{"_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/1155723","as_of":"2026-10-09T14:25:10.975052Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher\" — closed 2026-10-09; final leader \"\" at 100%. https://pdata.world/events/polymarket/1155723","source_url":"https://polymarket.com/event/itf-thamm1-vissch1-2026-10-09"},"source":"polymarket","id":"1155723","ticker":"itf-thamm1-vissch1-2026-10-09","slug":"itf-thamm1-vissch1-2026-10-09","title":"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher","description":"This market refers to the tennis match between Mariella Thamm and Stephanie Judith Visscher in the W35 Villeneuve d'Ascq, Main Draw, originally scheduled for October 9, 2026 at 4:30AM ET.\n\nThis market will resolve to 'Mariella Thamm' if Mariella Thamm advances against Stephanie Judith Visscher.\n\nThis market will resolve to 'Stephanie Judith Visscher' if Stephanie Judith Visscher advances against Mariella Thamm.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","active":false,"closed":true,"start_date":"2026-10-08T20:14:20Z","end_date":"2026-10-16T08:30:00Z","closed_time":"2026-10-09T13:14:27Z","volume":26319.136802999998,"volume_24hr":26319.136802999998,"volume_24h_change":null,"normalized_vol_24hr":42.40726089477539,"normalized_volume":23.537311553955078,"liquidity":null,"open_interest":8945.015691,"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":1.0,"top_outcome_prob_24h_change":0.24,"top_outcome_volume_24h_change":26319.136802999998,"updated_at":"2026-10-09T13:37:26.731375Z","fetched_at":"2026-10-09T13:37:26.731375Z","added_at":"2026-10-08T20:38:56.587625Z","url":"https://polymarket.com/event/itf-thamm1-vissch1-2026-10-09","chart_24h":[0.0,12.4125,12.4125,12.4125,12.4125,12.4125,12.4125,12.4125,12.4125,12.4125,12.4125,20.7425,20.7425,20.7425,20.7425,20.7425,298.05237,826.39212,15860.188183,26319.136802999998,26319.136802999998,26319.136802999998,26319.136802999998],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"5442208","event_id":"1155723","slug":"itf-thamm1-vissch1-2026-10-09","question":"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher","group_item_title":null,"description":"This market refers to the tennis match between Mariella Thamm and Stephanie Judith Visscher in the W35 Villeneuve d'Ascq, Main Draw, originally scheduled for October 9, 2026 at 4:30AM ET.\n\nThis market will resolve to 'Mariella Thamm' if Mariella Thamm advances against Stephanie Judith Visscher.\n\nThis market will resolve to 'Stephanie Judith Visscher' if Stephanie Judith Visscher advances against Mariella Thamm.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 23, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Mariella Thamm","Stephanie Judith Visscher"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-08T20:14:20Z","end_date":"2026-10-16T08:30:00Z","closed_time":"2026-10-09T13:14:27Z","result":"Mariella Thamm","volume":26319.136802999994,"volume_24hr":26319.136802999998,"prob_24h_change":0.24,"volume_24h_change":26319.136802999998,"normalized_vol_24hr":45.775142669677734,"normalized_volume":30.39350128173828,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-09T13:37:26.811846Z","fetched_at":"2026-10-09T13:37:26.811846Z","added_at":"2026-10-08T20:38:56.625405Z","url":"https://polymarket.com/event/itf-thamm1-vissch1-2026-10-09/itf-thamm1-vissch1-2026-10-09","event_title":"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher","chart_24h":[0.76,0.775,0.775,0.76,0.775,0.865,0.81,0.855,0.9995,1.0]},{"source":"polymarket","id":"5442442","event_id":"1155723","slug":"itf-thamm1-vissch1-2026-10-09-set-handicap-home-1pt5","question":"Set Handicap: Mariella Thamm (-1.5) vs Stephanie Judith Visscher (+1.5)","group_item_title":"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher Set Handicap +/-1.5","description":"This market refers to the tennis match between Mariella Thamm and Stephanie Judith Visscher in the W35 Villeneuve d'Ascq, originally scheduled for October 9, 2026 at 4:30AM ET.\nThis market will resolve to \"Mariella Thamm\" if Mariella Thamm wins by 2 or more sets than Stephanie Judith Visscher, based on the final completed score. Otherwise, it will resolve to \"Stephanie Judith Visscher.\"\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, Mariella Thamm can no longer win by 2 or more sets, and this market will resolve to \"Stephanie Judith Visscher.\"\nIf the match is canceled before play begins, or a result has not been determined by October 23, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ITF results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Mariella Thamm","Stephanie Judith Visscher"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-08T20:44:15Z","end_date":"2026-10-16T08:30:00Z","closed_time":"2026-10-09T13:14:27Z","result":"Mariella Thamm","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.43999999999999995,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-09T13:37:26.811846Z","fetched_at":"2026-10-09T13:37:26.811846Z","added_at":"2026-10-08T21:03:13.358588Z","url":"https://polymarket.com/event/itf-thamm1-vissch1-2026-10-09/itf-thamm1-vissch1-2026-10-09-set-handicap-home-1pt5","event_title":"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher","chart_24h":[0.56,0.565,0.565,0.565,0.57,0.575,0.57,0.57,0.55,0.305,0.5,0.9995,1.0]},{"source":"polymarket","id":"5442445","event_id":"1155723","slug":"itf-thamm1-vissch1-2026-10-09-set-handicap-away-1pt5","question":"Set Handicap: Stephanie Judith Visscher (-1.5) vs Mariella Thamm (+1.5)","group_item_title":"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher Set Handicap +/-1.5","description":"This market refers to the tennis match between Stephanie Judith Visscher and Mariella Thamm in the W35 Villeneuve d'Ascq, originally scheduled for October 9, 2026 at 4:30AM ET.\nThis market will resolve to \"Stephanie Judith Visscher\" if Stephanie Judith Visscher wins by 2 or more sets than Mariella Thamm, based on the final completed score. Otherwise, it will resolve to \"Mariella Thamm.\"\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, Stephanie Judith Visscher can no longer win by 2 or more sets, and this market will resolve to \"Mariella Thamm.\"\nIf the match is canceled before play begins, or a result has not been determined by October 23, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50.\nResolution will be based on official ITF results.","image":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","icon":"https://polymarket-upload.s3.us-east-2.amazonaws.com/itf-5206dc6c54.png","outcomes":["Stephanie Judith Visscher","Mariella Thamm"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-08T20:44:12Z","end_date":"2026-10-16T08:30:00Z","closed_time":"2026-10-09T11:57:27.896840Z","result":"Mariella Thamm","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.135,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-09T11:59:57.136546Z","fetched_at":"2026-10-09T11:59:57.136546Z","added_at":"2026-10-08T21:03:13.358588Z","url":"https://polymarket.com/event/itf-thamm1-vissch1-2026-10-09/itf-thamm1-vissch1-2026-10-09-set-handicap-away-1pt5","event_title":"W35 Villeneuve d'Ascq: Mariella Thamm vs Stephanie Judith Visscher","chart_24h":[0.135,0.13,0.135,0.135,0.135,0.13,0.165,0.545,0.5,0.005,0.0005,0.0]}]}