{"source":"polymarket","id":"893311","ticker":"wta-samsono-preston-2026-08-23","slug":"wta-samsono-preston-2026-08-23","title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM ET.\n\nThis market will resolve to 'Liudmila Samsonova' if Liudmila Samsonova advances against Taylah Preston.\n\nThis market will resolve to 'Taylah Preston' if Taylah Preston advances against Liudmila Samsonova.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 6, 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":"2026-08-23T04:14:11Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":141514.29106299998,"volume_24hr":141514.29106299987,"volume_24h_change":null,"normalized_vol_24hr":48.47394561767578,"normalized_volume":32.02064895629883,"liquidity":299274.3254,"open_interest":95095.459013,"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":0.505,"top_outcome_prob_24h_change":-0.18499999999999994,"top_outcome_volume_24h_change":114189.10001499987,"updated_at":"2026-08-23T18:54:45.111062Z","fetched_at":"2026-08-23T18:54:45.111062Z","added_at":"2026-08-23T04:20:22.728108Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23","chart_24h":[0.0,5.95,5.95,5.95,5.95,179.408514,457.331685,457.331685,457.331685,461.877138,461.877138,466.940428,466.940428,518.381103,47036.996115,68378.81391900001,74834.70504700002,131285.02954199992,140321.54106299987],"markets":[{"source":"polymarket","id":"3792957","event_id":"893311","slug":"wta-samsono-preston-2026-08-23","question":"Philadelphia: Liudmila Samsonova vs Taylah Preston","group_item_title":null,"description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM ET.\n\nThis market will resolve to 'Liudmila Samsonova' if Liudmila Samsonova advances against Taylah Preston.\n\nThis market will resolve to 'Taylah Preston' if Taylah Preston advances against Liudmila Samsonova.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 6, 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":["Liudmila Samsonova","Taylah Preston"],"outcome_prices":[0.505,0.495],"probability":0.505,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-23T04:14:11Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":114189.10001499999,"volume_24hr":114189.10001499987,"prob_24h_change":-0.18499999999999994,"volume_24h_change":114189.10001499987,"normalized_vol_24hr":50.61310958862305,"normalized_volume":39.78995132446289,"liquidity":75003.4568,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:57:46.538881Z","fetched_at":"2026-08-23T18:54:45.231851Z","added_at":"2026-08-23T04:20:22.842825Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.69,0.745,0.765,0.78,0.78,0.785,0.785,0.785,0.505,0.505,0.505,0.505,0.505]},{"source":"polymarket","id":"3793980","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-set-totals-2pt5","question":"Liudmila Samsonova vs. Taylah Preston: Total Sets O/U 2.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Total Sets: O/U 2.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 WTA Challenger 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":[0.505,0.495],"probability":0.505,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-23T04:45:39Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":2334.8431229999997,"volume_24hr":2334.843123,"prob_24h_change":0.0050000000000000044,"volume_24h_change":2334.843123,"normalized_vol_24hr":22.450590133666992,"normalized_volume":17.64973258972168,"liquidity":37341.512,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:54:45.231851Z","fetched_at":"2026-08-23T18:54:45.231851Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-set-totals-2pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.335,0.315,0.495,0.495,0.495,0.495,0.505]},{"source":"polymarket","id":"3793981","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-first-set-winner-Samsonova-vs-Preston","question":"Set 1 Winner: Samsonova vs Preston","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 1 Winner","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM ET.\nThis market will resolve to “Samsonova” if Liudmila Samsonova wins the first set. It will resolve to “Preston” if Taylah Preston 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 6, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official WTA Challenger match statistics.","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":["Samsonova","Preston"],"outcome_prices":[0.505,0.495],"probability":0.505,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-23T04:45:43Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":3315.056464,"volume_24hr":3315.056464,"prob_24h_change":0.0050000000000000044,"volume_24h_change":3315.056464,"normalized_vol_24hr":24.524938583374023,"normalized_volume":19.280502319335938,"liquidity":37132.662,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:54:45.231851Z","fetched_at":"2026-08-23T18:54:45.231851Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-first-set-winner-Samsonova-vs-Preston","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.705,0.725,0.73,0.725,0.505,0.505,0.505,0.505,0.505]},{"source":"polymarket","id":"3793982","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-set-2-total-8pt5","question":"Samsonova vs. Preston: Set 2 Games O/U 8.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 2 O/U 8.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 Challenger 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":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.02,"active":false,"closed":true,"start_date":"2026-08-23T04:45:11Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:00Z","volume":19.607842,"volume_24hr":19.607842,"prob_24h_change":0.0,"volume_24h_change":19.607842,"normalized_vol_24hr":3.4164998531341553,"normalized_volume":2.6859121322631836,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T16:38:23.160621Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-set-2-total-8pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.5,0.5,0.5]},{"source":"polymarket","id":"3793984","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-set-2-winner-Samsonova-vs-Preston","question":"Set 2 Winner: Samsonova vs Preston","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 2 Winner","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM ET.\nThis market will resolve to “Samsonova” if Liudmila Samsonova wins set 2. It will resolve to “Preston” if Taylah Preston 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 6, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official WTA Challenger match statistics.","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":["Samsonova","Preston"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.02,"active":false,"closed":true,"start_date":"2026-08-23T04:45:11Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:00Z","volume":19.607842,"volume_24hr":19.607842,"prob_24h_change":0.0,"volume_24h_change":19.607842,"normalized_vol_24hr":3.4164998531341553,"normalized_volume":2.6859121322631836,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T16:38:23.160621Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-set-2-winner-Samsonova-vs-Preston","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.5,0.5,0.5]},{"source":"polymarket","id":"3793985","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-match-total-21pt5","question":"Samsonova vs. Preston: Match O/U 21.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Match O/U 21.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 WTA Challenger 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":[0.5,0.5],"probability":0.5,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-23T04:45:22Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":1933.1834780000002,"volume_24hr":1933.1834780000008,"prob_24h_change":0.0,"volume_24h_change":1933.1834780000008,"normalized_vol_24hr":21.371540069580078,"normalized_volume":16.801429748535156,"liquidity":36299.496,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:26:49.382521Z","fetched_at":"2026-08-23T18:25:25.595208Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-match-total-21pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.5,0.44,0.495,0.495,0.495,0.495,0.5]},{"source":"polymarket","id":"3793987","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-first-set-total-8pt5","question":"Samsonova vs. Preston: Set 1 Games O/U 8.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 1 O/U 8.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 Challenger 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":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.01,"active":false,"closed":true,"start_date":"2026-08-23T04:45:08Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:00Z","volume":405.753066,"volume_24hr":405.75306600000005,"prob_24h_change":0.0,"volume_24h_change":405.75306600000005,"normalized_vol_24hr":13.471857070922852,"normalized_volume":10.591021537780762,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T16:39:33.377665Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-first-set-total-8pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.57,0.595,0.575,0.62,0.505,0.505,0.5]},{"source":"polymarket","id":"3794002","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-set-handicap-home-1pt5","question":"Set Handicap: Samsonova (-1.5) vs Preston (+1.5)","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set Handicap +/-1.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM ET.\nThis market will resolve to \"Samsonova\" if Liudmila Samsonova wins by 2 or more sets than Taylah Preston, based on the final completed score. Otherwise, it will resolve to \"Preston.\"\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 6, 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 Challenger 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":["Samsonova","Preston"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-23T04:44:48Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":11153.024493,"volume_24hr":11153.024492999999,"prob_24h_change":0.0,"volume_24h_change":11153.024492999999,"normalized_vol_24hr":32.41366958618164,"normalized_volume":25.4822998046875,"liquidity":36425.1328,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:30:26.450148Z","fetched_at":"2026-08-23T18:25:25.595208Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-set-handicap-home-1pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.49,0.495,0.565,0.57,0.495,0.495,0.495,0.505,0.5]},{"source":"polymarket","id":"3794015","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-set-2-total-9pt5","question":"Samsonova vs. Preston: Set 2 Games O/U 9.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 2 O/U 9.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 Challenger 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":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.02,"active":false,"closed":true,"start_date":"2026-08-23T04:45:28Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:09.693180Z","volume":19.607842,"volume_24hr":19.607842,"prob_24h_change":0.0,"volume_24h_change":19.607842,"normalized_vol_24hr":3.4164998531341553,"normalized_volume":2.6859121322631836,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T16:38:23.160621Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-set-2-total-9pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.595,0.5,0.5]},{"source":"polymarket","id":"3794019","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-first-set-total-9pt5","question":"Samsonova vs. Preston: Set 1 Games O/U 9.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 1 O/U 9.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 Challenger 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":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.01,"active":false,"closed":true,"start_date":"2026-08-23T04:45:10Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:09.706587Z","volume":19.607842,"volume_24hr":19.607842,"prob_24h_change":0.0,"volume_24h_change":19.607842,"normalized_vol_24hr":3.4164998531341553,"normalized_volume":2.6859121322631836,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T16:39:33.377665Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-first-set-total-9pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.395,0.4,0.495,0.495,0.5]},{"source":"polymarket","id":"3794038","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-set-2-total-10pt5","question":"Samsonova vs. Preston: Set 2 Games O/U 10.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 2 O/U 10.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 Challenger 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":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.02,"active":false,"closed":true,"start_date":"2026-08-23T04:45:29Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:09.688911Z","volume":19.607842,"volume_24hr":19.607842,"prob_24h_change":0.0,"volume_24h_change":19.607842,"normalized_vol_24hr":3.4164998531341553,"normalized_volume":2.6859121322631836,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T16:38:23.160621Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-set-2-total-10pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.5,0.5,0.5]},{"source":"polymarket","id":"3794040","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-match-total-23pt5","question":"Samsonova vs. Preston: Match O/U 23.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Match O/U 23.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 WTA Challenger 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":[0.5,0.5],"probability":0.5,"spread":0.02,"active":false,"closed":true,"start_date":"2026-08-23T04:45:39Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:09.675689Z","volume":11.326469,"volume_24hr":11.326469,"prob_24h_change":0.0,"volume_24h_change":11.326469,"normalized_vol_24hr":2.3544540405273438,"normalized_volume":1.8509753942489624,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T16:39:33.377665Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-match-total-23pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.5,0.5,0.495,0.5]},{"source":"polymarket","id":"3794043","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-first-set-total-10pt5","question":"Samsonova vs. Preston: Set 1 Games O/U 10.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set 1 O/U 10.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 Challenger 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":["Over","Under"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.02,"active":true,"closed":false,"start_date":"2026-08-23T04:45:11Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":1694.0480030000003,"volume_24hr":1694.0480030000003,"prob_24h_change":0.0,"volume_24h_change":1694.0480030000003,"normalized_vol_24hr":20.632612228393555,"normalized_volume":16.22051429748535,"liquidity":38449.7708,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:57:46.538881Z","fetched_at":"2026-08-23T18:54:45.231851Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-first-set-total-10pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.335,0.565,0.55,0.34,0.335,0.2,0.495,0.495,0.495,0.495,0.5]},{"source":"polymarket","id":"3794026","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-set-handicap-away-1pt5","question":"Set Handicap: Preston (-1.5) vs Samsonova (+1.5)","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Set Handicap +/-1.5","description":"This market refers to the tennis match between Taylah Preston and Liudmila Samsonova in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM ET.\nThis market will resolve to \"Preston\" if Taylah Preston wins by 2 or more sets than Liudmila Samsonova, based on the final completed score. Otherwise, it will resolve to \"Samsonova.\"\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 6, 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 Challenger 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":["Preston","Samsonova"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-23T04:45:27Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":6374.9167419999985,"volume_24hr":6374.916741999999,"prob_24h_change":-0.0050000000000000044,"volume_24h_change":6374.916741999999,"normalized_vol_24hr":28.64006996154785,"normalized_volume":22.515649795532227,"liquidity":37353.972,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:54:45.231851Z","fetched_at":"2026-08-23T18:54:45.231851Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-set-handicap-away-1pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.41,0.5,0.14,0.125,0.495,0.495,0.495,0.495,0.495]},{"source":"polymarket","id":"3792958","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-completed-match","question":"Philadelphia: Completed Match: Liudmila Samsonova vs Taylah Preston","group_item_title":"Completed Match","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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":[0.25,0.75],"probability":0.25,"spread":0.5,"active":true,"closed":false,"start_date":"2026-08-23T04:14:11Z","end_date":"2026-08-30T17:00:00Z","closed_time":null,"volume":5.0,"volume_24hr":5.0,"prob_24h_change":-0.25,"volume_24h_change":5.0,"normalized_vol_24hr":1.1981114149093628,"normalized_volume":0.9419060945510864,"liquidity":170.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T18:26:49.382521Z","fetched_at":"2026-08-23T18:25:25.595208Z","added_at":"2026-08-23T04:20:22.842825Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-completed-match","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.495,0.23,0.04,0.24,0.25]},{"source":"polymarket","id":"3794018","event_id":"893311","slug":"wta-samsono-preston-2026-08-23-match-total-22pt5","question":"Samsonova vs. Preston: Match O/U 22.5","group_item_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston Match O/U 22.5","description":"This market refers to the tennis match between Liudmila Samsonova and Taylah Preston in the Philadelphia, originally scheduled for August 23, 2026 at 1:00PM 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 6, 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 WTA Challenger 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":[0.5,0.5],"probability":0.5,"spread":0.01,"active":false,"closed":true,"start_date":"2026-08-23T04:45:05Z","end_date":"2026-08-30T17:00:00Z","closed_time":"2026-08-23T16:18:00Z","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":"2026-08-23T16:39:33.377665Z","fetched_at":"2026-08-23T16:38:23.160621Z","added_at":"2026-08-23T04:52:40.063388Z","url":"https://polymarket.com/event/wta-samsono-preston-2026-08-23/wta-samsono-preston-2026-08-23-match-total-22pt5","event_title":"Philadelphia: Liudmila Samsonova vs Taylah Preston","chart_24h":[0.5,0.5,0.495,0.5,0.495,0.5]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/893311","as_of":"2026-08-23T19:02:17.195519Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"Philadelphia: Liudmila Samsonova vs Taylah Preston\" — top market at 50% probability across 16 outcomes","source_url":null}}