{"_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/1219597","as_of":"2026-10-20T15:01:08.234638Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski\" — closed 2026-10-20; final leader \"\" at 100%. https://pdata.world/events/polymarket/1219597","source_url":"https://polymarket.com/event/itf-gribal1-zielin1-2026-10-20"},"source":"polymarket","id":"1219597","ticker":"itf-gribal1-zielin1-2026-10-20","slug":"itf-gribal1-zielin1-2026-10-20","title":"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski","description":"This market refers to the tennis match between Matteo Gribaldo and Marcel Zielinski in the M25 Santa Margherita di Pula, Main Draw, originally scheduled for October 20, 2026 at 5:00AM ET.\n\nThis market will resolve to 'Matteo Gribaldo' if Matteo Gribaldo advances against Marcel Zielinski.\n\nThis market will resolve to 'Marcel Zielinski' if Marcel Zielinski advances against Matteo Gribaldo.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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":"2026-10-19T19:59:16Z","end_date":"2026-10-27T09:00:00Z","closed_time":"2026-10-20T13:57:00Z","volume":26774.699073,"volume_24hr":26865.765741,"volume_24h_change":null,"normalized_vol_24hr":40.38837432861328,"normalized_volume":23.609590530395508,"liquidity":null,"open_interest":22125.860582,"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":0.585,"top_outcome_volume_24h_change":26865.765741,"updated_at":"2026-10-20T14:39:58.800219Z","fetched_at":"2026-10-20T14:39:58.800219Z","added_at":"2026-10-19T20:14:15.291492Z","url":"https://polymarket.com/event/itf-gribal1-zielin1-2026-10-20","chart_24h":[0.0,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,91.06666799999999,92.376668,92.376668,100.710002,6762.996238999999,26855.655741,26855.655741,26855.655741,26865.765740999996],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"5938715","event_id":"1219597","slug":"itf-gribal1-zielin1-2026-10-20","question":"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski","group_item_title":null,"description":"This market refers to the tennis match between Matteo Gribaldo and Marcel Zielinski in the M25 Santa Margherita di Pula, Main Draw, originally scheduled for October 20, 2026 at 5:00AM ET.\n\nThis market will resolve to 'Matteo Gribaldo' if Matteo Gribaldo advances against Marcel Zielinski.\n\nThis market will resolve to 'Marcel Zielinski' if Marcel Zielinski advances against Matteo Gribaldo.\n\nIf the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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":["Matteo Gribaldo","Marcel Zielinski"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-19T19:59:16Z","end_date":"2026-10-27T09:00:00Z","closed_time":"2026-10-20T13:56:00.181455Z","result":"Matteo Gribaldo","volume":26774.699073,"volume_24hr":26865.765741,"prob_24h_change":0.585,"volume_24h_change":26865.765741,"normalized_vol_24hr":43.313140869140625,"normalized_volume":30.496074676513672,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-20T14:39:58.927584Z","fetched_at":"2026-10-20T14:39:58.927584Z","added_at":"2026-10-19T20:14:15.365325Z","url":"https://polymarket.com/event/itf-gribal1-zielin1-2026-10-20/itf-gribal1-zielin1-2026-10-20","event_title":"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski","chart_24h":[0.415,0.11,0.105,0.08,0.075,0.075,0.085,0.09,0.085,0.075,0.085,0.075,0.08,0.125,0.575,0.9995,0.9995,0.9995,1.0]},{"source":"polymarket","id":"5939705","event_id":"1219597","slug":"itf-gribal1-zielin1-2026-10-20-set-handicap-home-1pt5","question":"Set Handicap: Matteo Gribaldo (-1.5) vs Marcel Zielinski (+1.5)","group_item_title":"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski Set Handicap +/-1.5","description":"This market refers to the tennis match between Matteo Gribaldo and Marcel Zielinski in the M25 Santa Margherita di Pula, originally scheduled for October 20, 2026 at 5:00AM ET.\nThis market will resolve to \"Matteo Gribaldo\" if Matteo Gribaldo wins by 2 or more sets than Marcel Zielinski, based on the final completed score. Otherwise, it will resolve to \"Marcel Zielinski.\"\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, Matteo Gribaldo can no longer win by 2 or more sets, and this market will resolve to \"Marcel Zielinski.\"\nIf the match is canceled before play begins, or a result has not been determined by November 3, 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":["Matteo Gribaldo","Marcel Zielinski"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-19T20:44:22Z","end_date":"2026-10-27T09:00:00Z","closed_time":"2026-10-20T13:57:03.870567Z","result":"Matteo Gribaldo","volume":0.0,"volume_24hr":0.0,"prob_24h_change":0.505,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-20T14:16:58.069352Z","fetched_at":"2026-10-20T14:16:58.069352Z","added_at":"2026-10-19T20:58:09.334320Z","url":"https://polymarket.com/event/itf-gribal1-zielin1-2026-10-20/itf-gribal1-zielin1-2026-10-20-set-handicap-home-1pt5","event_title":"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski","chart_24h":[0.495,0.495,0.5,0.9995,1.0]},{"source":"polymarket","id":"5939706","event_id":"1219597","slug":"itf-gribal1-zielin1-2026-10-20-set-handicap-away-1pt5","question":"Set Handicap: Marcel Zielinski (-1.5) vs Matteo Gribaldo (+1.5)","group_item_title":"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski Set Handicap +/-1.5","description":"This market refers to the tennis match between Marcel Zielinski and Matteo Gribaldo in the M25 Santa Margherita di Pula, originally scheduled for October 20, 2026 at 5:00AM ET.\nThis market will resolve to \"Marcel Zielinski\" if Marcel Zielinski wins by 2 or more sets than Matteo Gribaldo, based on the final completed score. Otherwise, it will resolve to \"Matteo Gribaldo.\"\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, Marcel Zielinski can no longer win by 2 or more sets, and this market will resolve to \"Matteo Gribaldo.\"\nIf the match is canceled before play begins, or a result has not been determined by November 3, 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":["Marcel Zielinski","Matteo Gribaldo"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-19T20:44:22Z","end_date":"2026-10-27T09:00:00Z","closed_time":"2026-10-20T13:15:04.287178Z","result":"Matteo Gribaldo","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":"2026-10-20T13:15:25.930211Z","fetched_at":"2026-10-20T13:15:25.930211Z","added_at":"2026-10-19T20:58:09.334320Z","url":"https://polymarket.com/event/itf-gribal1-zielin1-2026-10-20/itf-gribal1-zielin1-2026-10-20-set-handicap-away-1pt5","event_title":"M25 Santa Margherita di Pula: Matteo Gribaldo vs Marcel Zielinski","chart_24h":[0.495,0.49,0.405,0.42,0.505,0.495,0.495,0.5,0.005,0.0005,0.0]}]}