{"source":"kalshi","id":"KXITFWMATCH-26SEP02COSSID","ticker":"KXITFWMATCH-26SEP02COSSID","slug":"KXITFWMATCH-26SEP02COSSID","title":"Costoulas vs Sidorova","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-09-02T11:12:00Z","end_date":"2026-09-17T03:00:00Z","closed_time":"2026-09-03T05:52:37Z","volume":78063.34,"volume_24hr":78063.34,"volume_24h_change":null,"normalized_vol_24hr":47.419803619384766,"normalized_volume":34.55819320678711,"liquidity":null,"open_interest":62870.630000000005,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26SEP02COSSID","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Sofia Costoulas","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":43469.38,"updated_at":"2026-09-03T06:01:17.319347Z","fetched_at":"2026-09-03T06:01:17.319347Z","added_at":"2026-09-02T11:16:19.121257Z","url":"https://kalshi.com/markets/kxitfwmatch/costoulas-vs-sidorova/kxitfwmatch-26sep02cossid","chart_24h":[0.0,0.0,1.0,185.0,218.0,219.36,901.35,1053.67,1067.03,39280.89,78063.34],"kind":"live","markets":[{"source":"kalshi","id":"KXITFWMATCH-26SEP02COSSID-COS","event_id":"KXITFWMATCH-26SEP02COSSID","slug":"KXITFWMATCH-26SEP02COSSID-COS","question":"Sofia Costoulas wins","group_item_title":"Sofia Costoulas","description":"If Sofia Costoulas wins the Costoulas vs Sidorova professional tennis match in the 2026 W75 Tianjin Round of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Costoulas vs Sidorova professional tennis match in the 2026 W75 Tianjin Round of 16 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":"2026-09-02T11:12:00Z","end_date":"2026-09-17T03:00:00Z","closed_time":"2026-09-03T05:52:37Z","volume":43469.38,"volume_24hr":43469.38,"prob_24h_change":0.99,"volume_24h_change":43469.38,"normalized_vol_24hr":45.301025390625,"normalized_volume":35.50654983520508,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-03T06:01:17.329432Z","fetched_at":"2026-09-03T06:01:17.329432Z","added_at":"2026-09-02T11:16:19.256276Z","url":"https://kalshi.com/markets/kxitfwmatch/costoulas-vs-sidorova/kxitfwmatch-26sep02cossid","event_title":"Costoulas vs Sidorova","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.9,0.99]},{"source":"kalshi","id":"KXITFWMATCH-26SEP02COSSID-SID","event_id":"KXITFWMATCH-26SEP02COSSID","slug":"KXITFWMATCH-26SEP02COSSID-SID","question":"Kristiana Sidorova wins","group_item_title":"Kristiana Sidorova","description":"If Kristiana Sidorova wins the Costoulas vs Sidorova professional tennis match in the 2026 W75 Tianjin Round of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Costoulas vs Sidorova professional tennis match in the 2026 W75 Tianjin Round of 16 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":"2026-09-02T11:12:00Z","end_date":"2026-09-17T03:00:00Z","closed_time":"2026-09-03T05:52:37Z","volume":34593.96,"volume_24hr":34593.96,"prob_24h_change":0.01,"volume_24h_change":34593.96,"normalized_vol_24hr":43.38435363769531,"normalized_volume":34.00428009033203,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-03T06:01:17.329432Z","fetched_at":"2026-09-03T06:01:17.329432Z","added_at":"2026-09-02T11:16:19.256276Z","url":"https://kalshi.com/markets/kxitfwmatch/costoulas-vs-sidorova/kxitfwmatch-26sep02cossid","event_title":"Costoulas vs Sidorova","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.31,0.3,0.3,0.13,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXITFWMATCH-26SEP02COSSID","as_of":"2026-09-03T07:29:15.435731Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Costoulas vs Sidorova\" — top market at 99% probability across 2 outcomes","source_url":null}}