{"source":"kalshi","id":"KXITFMATCH-26SEP07SEIVER","ticker":"KXITFMATCH-26SEP07SEIVER","slug":"KXITFMATCH-26SEP07SEIVER","title":"Seifert vs Versloot","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-09-06T19:02:00Z","end_date":"2026-09-21T07:30:00Z","closed_time":"2026-09-07T08:40:53Z","volume":50903.21,"volume_24hr":50903.21,"volume_24h_change":null,"normalized_vol_24hr":39.23260498046875,"normalized_volume":31.95282554626465,"liquidity":null,"open_interest":38619.49,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26SEP07SEIVER","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Stefan Seifert","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":18884.57,"updated_at":"2026-09-07T08:49:14.376931Z","fetched_at":"2026-09-07T08:49:14.376931Z","added_at":"2026-09-06T19:05:24.821223Z","url":"https://kalshi.com/markets/kxitfmatch/seifert-vs-versloot/kxitfmatch-26sep07seiver","chart_24h":[0.0,30.0,43.41,68.49000000000001,178.31,251.44,253.44,288.96,510.16999999999996,510.27,2641.9700000000003,26235.050000000003,50903.21],"kind":"live","markets":[{"source":"kalshi","id":"KXITFMATCH-26SEP07SEIVER-SEI","event_id":"KXITFMATCH-26SEP07SEIVER","slug":"KXITFMATCH-26SEP07SEIVER-SEI","question":"Stefan Seifert wins","group_item_title":"Stefan Seifert","description":"If Stefan Seifert wins the Seifert vs Versloot professional tennis match in the 2026 M25 Plaisir + H Round of 32 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Seifert vs Versloot professional tennis match in the 2026 M25 Plaisir + H Round of 32 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), all markets will resolve to $0.50. If a player withdraws or forfeits after a match has started, that player will resolve to No. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.99,0.010000000000000009],"probability":0.99,"spread":1.0,"active":false,"closed":true,"start_date":"2026-09-06T19:02:00Z","end_date":"2026-09-21T07:30:00Z","closed_time":"2026-09-07T08:40:53Z","volume":18884.57,"volume_24hr":18884.57,"prob_24h_change":0.99,"volume_24h_change":18884.57,"normalized_vol_24hr":35.03443908691406,"normalized_volume":30.179536819458008,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-07T08:49:14.390200Z","fetched_at":"2026-09-07T08:49:14.390200Z","added_at":"2026-09-06T19:05:24.940563Z","url":"https://kalshi.com/markets/kxitfmatch/seifert-vs-versloot/kxitfmatch-26sep07seiver","event_title":"Seifert vs Versloot","chart_24h":[0.0,0.9,0.9,0.9,0.9,0.9,0.91,0.91,0.91,0.92,0.92,0.92,0.91,0.97,0.99]},{"source":"kalshi","id":"KXITFMATCH-26SEP07SEIVER-VER","event_id":"KXITFMATCH-26SEP07SEIVER","slug":"KXITFMATCH-26SEP07SEIVER-VER","question":"Yoav Versloot wins","group_item_title":"Yoav Versloot","description":"If Yoav Versloot wins the Seifert vs Versloot professional tennis match in the 2026 M25 Plaisir + H Round of 32 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Seifert vs Versloot professional tennis match in the 2026 M25 Plaisir + H Round of 32 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), all markets will resolve to $0.50. If a player withdraws or forfeits after a match has started, that player will resolve to No. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-09-06T19:02:00Z","end_date":"2026-09-21T07:30:00Z","closed_time":"2026-09-07T08:40:53Z","volume":32018.64,"volume_24hr":32018.64,"prob_24h_change":0.01,"volume_24h_change":32018.64,"normalized_vol_24hr":38.89226531982422,"normalized_volume":33.50276565551758,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-07T08:49:14.390200Z","fetched_at":"2026-09-07T08:49:14.390200Z","added_at":"2026-09-06T19:05:24.940563Z","url":"https://kalshi.com/markets/kxitfmatch/seifert-vs-versloot/kxitfmatch-26sep07seiver","event_title":"Seifert vs Versloot","chart_24h":[0.0,0.08,0.08,0.07,0.07,0.13,0.07,0.07,0.07,0.07,0.32,0.32,0.32,0.08,0.14,0.21,0.1,0.02,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXITFMATCH-26SEP07SEIVER","as_of":"2026-09-07T11:16:20.024543Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Seifert vs Versloot\" — top market at 1% probability across 2 outcomes","source_url":null}}