{"_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/1276544","as_of":"2026-10-30T05:51:13.642608Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"W35 Sydney: Hikaru Sato vs Erika Sema\" — closed 2026-10-30; final leader \"\" at 100%. https://pdata.world/events/polymarket/1276544","source_url":"https://polymarket.com/event/itf-sato2-sema1-2026-10-29"},"source":"polymarket","id":"1276544","ticker":"itf-sato2-sema1-2026-10-29","slug":"itf-sato2-sema1-2026-10-29","title":"W35 Sydney: Hikaru Sato vs Erika Sema","description":"This market refers to the tennis match between Hikaru Sato and Erika Sema in the W35 Sydney, Main Draw, originally scheduled for October 29, 2026 at 7:00PM ET.\n\nThis market will resolve to 'Hikaru Sato' if Hikaru Sato advances against Erika Sema.\n\nThis market will resolve to 'Erika Sema' if Erika Sema advances against Hikaru Sato.\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":false,"closed":true,"start_date":"2026-10-29T08:14:12Z","end_date":"2026-11-05T23:00:00Z","closed_time":"2026-10-30T03:54:06Z","volume":5563.167747999999,"volume_24hr":5563.167748,"volume_24h_change":null,"normalized_vol_24hr":29.748817443847656,"normalized_volume":16.889244079589844,"liquidity":0.0,"open_interest":5123.584171,"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":0.15500000000000003,"top_outcome_volume_24h_change":5538.167748,"updated_at":"2026-10-30T03:57:21.721782Z","fetched_at":"2026-10-30T03:57:21.721782Z","added_at":"2026-10-29T08:39:21.613861Z","url":"https://polymarket.com/event/itf-sato2-sema1-2026-10-29","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,4.347827,4.347827,4.347827,1030.725008,4870.316929,5286.709422999999,5563.167748,5563.167748,5563.167748],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"6381941","event_id":"1276544","slug":"itf-sato2-sema1-2026-10-29","question":"W35 Sydney: Hikaru Sato vs Erika Sema","group_item_title":null,"description":"This market refers to the tennis match between Hikaru Sato and Erika Sema in the W35 Sydney, Main Draw, originally scheduled for October 29, 2026 at 7:00PM ET.\n\nThis market will resolve to 'Hikaru Sato' if Hikaru Sato advances against Erika Sema.\n\nThis market will resolve to 'Erika Sema' if Erika Sema advances against Hikaru Sato.\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":["Hikaru Sato","Erika Sema"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-29T08:14:12Z","end_date":"2026-11-05T23:00:00Z","closed_time":"2026-10-30T03:54:09.895505Z","result":"Hikaru Sato","volume":5538.167747999999,"volume_24hr":5538.167748,"prob_24h_change":0.15500000000000003,"volume_24h_change":5538.167748,"normalized_vol_24hr":32.83003616333008,"normalized_volume":21.798288345336914,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-30T03:57:21.827428Z","fetched_at":"2026-10-30T03:57:21.827428Z","added_at":"2026-10-29T08:39:21.632045Z","url":"https://polymarket.com/event/itf-sato2-sema1-2026-10-29/itf-sato2-sema1-2026-10-29","event_title":"W35 Sydney: Hikaru Sato vs Erika Sema","chart_24h":[0.845,0.785,0.79,0.79,0.795,0.79,0.785,0.79,0.79,0.87,0.79,0.795,0.79,0.79,0.78,0.68,0.565,0.665,0.82,0.9995,1.0]},{"source":"polymarket","id":"6382222","event_id":"1276544","slug":"itf-sato2-sema1-2026-10-29-set-handicap-away-1pt5","question":"Set Handicap: Erika Sema (-1.5) vs Hikaru Sato (+1.5)","group_item_title":"W35 Sydney: Hikaru Sato vs Erika Sema Set Handicap +/-1.5","description":"This market refers to the tennis match between Erika Sema and Hikaru Sato in the W35 Sydney, originally scheduled for October 29, 2026 at 7:00PM ET.\nThis market will resolve to \"Erika Sema\" if Erika Sema wins by 2 or more sets than Hikaru Sato, based on the final completed score. Otherwise, it will resolve to \"Hikaru Sato.\"\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, Erika Sema can no longer win by 2 or more sets, and this market will resolve to \"Hikaru Sato.\"\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":["Erika Sema","Hikaru Sato"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.009,"active":false,"closed":true,"start_date":"2026-10-29T08:44:11Z","end_date":"2026-11-05T23:00:00Z","closed_time":"2026-10-30T03:07:16.983321Z","result":"Hikaru Sato","volume":25.0,"volume_24hr":25.0,"prob_24h_change":-0.495,"volume_24h_change":25.0,"normalized_vol_24hr":4.690564155578613,"normalized_volume":3.114412307739258,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-30T03:29:46.036401Z","fetched_at":"2026-10-30T03:29:46.036401Z","added_at":"2026-10-29T09:06:21.239911Z","url":"https://polymarket.com/event/itf-sato2-sema1-2026-10-29/itf-sato2-sema1-2026-10-29-set-handicap-away-1pt5","event_title":"W35 Sydney: Hikaru Sato vs Erika Sema","chart_24h":[0.495,0.495,0.225,0.0045,0.1,0.0045,0.0]},{"source":"polymarket","id":"6382218","event_id":"1276544","slug":"itf-sato2-sema1-2026-10-29-set-handicap-home-1pt5","question":"Set Handicap: Hikaru Sato (-1.5) vs Erika Sema (+1.5)","group_item_title":"W35 Sydney: Hikaru Sato vs Erika Sema Set Handicap +/-1.5","description":"This market refers to the tennis match between Hikaru Sato and Erika Sema in the W35 Sydney, originally scheduled for October 29, 2026 at 7:00PM ET.\nThis market will resolve to \"Hikaru Sato\" if Hikaru Sato wins by 2 or more sets than Erika Sema, based on the final completed score. Otherwise, it will resolve to \"Erika Sema.\"\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, Hikaru Sato can no longer win by 2 or more sets, and this market will resolve to \"Erika Sema.\"\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":["Hikaru Sato","Erika Sema"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.881,"active":false,"closed":true,"start_date":"2026-10-29T08:44:11Z","end_date":"2026-11-05T23:00:00Z","closed_time":"2026-10-30T01:59:08.322596Z","result":"Erika Sema","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":"2026-10-30T02:10:46.095365Z","fetched_at":"2026-10-30T02:10:46.095365Z","added_at":"2026-10-29T09:06:21.239911Z","url":"https://polymarket.com/event/itf-sato2-sema1-2026-10-29/itf-sato2-sema1-2026-10-29-set-handicap-home-1pt5","event_title":"W35 Sydney: Hikaru Sato vs Erika Sema","chart_24h":[0.495,0.495,0.0045,0.0815,0.1,0.0]}]}