{"_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/1275254","as_of":"2026-10-29T20:44:45.964217Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"W75 Toronto: Madison Sieg vs Sara Saito\" — 3 markets; highest \"\" at 55% as of 2026-10-29 UTC. https://pdata.world/events/polymarket/1275254","source_url":"https://polymarket.com/event/itf-sieg1-saito1-2026-10-29"},"source":"polymarket","id":"1275254","ticker":"itf-sieg1-saito1-2026-10-29","slug":"itf-sieg1-saito1-2026-10-29","title":"W75 Toronto: Madison Sieg vs Sara Saito","description":"This market refers to the tennis match between Madison Sieg and Sara Saito in the W75 Toronto, Main Draw, originally scheduled for October 29, 2026 at 1:00PM ET.\n\nThis market will resolve to 'Madison Sieg' if Madison Sieg advances against Sara Saito.\n\nThis market will resolve to 'Sara Saito' if Sara Saito advances against Madison Sieg.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 12, 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":true,"closed":false,"start_date":"2026-10-29T02:14:13Z","end_date":"2026-11-05T17:00:00Z","closed_time":null,"volume":7080.643193,"volume_24hr":7080.643193000001,"volume_24h_change":null,"normalized_vol_24hr":30.83626365661621,"normalized_volume":17.847007751464844,"liquidity":556.0,"open_interest":5273.549174000001,"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":0.545,"top_outcome_prob_24h_change":0.11500000000000005,"top_outcome_volume_24h_change":7030.643193000001,"updated_at":"2026-10-29T20:39:42.321446Z","fetched_at":"2026-10-29T20:39:42.321446Z","added_at":"2026-10-29T02:35:31.181395Z","url":"https://polymarket.com/event/itf-sieg1-saito1-2026-10-29","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,19.759999999999998,19.759999999999998,19.759999999999998,19.759999999999998,1289.82654,1895.25654,5535.798123,7069.393193,7069.393193,7080.643193],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"6376499","event_id":"1275254","slug":"itf-sieg1-saito1-2026-10-29","question":"W75 Toronto: Madison Sieg vs Sara Saito","group_item_title":null,"description":"This market refers to the tennis match between Madison Sieg and Sara Saito in the W75 Toronto, Main Draw, originally scheduled for October 29, 2026 at 1:00PM ET.\n\nThis market will resolve to 'Madison Sieg' if Madison Sieg advances against Sara Saito.\n\nThis market will resolve to 'Sara Saito' if Sara Saito advances against Madison Sieg.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 12, 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":["Madison Sieg","Sara Saito"],"outcome_prices":[0.545,0.455],"probability":0.545,"spread":0.91,"active":true,"closed":false,"start_date":"2026-10-29T02:14:13Z","end_date":"2026-11-05T17:00:00Z","closed_time":null,"result":null,"volume":7030.643193,"volume_24hr":7030.643193000001,"prob_24h_change":0.11500000000000005,"volume_24h_change":7030.643193000001,"normalized_vol_24hr":34.17033386230469,"normalized_volume":23.02166748046875,"liquidity":556.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-29T20:39:42.447674Z","fetched_at":"2026-10-29T20:39:42.447674Z","added_at":"2026-10-29T02:35:31.259153Z","url":"https://polymarket.com/event/itf-sieg1-saito1-2026-10-29/itf-sieg1-saito1-2026-10-29","event_title":"W75 Toronto: Madison Sieg vs Sara Saito","chart_24h":[0.43,0.44,0.44,0.45,0.46,0.45,0.44,0.435,0.44,0.395,0.4,0.41,0.415,0.42,0.3,0.505,0.5,0.585,0.55]},{"source":"polymarket","id":"6377247","event_id":"1275254","slug":"itf-sieg1-saito1-2026-10-29-set-handicap-away-1pt5","question":"Set Handicap: Sara Saito (-1.5) vs Madison Sieg (+1.5)","group_item_title":"W75 Toronto: Madison Sieg vs Sara Saito Set Handicap +/-1.5","description":"This market refers to the tennis match between Sara Saito and Madison Sieg in the W75 Toronto, originally scheduled for October 29, 2026 at 1:00PM ET.\nThis market will resolve to \"Sara Saito\" if Sara Saito wins by 2 or more sets than Madison Sieg, based on the final completed score. Otherwise, it will resolve to \"Madison Sieg.\"\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, Sara Saito can no longer win by 2 or more sets, and this market will resolve to \"Madison Sieg.\"\nIf the match is canceled before play begins, or a result has not been determined by November 12, 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":["Sara Saito","Madison Sieg"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.19,"active":false,"closed":true,"start_date":"2026-10-29T02:44:12Z","end_date":"2026-11-05T17:00:00Z","closed_time":"2026-10-29T19:25:38.087859Z","result":"Madison Sieg","volume":50.0,"volume_24hr":50.0,"prob_24h_change":-0.5,"volume_24h_change":50.0,"normalized_vol_24hr":6.732077598571777,"normalized_volume":4.535620212554932,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-29T19:40:58.177599Z","fetched_at":"2026-10-29T19:40:58.177599Z","added_at":"2026-10-29T03:01:37.066122Z","url":"https://polymarket.com/event/itf-sieg1-saito1-2026-10-29/itf-sieg1-saito1-2026-10-29-set-handicap-away-1pt5","event_title":"W75 Toronto: Madison Sieg vs Sara Saito","chart_24h":[0.5,0.495,0.51,0.5,0.66,0.4,0.38,0.485,0.005,0.095,0.0]},{"source":"polymarket","id":"6377242","event_id":"1275254","slug":"itf-sieg1-saito1-2026-10-29-set-handicap-home-1pt5","question":"Set Handicap: Madison Sieg (-1.5) vs Sara Saito (+1.5)","group_item_title":"W75 Toronto: Madison Sieg vs Sara Saito Set Handicap +/-1.5","description":"This market refers to the tennis match between Madison Sieg and Sara Saito in the W75 Toronto, originally scheduled for October 29, 2026 at 1:00PM ET.\nThis market will resolve to \"Madison Sieg\" if Madison Sieg wins by 2 or more sets than Sara Saito, based on the final completed score. Otherwise, it will resolve to \"Sara Saito.\"\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, Madison Sieg can no longer win by 2 or more sets, and this market will resolve to \"Sara Saito.\"\nIf the match is canceled before play begins, or a result has not been determined by November 12, 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":["Madison Sieg","Sara Saito"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.988,"active":false,"closed":true,"start_date":"2026-10-29T02:44:12Z","end_date":"2026-11-05T17:00:00Z","closed_time":"2026-10-29T18:51:52.308000Z","result":"Sara Saito","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":"2026-10-29T19:12:34.877306Z","fetched_at":"2026-10-29T19:12:34.877306Z","added_at":"2026-10-29T03:01:37.066122Z","url":"https://polymarket.com/event/itf-sieg1-saito1-2026-10-29/itf-sieg1-saito1-2026-10-29-set-handicap-home-1pt5","event_title":"W75 Toronto: Madison Sieg vs Sara Saito","chart_24h":[0.495,0.52,0.355,0.355,0.355,0.35,0.495,0.4995,0.494,0.0]}]}