Aliona Falei advances against Ekaterina Yashina.\n\nThis market will resolve to 'Ekaterina Yashina' if Ekaterina Yashina advances against Aliona Falei.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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 WTA Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Aliona Falei","Ekaterina Yashina"],"outcome_prices":[0.9995,0.0005],"probability":0.9995,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:14:32Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":33344.471298000004,"volume_24hr":33344.471298000004,"prob_24h_change":0.07950000000000002,"volume_24h_change":33344.471298000004,"normalized_vol_24hr":45.475547790527344,"normalized_volume":31.822904586791992,"liquidity":69872.09051,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T16:37:35.479521Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.92,0.92,0.9,0.775,0.915,0.92,0.92,0.915,0.955,0.935,0.945,0.945,0.935,0.945,0.9785,0.993]},{"source":"polymarket","id":"6424234","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-completed-match","question":"Chennai Open, Qualification: Completed Match: Aliona Falei vs Ekaterina Yashina","group_item_title":"Completed Match","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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 November 14, 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Yes","No"],"outcome_prices":[0.9995,0.0005],"probability":0.9995,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:14:32Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":600.0,"volume_24hr":600.0,"prob_24h_change":0.49450000000000005,"volume_24h_change":600.0,"normalized_vol_24hr":17.165462493896484,"normalized_volume":12.01205825805664,"liquidity":3392.30494,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T16:37:35.479521Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-completed-match","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.505,0.505,0.53,0.545,0.525,0.53,0.52,0.54]},{"source":"polymarket","id":"6440361","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-game-handicap-home-7pt5","question":"Game Spread: Aliona Falei (-7.5) vs Ekaterina Yashina (+7.5)","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Game Spread +/-7.5","description":"This market will resolve to \"Aliona Falei\" if Aliona Falei wins 7.5 or more total games than Ekaterina Yashina in the upcoming tennis match, scheduled for October 31, 2026 at 5:30AM ET. Otherwise, this market will resolve to \"Ekaterina Yashina\".\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 under the match format published by the tournament organizer for that round. For example, if the match ends at a point where Aliona Falei could no longer have finished 7.5 or more games ahead even by winning every remaining game, this market will resolve to \"Ekaterina Yashina\".\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 WTA Tour. A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Aliona Falei","Ekaterina Yashina"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-31T00:44:11Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":222.0,"volume_24hr":222.0,"prob_24h_change":-0.5045000000000001,"volume_24h_change":222.0,"normalized_vol_24hr":12.258197784423828,"normalized_volume":8.578048706054688,"liquidity":2366.71494,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-31T00:55:22.503564Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-game-handicap-home-7pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.505,0.5,0.495,0.5]},{"source":"polymarket","id":"6425805","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-first-set-winner-Falei-vs-Yashina","question":"Set 1 Winner: Aliona Falei vs Ekaterina Yashina","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 1 Winner","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM ET.\nThis market will resolve to “Aliona Falei” if Aliona Falei wins the first set. It will resolve to “Ekaterina Yashina” if Ekaterina Yashina 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 November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official WTA match statistics.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Aliona Falei","Ekaterina Yashina"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":"2026-10-31T10:43:22.074836Z","result":"Aliona Falei","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T10:51:39.272631Z","fetched_at":"2026-10-31T10:51:39.272631Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-first-set-winner-Falei-vs-Yashina","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.505,0.5,0.5,0.505,0.5,0.5,0.5,0.475,0.48,0.9695,1.0]},{"source":"polymarket","id":"6425811","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-set-2-winner-Falei-vs-Yashina","question":"Set 2 Winner: Aliona Falei vs Ekaterina Yashina","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 2 Winner","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM ET.\nThis market will resolve to “Aliona Falei” if Aliona Falei wins set 2. It will resolve to “Ekaterina Yashina” if Ekaterina Yashina 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 November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official WTA match statistics.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Aliona Falei","Ekaterina Yashina"],"outcome_prices":[0.9995,0.0005],"probability":0.9995,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.49950000000000006,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":4569.515,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-set-2-winner-Falei-vs-Yashina","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.5,0.495,0.505,0.485,0.875,0.87,0.925,0.9345]},{"source":"polymarket","id":"6425840","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-set-2-total-8pt5","question":"Falei vs. Yashina: Set 2 Games O/U 8.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 2 O/U 8.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends 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 November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official WTA results.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.9995,0.0005],"probability":0.9995,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5095000000000001,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2831.96994,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-set-2-total-8pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.5,0.9955]},{"source":"polymarket","id":"6425847","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-set-2-total-9pt5","question":"Falei vs. Yashina: Set 2 Games O/U 9.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 2 O/U 9.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends 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 November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official WTA results.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.9995,0.0005],"probability":0.9995,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5095000000000001,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2836.91994,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-set-2-total-9pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.5,0.995]},{"source":"polymarket","id":"6425877","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-set-handicap-home-1pt5","question":"Set Handicap: Aliona Falei (-1.5) vs Ekaterina Yashina (+1.5)","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set Handicap +/-1.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM ET.\nThis market will resolve to \"Aliona Falei\" if Aliona Falei wins by 2 or more sets than Ekaterina Yashina, based on the final completed score. Otherwise, it will resolve to \"Ekaterina Yashina.\"\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 under the match format published by the tournament organizer for that round. For example, if the deciding set has begun when the match ends, Aliona Falei can no longer win by 2 or more sets, and this market will resolve to \"Ekaterina Yashina.\"\nIf the match is canceled before play begins, or a result has not been determined by November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Aliona Falei","Ekaterina Yashina"],"outcome_prices":[0.9995,0.0005],"probability":0.9995,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5045000000000001,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2590.8618,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-set-handicap-home-1pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.495,0.49,0.5,0.48,0.485,0.905,0.915]},{"source":"polymarket","id":"6425816","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-set-totals-2pt5","question":"Aliona Falei vs. Ekaterina Yashina: Total Sets O/U 2.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Total Sets: O/U 2.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM ET.\nIf the match is played to completion, this market will resolve to \"Over\" if the total number of sets played equals or exceeds 3, and to \"Under\" otherwise. A set counts as played once it has begun, even if it is not played to completion. 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 a player retires, withdraws, is defaulted, or is disqualified, or the match otherwise begins but is not completed, this market will resolve based on any outcome that was already unequivocally determined at the time play stopped. An outcome is considered unequivocally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round. For example, for a line of 2.5, if play stops with the players at one set each, completing the match would have required at least one additional set, resulting in at least 3 sets played, so \"Over\" would resolve as the winning outcome. If neither outcome was already determined at the time play stopped, this market will resolve 50-50.\nIf the match is canceled, or has not been completed by November 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless an outcome was already unequivocally determined as described above.\nThe primary resolution source for this market will be official WTA statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over 2.5","Under 2.5"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.4995,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3272.49434,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-set-totals-2pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.5,0.5,0.5]},{"source":"polymarket","id":"6425852","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-set-2-total-10pt5","question":"Falei vs. Yashina: Set 2 Games O/U 10.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 2 O/U 10.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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 begins but is not completed, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak or played as a match tiebreak. For example, for a line of 9.5, if play stops with set 2 at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nIf the match ends 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 November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will also resolve 50-50.\nResolution will be based on official WTA results.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.4895,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3331.91994,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-set-2-total-10pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.5]},{"source":"polymarket","id":"6425858","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-match-total-21pt5","question":"Falei vs. Yashina: Match O/U 21.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Match O/U 21.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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 November 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome. Likewise, if the published format replaces the final set with a match tiebreak, that tiebreak counts as one (1) game, so for a line of 22.5, if play stops at 6-2, 3-3, the match could have reached at most 22 games and \"Under\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official WTA statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.4895,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3352.41434,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-match-total-21pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.49,0.49,0.495,0.5]},{"source":"polymarket","id":"6425864","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-match-total-22pt5","question":"Falei vs. Yashina: Match O/U 22.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Match O/U 22.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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 November 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome. Likewise, if the published format replaces the final set with a match tiebreak, that tiebreak counts as one (1) game, so for a line of 22.5, if play stops at 6-2, 3-3, the match could have reached at most 22 games and \"Under\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official WTA statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.4895,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3352.41434,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-match-total-22pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.495,0.5]},{"source":"polymarket","id":"6425871","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-match-total-23pt5","question":"Falei vs. Yashina: Match O/U 23.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Match O/U 23.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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 November 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the match played according to the match format published by the tournament organizer for that round, including whether a final set is played as a full set or as a match tiebreak. For example, for a line of 21.5, if play stops at 6-3, 5-6, completing the match would have required at least 2 additional games, resulting in at least 22 games played, so \"Over\" would resolve as the winning outcome. Likewise, if the published format replaces the final set with a match tiebreak, that tiebreak counts as one (1) game, so for a line of 22.5, if play stops at 6-2, 3-3, the match could have reached at most 22 games and \"Under\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official WTA statistics; however, a consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0005,0.9995],"probability":0.0005,"spread":0.001,"active":true,"closed":false,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":null,"result":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.4895,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":3237.52934,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T11:18:12.106884Z","fetched_at":"2026-10-31T11:18:12.106884Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-match-total-23pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.495,0.5]},{"source":"polymarket","id":"6425823","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-first-set-total-8pt5","question":"Falei vs. Yashina: Set 1 Games O/U 8.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 1 O/U 8.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official WTA statistics; however, a consensus of credible reporting may also be used.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":"2026-10-31T10:43:22.100690Z","result":"Under","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.49,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T10:51:39.272631Z","fetched_at":"2026-10-31T10:51:39.272631Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-first-set-total-8pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.5,0.0]},{"source":"polymarket","id":"6425829","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-first-set-total-9pt5","question":"Falei vs. Yashina: Set 1 Games O/U 9.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 1 O/U 9.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official WTA statistics; however, a consensus of credible reporting may also be used.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":"2026-10-31T10:43:22.049093Z","result":"Under","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.49,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T10:51:39.272631Z","fetched_at":"2026-10-31T10:51:39.272631Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-first-set-total-9pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.5,0.0]},{"source":"polymarket","id":"6425834","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-first-set-total-10pt5","question":"Falei vs. Yashina: Set 1 Games O/U 10.5","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set 1 O/U 10.5","description":"This market refers to the tennis match between Aliona Falei and Ekaterina Yashina in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM 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.\" Any first-set tiebreak counts as one (1) game.\nIf the match is postponed or suspended, this market will remain open until the first set has been completed. A postponement alone will not trigger a 50-50 resolution.\nIf the match is permanently abandoned before the first set is completed, or if the first set has not been completed by November 14, 2026, 11:59 PM ET, this market will resolve 50-50, unless the outcome has already been unconditionally determined based on completed play. An outcome is considered unconditionally determined if it would have been guaranteed under every possible completion of the set played according to the match format published by the tournament organizer for that round, including whether the set is decided by a tiebreak. For example, for a line of 9.5, if play stops with the first set at 5-4, completing the set would have required at least 1 additional game, resulting in at least 10 games played, so \"Over\" would resolve as the winning outcome.\nThe primary resolution source for this market will be official WTA statistics; however, a consensus of credible reporting may also be used.\n\nThis market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":"2026-10-31T10:43:22.021508Z","result":"Under","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.49,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T10:51:39.272631Z","fetched_at":"2026-10-31T10:51:39.272631Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-first-set-total-10pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.49,0.5,0.0]},{"source":"polymarket","id":"6425881","event_id":"1283882","slug":"wta-falei-yashina-2026-10-31-set-handicap-away-1pt5","question":"Set Handicap: Ekaterina Yashina (-1.5) vs Aliona Falei (+1.5)","group_item_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina Set Handicap +/-1.5","description":"This market refers to the tennis match between Ekaterina Yashina and Aliona Falei in the Chennai Open, Qualification, originally scheduled for October 31, 2026 at 5:30AM ET.\nThis market will resolve to \"Ekaterina Yashina\" if Ekaterina Yashina wins by 2 or more sets than Aliona Falei, based on the final completed score. Otherwise, it will resolve to \"Aliona Falei.\"\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 under the match format published by the tournament organizer for that round. For example, if the deciding set has begun when the match ends, Ekaterina Yashina can no longer win by 2 or more sets, and this market will resolve to \"Aliona Falei.\"\nIf the match is canceled before play begins, or a result has not been determined by November 14, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official WTA results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Ekaterina Yashina","Aliona Falei"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.009,"active":false,"closed":true,"start_date":"2026-10-30T16:44:18Z","end_date":"2026-11-07T09:30:00Z","closed_time":"2026-10-31T10:43:49.978841Z","result":"Aliona Falei","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.495,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-31T10:51:39.272631Z","fetched_at":"2026-10-31T10:51:39.272631Z","added_at":"2026-10-30T17:03:34.924249Z","url":"https://polymarket.com/event/wta-falei-yashina-2026-10-31/wta-falei-yashina-2026-10-31-set-handicap-away-1pt5","event_title":"Chennai Open, Qualification: Aliona Falei vs Ekaterina Yashina","chart_24h":[0.495,0.46,0.5,0.0]}]}