{"source":"polymarket","id":"898358","ticker":"wta-rus-kostovi-2026-08-25","slug":"wta-rus-kostovi-2026-08-25","title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET.\n\nThis market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Teodora Kostovic.\n\nThis market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Arantxa Rus.\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 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":"2026-08-23T22:14:52Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":3366.97136,"volume_24hr":3366.97136,"volume_24h_change":null,"normalized_vol_24hr":27.9891300201416,"normalized_volume":15.016655921936035,"liquidity":29453.7734,"open_interest":3298.933055,"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 WTA: Arantxa Rus vs Teodora Kostovic Match O/U 22.5","top_outcome_probability":0.505,"top_outcome_prob_24h_change":0.010000000000000009,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-08-24T17:28:18.570341Z","fetched_at":"2026-08-24T17:28:18.570341Z","added_at":"2026-08-23T22:15:58.456635Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,70.764704,70.764704,70.764704,3273.733825,3294.733825,3297.95963,3305.76963,3312.912486,3320.15886,3320.15886],"markets":[{"source":"polymarket","id":"3823719","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25","question":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","group_item_title":null,"description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET.\n\nThis market will resolve to 'Arantxa Rus' if Arantxa Rus advances against Teodora Kostovic.\n\nThis market will resolve to 'Teodora Kostovic' if Teodora Kostovic advances against Arantxa Rus.\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 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":["Arantxa Rus","Teodora Kostovic"],"outcome_prices":[0.315,0.685],"probability":0.315,"spread":0.01,"active":true,"closed":false,"start_date":"2026-08-23T22:14:53Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":3366.97136,"volume_24hr":3366.97136,"prob_24h_change":-0.185,"volume_24h_change":3366.97136,"normalized_vol_24hr":28.93309783935547,"normalized_volume":19.354467391967773,"liquidity":18896.3994,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T17:32:53.461307Z","fetched_at":"2026-08-24T17:28:18.791569Z","added_at":"2026-08-23T22:15:58.542958Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.505,0.51,0.345,0.33,0.335,0.34,0.325,0.305,0.295,0.295,0.31,0.315,0.315,0.315]},{"source":"polymarket","id":"3824379","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-match-total-22pt5","question":"Rus vs. Kostovic: Match O/U 22.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 22.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.505,0.495],"probability":0.505,"spread":0.97,"active":true,"closed":false,"start_date":"2026-08-23T22:47:16Z","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":5.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T15:37:17.848989Z","fetched_at":"2026-08-24T15:35:31.238348Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-match-total-22pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.495,0.5,0.505]},{"source":"polymarket","id":"3823720","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-completed-match","question":"US Open, Qualification WTA: Completed Match: Arantxa Rus vs Teodora Kostovic","group_item_title":"Completed Match","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Yes","No"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:14:52Z","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":10.44,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T22:51:51.133263Z","fetched_at":"2026-08-23T22:48:37.071641Z","added_at":"2026-08-23T22:15:58.542958Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-completed-match","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3824348","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-set-2-total-8pt5","question":"Rus vs. Kostovic: Set 2 Games O/U 8.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 8.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/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":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:47:23Z","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":0.2,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:46:14.510296Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-set-2-total-8pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.495,0.5]},{"source":"polymarket","id":"3824353","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-set-totals-2pt5","question":"Arantxa Rus vs. Teodora Kostovic: Total Sets O/U 2.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Total Sets: O/U 2.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/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":[0.5,0.505],"probability":0.5,"spread":0.97,"active":true,"closed":false,"start_date":"2026-08-23T22:47:17Z","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":4.9,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T15:35:31.238348Z","fetched_at":"2026-08-24T15:35:31.238348Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-set-totals-2pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5,0.5]},{"source":"polymarket","id":"3824357","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-game-handicap-away-4pt5","question":"Game Spread: Kostovic (-4.5) vs Rus (+4.5)","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Game Spread +/-4.5","description":"This market will resolve to \"Kostovic\" if Teodora Kostovic wins 4.5 or more total games than Arantxa Rus in the upcoming tennis match, scheduled for August 25, 2026 at 11:00AM ET. Otherwise, this market will resolve to \"Rus\".\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 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":["Kostovic","Rus"],"outcome_prices":[0.5,0.5],"probability":0.5,"spread":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:47:16Z","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":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:46:14.510296Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-game-handicap-away-4pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3824359","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-first-set-total-8pt5","question":"Rus vs. Kostovic: Set 1 Games O/U 8.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 8.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/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":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:47:17Z","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":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:46:14.510296Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-first-set-total-8pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3824381","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-first-set-total-9pt5","question":"Rus vs. Kostovic: Set 1 Games O/U 9.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 9.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/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":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:47:26Z","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":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:46:14.510296Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-first-set-total-9pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3824384","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-set-2-total-9pt5","question":"Rus vs. Kostovic: Set 2 Games O/U 9.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 9.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/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":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:47:20Z","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":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:14:31.148833Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-set-2-total-9pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3824401","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-first-set-total-10pt5","question":"Rus vs. Kostovic: Set 1 Games O/U 10.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 O/U 10.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/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":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:47:35Z","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":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:46:14.510296Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-first-set-total-10pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5]},{"source":"polymarket","id":"3824403","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-set-2-total-10pt5","question":"Rus vs. Kostovic: Set 2 Games O/U 10.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 O/U 10.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/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":0.98,"active":true,"closed":false,"start_date":"2026-08-23T22:47:17Z","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":0.2,"categories":["Sports"],"countries":[],"updated_at":"2026-08-23T23:50:29.297651Z","fetched_at":"2026-08-23T23:46:14.510296Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-set-2-total-10pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.495,0.5]},{"source":"polymarket","id":"3824400","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-match-total-23pt5","question":"Rus vs. Kostovic: Match O/U 23.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 23.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.495,0.505],"probability":0.495,"spread":0.97,"active":true,"closed":false,"start_date":"2026-08-23T22:47:15Z","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":5.0,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T17:30:17.934815Z","fetched_at":"2026-08-24T17:28:18.791569Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-match-total-23pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5,0.5]},{"source":"polymarket","id":"3824361","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-set-handicap-away-1pt5","question":"Set Handicap: Kostovic (-1.5) vs Rus (+1.5)","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set Handicap +/-1.5","description":"This market refers to the tennis match between Teodora Kostovic and Arantxa Rus in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to \"Kostovic\" if Teodora Kostovic wins by 2 or more sets than Arantxa Rus, based on the final completed score. Otherwise, it will resolve to \"Rus.\"\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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Kostovic","Rus"],"outcome_prices":[0.48,0.52],"probability":0.48,"spread":0.04,"active":true,"closed":false,"start_date":"2026-08-23T22:47:26Z","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":3089.97,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T16:05:08.186433Z","fetched_at":"2026-08-24T16:03:50.211458Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-set-handicap-away-1pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5,0.43,0.435,0.44,0.445,0.45,0.48]},{"source":"polymarket","id":"3824346","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-match-total-21pt5","question":"Rus vs. Kostovic: Match O/U 21.5","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Match O/U 21.5","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Over","Under"],"outcome_prices":[0.42,0.58],"probability":0.42,"spread":0.18,"active":true,"closed":false,"start_date":"2026-08-23T22:47:17Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.08000000000000002,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2251.32,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T17:30:17.934815Z","fetched_at":"2026-08-24T17:28:18.791569Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-match-total-21pt5","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5,0.545,0.545,0.55,0.545,0.515,0.5,0.54,0.405]},{"source":"polymarket","id":"3824345","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-first-set-winner-Rus-vs-Kostovic","question":"Set 1 Winner: Rus vs Kostovic","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 1 Winner","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to “Rus” if Arantxa Rus wins the first set. It will resolve to “Kostovic” if Teodora Kostovic 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Rus","Kostovic"],"outcome_prices":[0.385,0.615],"probability":0.385,"spread":0.09,"active":true,"closed":false,"start_date":"2026-08-23T22:47:16Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.11499999999999999,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2380.935,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T17:30:17.934815Z","fetched_at":"2026-08-24T17:28:18.791569Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-first-set-winner-Rus-vs-Kostovic","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5,0.655,0.66,0.66,0.665,0.41,0.61,0.655,0.365,0.36]},{"source":"polymarket","id":"3824347","event_id":"898358","slug":"wta-rus-kostovi-2026-08-25-set-2-winner-Rus-vs-Kostovic","question":"Set 2 Winner: Rus vs Kostovic","group_item_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic Set 2 Winner","description":"This market refers to the tennis match between Arantxa Rus and Teodora Kostovic in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET.\nThis market will resolve to “Rus” if Arantxa Rus wins set 2. It will resolve to “Kostovic” if Teodora Kostovic 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/wta-logo-41f331bdf1.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/wta-logo-41f331bdf1.png","outcomes":["Rus","Kostovic"],"outcome_prices":[0.37,0.63],"probability":0.37,"spread":0.1,"active":true,"closed":false,"start_date":"2026-08-23T22:47:31Z","end_date":"2026-09-01T15:00:00Z","closed_time":null,"volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.13,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":2304.46,"categories":["Sports"],"countries":[],"updated_at":"2026-08-24T17:30:17.934815Z","fetched_at":"2026-08-24T17:28:18.791569Z","added_at":"2026-08-23T22:48:37.071641Z","url":"https://polymarket.com/event/wta-rus-kostovi-2026-08-25/wta-rus-kostovi-2026-08-25-set-2-winner-Rus-vs-Kostovic","event_title":"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic","chart_24h":[0.5,0.5,0.655,0.65,0.65,0.365]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/polymarket/898358","as_of":"2026-08-24T17:35:18.425277Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"US Open, Qualification WTA: Arantxa Rus vs Teodora Kostovic\" — top market at 32% probability across 16 outcomes","source_url":null}}