{"_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/1188542","as_of":"2026-10-15T11:33:32.471183Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"W15 Shenzhen: Honori Koyama vs Sijia Wei\" — closed 2026-10-15; final leader \"W15 Shenzhen: Honori Koyama vs Sijia Wei Set Handicap +/-1.5\" at 100%. https://pdata.world/events/polymarket/1188542","source_url":"https://polymarket.com/event/itf-koyama2-wei1-2026-10-15"},"source":"polymarket","id":"1188542","ticker":"itf-koyama2-wei1-2026-10-15","slug":"itf-koyama2-wei1-2026-10-15","title":"W15 Shenzhen: Honori Koyama vs Sijia Wei","description":"This market refers to the tennis match between Honori Koyama and Sijia Wei in the W15 Shenzhen, Main Draw, originally scheduled for October 14, 2026 at 11:30PM ET.\n\nThis market will resolve to 'Honori Koyama' if Honori Koyama advances against Sijia Wei.\n\nThis market will resolve to 'Sijia Wei' if Sijia Wei advances against Honori Koyama.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 28, 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":"2026-10-14T14:14:12Z","end_date":"2026-10-22T03:30:00Z","closed_time":"2026-10-15T08:53:56Z","volume":2746.308747,"volume_24hr":2746.308747,"volume_24h_change":null,"normalized_vol_24hr":23.858936309814453,"normalized_volume":14.243431091308594,"liquidity":0.0,"open_interest":1410.318747,"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":"W15 Shenzhen: Honori Koyama vs Sijia Wei Set Handicap +/-1.5","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.5,"top_outcome_volume_24h_change":0.0,"updated_at":"2026-10-15T09:15:20.060558Z","fetched_at":"2026-10-15T09:15:20.060558Z","added_at":"2026-10-14T14:34:06.864420Z","url":"https://polymarket.com/event/itf-koyama2-wei1-2026-10-15","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,20.725371,23.419656,33.419656,33.419655999999996,1269.409656,1269.409656,1269.409656,1510.318747,2746.308747,2746.308747,2746.308747],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"5687863","event_id":"1188542","slug":"itf-koyama2-wei1-2026-10-15","question":"W15 Shenzhen: Honori Koyama vs Sijia Wei","group_item_title":null,"description":"This market refers to the tennis match between Honori Koyama and Sijia Wei in the W15 Shenzhen, Main Draw, originally scheduled for October 14, 2026 at 11:30PM ET.\n\nThis market will resolve to 'Honori Koyama' if Honori Koyama advances against Sijia Wei.\n\nThis market will resolve to 'Sijia Wei' if Sijia Wei advances against Honori Koyama.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 28, 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":["Honori Koyama","Sijia Wei"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-14T14:14:12Z","end_date":"2026-10-22T03:30:00Z","closed_time":"2026-10-15T08:52:59Z","result":"Sijia Wei","volume":2746.308747,"volume_24hr":2746.308747,"prob_24h_change":-0.265,"volume_24h_change":2746.308747,"normalized_vol_24hr":24.175762176513672,"normalized_volume":18.3958797454834,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-15T09:15:20.148652Z","fetched_at":"2026-10-15T09:15:20.148652Z","added_at":"2026-10-14T14:34:06.965509Z","url":"https://polymarket.com/event/itf-koyama2-wei1-2026-10-15/itf-koyama2-wei1-2026-10-15","event_title":"W15 Shenzhen: Honori Koyama vs Sijia Wei","chart_24h":[0.265,0.21,0.0365,0.04,0.0365,0.041,0.033,0.0375,0.0435,0.037,0.0415,0.0395,0.0395,0.035,0.0395,0.0405,0.0505,0.056,0.007,0.0005,0.0]},{"source":"polymarket","id":"5688379","event_id":"1188542","slug":"itf-koyama2-wei1-2026-10-15-set-handicap-away-1pt5","question":"Set Handicap: Sijia Wei (-1.5) vs Honori Koyama (+1.5)","group_item_title":"W15 Shenzhen: Honori Koyama vs Sijia Wei Set Handicap +/-1.5","description":"This market refers to the tennis match between Sijia Wei and Honori Koyama in the W15 Shenzhen, originally scheduled for October 14, 2026 at 11:30PM ET.\nThis market will resolve to \"Sijia Wei\" if Sijia Wei wins by 2 or more sets than Honori Koyama, based on the final completed score. Otherwise, it will resolve to \"Honori Koyama.\"\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, Sijia Wei can no longer win by 2 or more sets, and this market will resolve to \"Honori Koyama.\"\nIf the match is canceled before play begins, or a result has not been determined by October 28, 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":["Sijia Wei","Honori Koyama"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-14T14:44:13Z","end_date":"2026-10-22T03:30:00Z","closed_time":"2026-10-15T08:53:56Z","result":"Sijia Wei","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-15T09:15:20.148652Z","fetched_at":"2026-10-15T09:15:20.148652Z","added_at":"2026-10-14T14:58:45.864436Z","url":"https://polymarket.com/event/itf-koyama2-wei1-2026-10-15/itf-koyama2-wei1-2026-10-15-set-handicap-away-1pt5","event_title":"W15 Shenzhen: Honori Koyama vs Sijia Wei","chart_24h":[0.5,0.495,0.5,0.495,0.495,0.5,0.9995,1.0]},{"source":"polymarket","id":"5688376","event_id":"1188542","slug":"itf-koyama2-wei1-2026-10-15-set-handicap-home-1pt5","question":"Set Handicap: Honori Koyama (-1.5) vs Sijia Wei (+1.5)","group_item_title":"W15 Shenzhen: Honori Koyama vs Sijia Wei Set Handicap +/-1.5","description":"This market refers to the tennis match between Honori Koyama and Sijia Wei in the W15 Shenzhen, originally scheduled for October 14, 2026 at 11:30PM ET.\nThis market will resolve to \"Honori Koyama\" if Honori Koyama wins by 2 or more sets than Sijia Wei, based on the final completed score. Otherwise, it will resolve to \"Sijia Wei.\"\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, Honori Koyama can no longer win by 2 or more sets, and this market will resolve to \"Sijia Wei.\"\nIf the match is canceled before play begins, or a result has not been determined by October 28, 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":["Honori Koyama","Sijia Wei"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-14T14:44:13Z","end_date":"2026-10-22T03:30:00Z","closed_time":"2026-10-15T08:12:59Z","result":"Sijia Wei","volume":0.0,"volume_24hr":0.0,"prob_24h_change":-0.5,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-15T08:23:37.810188Z","fetched_at":"2026-10-15T08:23:37.810188Z","added_at":"2026-10-14T14:58:45.864436Z","url":"https://polymarket.com/event/itf-koyama2-wei1-2026-10-15/itf-koyama2-wei1-2026-10-15-set-handicap-home-1pt5","event_title":"W15 Shenzhen: Honori Koyama vs Sijia Wei","chart_24h":[0.5,0.495,0.495,0.5,0.095,0.0005,0.0]}]}