{"_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/1179154","as_of":"2026-10-13T17:05:48.127283Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"M15 Heraklion: Ioannis Xilas vs Henri Haupt\" — closed 2026-10-13; final leader \"\" at 100%. https://pdata.world/events/polymarket/1179154","source_url":"https://polymarket.com/event/itf-xilas1-haupt1-2026-10-13"},"source":"polymarket","id":"1179154","ticker":"itf-xilas1-haupt1-2026-10-13","slug":"itf-xilas1-haupt1-2026-10-13","title":"M15 Heraklion: Ioannis Xilas vs Henri Haupt","description":"This market refers to the tennis match between Ioannis Xilas and Henri Haupt in the M15 Heraklion, Main Draw, originally scheduled for October 13, 2026 at 5:00AM ET.\n\nThis market will resolve to 'Ioannis Xilas' if Ioannis Xilas advances against Henri Haupt.\n\nThis market will resolve to 'Henri Haupt' if Henri Haupt advances against Ioannis Xilas.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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":"2026-10-12T19:59:18Z","end_date":"2026-10-20T09:00:00Z","closed_time":"2026-10-13T14:38:56Z","volume":3794.650425,"volume_24hr":3809.0775,"volume_24h_change":null,"normalized_vol_24hr":26.145095825195312,"normalized_volume":15.430607795715332,"liquidity":null,"open_interest":2191.8575,"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":0.07999999999999996,"top_outcome_volume_24h_change":3794.650425,"updated_at":"2026-10-13T15:02:50.290851Z","fetched_at":"2026-10-13T15:02:50.290851Z","added_at":"2026-10-12T20:24:37.608237Z","url":"https://polymarket.com/event/itf-xilas1-haupt1-2026-10-13","chart_24h":[14.427075,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,59.666097,156.825537,161.953737,275.97897500000005,1758.590833,2277.2574999999997,2836.0775,3809.0775,3809.0775],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"5634316","event_id":"1179154","slug":"itf-xilas1-haupt1-2026-10-13","question":"M15 Heraklion: Ioannis Xilas vs Henri Haupt","group_item_title":null,"description":"This market refers to the tennis match between Ioannis Xilas and Henri Haupt in the M15 Heraklion, Main Draw, originally scheduled for October 13, 2026 at 5:00AM ET.\n\nThis market will resolve to 'Ioannis Xilas' if Ioannis Xilas advances against Henri Haupt.\n\nThis market will resolve to 'Henri Haupt' if Henri Haupt advances against Ioannis Xilas.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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":["Ioannis Xilas","Henri Haupt"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-12T19:59:18Z","end_date":"2026-10-20T09:00:00Z","closed_time":"2026-10-13T14:38:56Z","result":"Ioannis Xilas","volume":3794.650425,"volume_24hr":3809.0775,"prob_24h_change":0.07999999999999996,"volume_24h_change":3794.650425,"normalized_vol_24hr":27.755786895751953,"normalized_volume":19.92840003967285,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-13T15:02:50.458075Z","fetched_at":"2026-10-13T15:02:50.458075Z","added_at":"2026-10-12T20:24:37.739717Z","url":"https://polymarket.com/event/itf-xilas1-haupt1-2026-10-13/itf-xilas1-haupt1-2026-10-13","event_title":"M15 Heraklion: Ioannis Xilas vs Henri Haupt","chart_24h":[0.92,0.934,0.9205,0.9315,0.9205,0.956,0.9555,0.9575,0.955,0.9655,0.967,0.964,0.9585,0.9595,0.966,0.9665,0.96,0.91,0.97,0.894,0.9995,0.9995,0.9995,1.0]},{"source":"polymarket","id":"5635384","event_id":"1179154","slug":"itf-xilas1-haupt1-2026-10-13-set-handicap-home-1pt5","question":"Set Handicap: Ioannis Xilas (-1.5) vs Henri Haupt (+1.5)","group_item_title":"M15 Heraklion: Ioannis Xilas vs Henri Haupt Set Handicap +/-1.5","description":"This market refers to the tennis match between Ioannis Xilas and Henri Haupt in the M15 Heraklion, originally scheduled for October 13, 2026 at 5:00AM ET.\nThis market will resolve to \"Ioannis Xilas\" if Ioannis Xilas wins by 2 or more sets than Henri Haupt, based on the final completed score. Otherwise, it will resolve to \"Henri Haupt.\"\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, Ioannis Xilas can no longer win by 2 or more sets, and this market will resolve to \"Henri Haupt.\"\nIf the match is canceled before play begins, or a result has not been determined by October 27, 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":["Ioannis Xilas","Henri Haupt"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-12T20:44:28Z","end_date":"2026-10-20T09:00:00Z","closed_time":"2026-10-13T14:09:26Z","result":"Henri Haupt","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":"2026-10-13T14:14:50.830958Z","fetched_at":"2026-10-13T14:14:50.830958Z","added_at":"2026-10-12T20:49:48.530062Z","url":"https://polymarket.com/event/itf-xilas1-haupt1-2026-10-13/itf-xilas1-haupt1-2026-10-13-set-handicap-home-1pt5","event_title":"M15 Heraklion: Ioannis Xilas vs Henri Haupt","chart_24h":[0.495,0.495,0.5,0.495,0.51,0.49,0.5,0.5,0.005,0.0005,0.0]},{"source":"polymarket","id":"5635388","event_id":"1179154","slug":"itf-xilas1-haupt1-2026-10-13-set-handicap-away-1pt5","question":"Set Handicap: Henri Haupt (-1.5) vs Ioannis Xilas (+1.5)","group_item_title":"M15 Heraklion: Ioannis Xilas vs Henri Haupt Set Handicap +/-1.5","description":"This market refers to the tennis match between Henri Haupt and Ioannis Xilas in the M15 Heraklion, originally scheduled for October 13, 2026 at 5:00AM ET.\nThis market will resolve to \"Henri Haupt\" if Henri Haupt wins by 2 or more sets than Ioannis Xilas, based on the final completed score. Otherwise, it will resolve to \"Ioannis Xilas.\"\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, Henri Haupt can no longer win by 2 or more sets, and this market will resolve to \"Ioannis Xilas.\"\nIf the match is canceled before play begins, or a result has not been determined by October 27, 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":["Henri Haupt","Ioannis Xilas"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.01,"active":false,"closed":true,"start_date":"2026-10-12T20:44:28Z","end_date":"2026-10-20T09:00:00Z","closed_time":"2026-10-13T13:15:59Z","result":"Ioannis Xilas","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":"2026-10-13T13:22:25.593270Z","fetched_at":"2026-10-13T13:22:25.593270Z","added_at":"2026-10-12T20:49:48.530062Z","url":"https://polymarket.com/event/itf-xilas1-haupt1-2026-10-13/itf-xilas1-haupt1-2026-10-13-set-handicap-away-1pt5","event_title":"M15 Heraklion: Ioannis Xilas vs Henri Haupt","chart_24h":[0.495,0.5,0.5,0.5,0.005,0.005,0.0]}]}