{"_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/1261387","as_of":"2026-10-27T17:23:48.340009Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Polymarket): \"M25 Sheffield: Marcus Walters vs Leonardo Rossi\" — closed 2026-10-27; final leader \"\" at 0%. https://pdata.world/events/polymarket/1261387","source_url":"https://polymarket.com/event/itf-walter1-rossi2-2026-10-27"},"source":"polymarket","id":"1261387","ticker":"itf-walter1-rossi2-2026-10-27","slug":"itf-walter1-rossi2-2026-10-27","title":"M25 Sheffield: Marcus Walters vs Leonardo Rossi","description":"This market refers to the tennis match between Marcus Walters and Leonardo Rossi in the M25 Sheffield, Main Draw, originally scheduled for October 27, 2026 at 7:00AM ET.\n\nThis market will resolve to 'Marcus Walters' if Marcus Walters advances against Leonardo Rossi.\n\nThis market will resolve to 'Leonardo Rossi' if Leonardo Rossi advances against Marcus Walters.\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":"2026-10-26T19:59:28Z","end_date":"2026-11-03T11:00:00Z","closed_time":"2026-10-27T16:46:08Z","volume":31139.72729000001,"volume_24hr":31139.727290000003,"volume_24h_change":null,"normalized_vol_24hr":37.17368698120117,"normalized_volume":24.309608459472656,"liquidity":null,"open_interest":28481.71394,"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":0.0,"top_outcome_prob_24h_change":-0.205,"top_outcome_volume_24h_change":31139.72729,"updated_at":"2026-10-27T17:08:34.712299Z","fetched_at":"2026-10-27T17:08:34.712299Z","added_at":"2026-10-26T20:18:14.542255Z","url":"https://polymarket.com/event/itf-walter1-rossi2-2026-10-27","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,14.833332,14.833332,88.833332,217.309798,436.83057399999996,29357.17681,31032.367290000002,31129.617290000002,31139.727290000003],"kind":"live","mutually_exclusive":false,"markets_total":3,"markets":[{"source":"polymarket","id":"6263433","event_id":"1261387","slug":"itf-walter1-rossi2-2026-10-27","question":"M25 Sheffield: Marcus Walters vs Leonardo Rossi","group_item_title":null,"description":"This market refers to the tennis match between Marcus Walters and Leonardo Rossi in the M25 Sheffield, Main Draw, originally scheduled for October 27, 2026 at 7:00AM ET.\n\nThis market will resolve to 'Marcus Walters' if Marcus Walters advances against Leonardo Rossi.\n\nThis market will resolve to 'Leonardo Rossi' if Leonardo Rossi advances against Marcus Walters.\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":["Marcus Walters","Leonardo Rossi"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-26T19:59:28Z","end_date":"2026-11-03T11:00:00Z","closed_time":"2026-10-27T16:46:14.128328Z","result":"Leonardo Rossi","volume":31139.727290000003,"volume_24hr":31139.72729,"prob_24h_change":-0.205,"volume_24h_change":31139.72729,"normalized_vol_24hr":44.382572174072266,"normalized_volume":31.406240463256836,"liquidity":0.0,"categories":["Sports"],"countries":[],"updated_at":"2026-10-27T17:08:34.806411Z","fetched_at":"2026-10-27T17:08:34.806411Z","added_at":"2026-10-26T20:18:14.645235Z","url":"https://polymarket.com/event/itf-walter1-rossi2-2026-10-27/itf-walter1-rossi2-2026-10-27","event_title":"M25 Sheffield: Marcus Walters vs Leonardo Rossi","chart_24h":[0.205,0.325,0.33,0.35,0.345,0.355,0.355,0.35,0.355,0.355,0.35,0.43,0.505,0.085,0.4745,0.457,0.0005,0.0005,0.0]},{"source":"polymarket","id":"6265139","event_id":"1261387","slug":"itf-walter1-rossi2-2026-10-27-set-handicap-home-1pt5","question":"Set Handicap: Marcus Walters (-1.5) vs Leonardo Rossi (+1.5)","group_item_title":"M25 Sheffield: Marcus Walters vs Leonardo Rossi Set Handicap +/-1.5","description":"This market refers to the tennis match between Marcus Walters and Leonardo Rossi in the M25 Sheffield, originally scheduled for October 27, 2026 at 7:00AM ET.\nThis market will resolve to \"Marcus Walters\" if Marcus Walters wins by 2 or more sets than Leonardo Rossi, based on the final completed score. Otherwise, it will resolve to \"Leonardo Rossi.\"\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, Marcus Walters can no longer win by 2 or more sets, and this market will resolve to \"Leonardo Rossi.\"\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":["Marcus Walters","Leonardo Rossi"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.009,"active":false,"closed":true,"start_date":"2026-10-26T20:44:20Z","end_date":"2026-11-03T11:00:00Z","closed_time":"2026-10-27T14:50:10.287475Z","result":"Leonardo Rossi","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":"2026-10-27T15:06:05.037125Z","fetched_at":"2026-10-27T15:06:05.037125Z","added_at":"2026-10-26T21:05:59.343350Z","url":"https://polymarket.com/event/itf-walter1-rossi2-2026-10-27/itf-walter1-rossi2-2026-10-27-set-handicap-home-1pt5","event_title":"M25 Sheffield: Marcus Walters vs Leonardo Rossi","chart_24h":[0.495,0.495,0.5,0.51,0.5,0.51,0.5,0.0045,0.0]},{"source":"polymarket","id":"6265144","event_id":"1261387","slug":"itf-walter1-rossi2-2026-10-27-set-handicap-away-1pt5","question":"Set Handicap: Leonardo Rossi (-1.5) vs Marcus Walters (+1.5)","group_item_title":"M25 Sheffield: Marcus Walters vs Leonardo Rossi Set Handicap +/-1.5","description":"This market refers to the tennis match between Leonardo Rossi and Marcus Walters in the M25 Sheffield, originally scheduled for October 27, 2026 at 7:00AM ET.\nThis market will resolve to \"Leonardo Rossi\" if Leonardo Rossi wins by 2 or more sets than Marcus Walters, based on the final completed score. Otherwise, it will resolve to \"Marcus Walters.\"\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, Leonardo Rossi can no longer win by 2 or more sets, and this market will resolve to \"Marcus Walters.\"\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":["Leonardo Rossi","Marcus Walters"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.001,"active":false,"closed":true,"start_date":"2026-10-26T20:44:20Z","end_date":"2026-11-03T11:00:00Z","closed_time":"2026-10-27T15:48:40.370384Z","result":"Marcus Walters","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":"2026-10-27T15:55:53.656954Z","fetched_at":"2026-10-27T15:55:53.656954Z","added_at":"2026-10-26T21:05:59.343350Z","url":"https://polymarket.com/event/itf-walter1-rossi2-2026-10-27/itf-walter1-rossi2-2026-10-27-set-handicap-away-1pt5","event_title":"M25 Sheffield: Marcus Walters vs Leonardo Rossi","chart_24h":[0.495,0.495,0.5,0.51,0.5,0.51,0.5,0.0045,0.0005,0.0]}]}