{"_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/1259413","as_of":"2026-10-27T14:35:41.416208Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"W50 Istanbul: Maria Golovina vs Radka Zelnickova\" — closed 2026-10-27; final leader \"\" at 100%. https://pdata.world/events/polymarket/1259413","source_url":"https://polymarket.com/event/itf-golovi1-zelnic1-2026-10-27"},"source":"polymarket","id":"1259413","ticker":"itf-golovi1-zelnic1-2026-10-27","slug":"itf-golovi1-zelnic1-2026-10-27","title":"W50 Istanbul: Maria Golovina vs Radka Zelnickova","description":"This market refers to the tennis match between Maria Golovina and Radka Zelnickova in the W50 Istanbul, Main Draw, originally scheduled for October 27, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Maria Golovina' if Maria Golovina advances against Radka Zelnickova.\n\nThis market will resolve to 'Radka Zelnickova' if Radka Zelnickova advances against Maria Golovina.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 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":"2026-10-26T14:14:16Z","end_date":"2026-11-03T08:00:00Z","closed_time":"2026-10-27T12:26:42Z","volume":5135.552291,"volume_24hr":5135.552291,"volume_24h_change":null,"normalized_vol_24hr":24.597858428955078,"normalized_volume":16.578554153442383,"liquidity":null,"open_interest":5040.672945,"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":0.5,"top_outcome_volume_24h_change":5125.235156,"updated_at":"2026-10-27T12:44:06.186454Z","fetched_at":"2026-10-27T12:44:06.186454Z","added_at":"2026-10-26T14:19:13.299901Z","url":"https://polymarket.com/event/itf-golovi1-zelnic1-2026-10-27","chart_24h":[0.0,0.0,0.0,0.0,3.05,3.05,3.05,3.05,3.05,3.05,8.05,18.05,18.05,18.05,18.05,127.908424,221.240684,580.385844,580.385844,580.385844,580.385844,783.039813,783.039813,783.039813,992.587575,1304.532291,1326.0322909999998,5135.552291,5135.552291],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"6252478","event_id":"1259413","slug":"itf-golovi1-zelnic1-2026-10-27","question":"W50 Istanbul: Maria Golovina vs Radka Zelnickova","group_item_title":null,"description":"This market refers to the tennis match between Maria Golovina and Radka Zelnickova in the W50 Istanbul, Main Draw, originally scheduled for October 27, 2026 at 4:00AM ET.\n\nThis market will resolve to 'Maria Golovina' if Maria Golovina advances against Radka Zelnickova.\n\nThis market will resolve to 'Radka Zelnickova' if Radka Zelnickova advances against Maria Golovina.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 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":["Maria Golovina","Radka Zelnickova"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-26T14:14:16Z","end_date":"2026-11-03T08:00:00Z","closed_time":"2026-10-27T12:26:46.860077Z","result":"Maria Golovina","volume":5125.235156,"volume_24hr":5125.235156,"prob_24h_change":0.5,"volume_24h_change":5125.235156,"normalized_vol_24hr":29.613983154296875,"normalized_volume":21.408203125,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-27T12:44:06.229706Z","fetched_at":"2026-10-27T12:44:06.229706Z","added_at":"2026-10-26T14:19:13.350235Z","url":"https://polymarket.com/event/itf-golovi1-zelnic1-2026-10-27/itf-golovi1-zelnic1-2026-10-27","event_title":"W50 Istanbul: Maria Golovina vs Radka Zelnickova","chart_24h":[0.5,0.565,0.61,0.63,0.615,0.615,0.635,0.62,0.63,0.63,0.63,0.625,0.61,0.615,0.61,0.635,0.625,0.635,0.635,0.635,0.835,0.9995,0.9995,0.9995,1.0]},{"source":"polymarket","id":"6252795","event_id":"1259413","slug":"itf-golovi1-zelnic1-2026-10-27-set-handicap-home-1pt5","question":"Set Handicap: Maria Golovina (-1.5) vs Radka Zelnickova (+1.5)","group_item_title":"W50 Istanbul: Maria Golovina vs Radka Zelnickova Set Handicap +/-1.5","description":"This market refers to the tennis match between Maria Golovina and Radka Zelnickova in the W50 Istanbul, originally scheduled for October 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Maria Golovina\" if Maria Golovina wins by 2 or more sets than Radka Zelnickova, based on the final completed score. Otherwise, it will resolve to \"Radka Zelnickova.\"\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, Maria Golovina can no longer win by 2 or more sets, and this market will resolve to \"Radka Zelnickova.\"\nIf the match is canceled before play begins, or a result has not been determined by November 10, 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":["Maria Golovina","Radka Zelnickova"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-26T14:44:13Z","end_date":"2026-11-03T08:00:00Z","closed_time":"2026-10-27T12:26:46.914981Z","result":"Maria Golovina","volume":10.317135,"volume_24hr":10.317135,"prob_24h_change":0.5,"volume_24h_change":10.317135,"normalized_vol_24hr":2.38924241065979,"normalized_volume":1.7272039651870728,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-27T12:44:06.229706Z","fetched_at":"2026-10-27T12:44:06.229706Z","added_at":"2026-10-26T15:07:24.047117Z","url":"https://polymarket.com/event/itf-golovi1-zelnic1-2026-10-27/itf-golovi1-zelnic1-2026-10-27-set-handicap-home-1pt5","event_title":"W50 Istanbul: Maria Golovina vs Radka Zelnickova","chart_24h":[0.5,0.495,0.5,0.425,0.405,0.415,0.445,0.45,0.445,0.45,0.5,0.9995,1.0]},{"source":"polymarket","id":"6252801","event_id":"1259413","slug":"itf-golovi1-zelnic1-2026-10-27-set-handicap-away-1pt5","question":"Set Handicap: Radka Zelnickova (-1.5) vs Maria Golovina (+1.5)","group_item_title":"W50 Istanbul: Maria Golovina vs Radka Zelnickova Set Handicap +/-1.5","description":"This market refers to the tennis match between Radka Zelnickova and Maria Golovina in the W50 Istanbul, originally scheduled for October 27, 2026 at 4:00AM ET.\nThis market will resolve to \"Radka Zelnickova\" if Radka Zelnickova wins by 2 or more sets than Maria Golovina, based on the final completed score. Otherwise, it will resolve to \"Maria Golovina.\"\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, Radka Zelnickova can no longer win by 2 or more sets, and this market will resolve to \"Maria Golovina.\"\nIf the match is canceled before play begins, or a result has not been determined by November 10, 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":["Radka Zelnickova","Maria Golovina"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-26T14:44:13Z","end_date":"2026-11-03T08:00:00Z","closed_time":"2026-10-27T11:47:38.265832Z","result":"Maria Golovina","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":"2026-10-27T11:55:38.131623Z","fetched_at":"2026-10-27T11:55:38.131623Z","added_at":"2026-10-26T15:07:24.047117Z","url":"https://polymarket.com/event/itf-golovi1-zelnic1-2026-10-27/itf-golovi1-zelnic1-2026-10-27-set-handicap-away-1pt5","event_title":"W50 Istanbul: Maria Golovina vs Radka Zelnickova","chart_24h":[0.5,0.495,0.5,0.58,0.57,0.36,0.365,0.36,0.355,0.5,0.0045,0.0005,0.0]}]}