{"source":"kalshi","id":"KXATPDOUBLES-26SEP05BOLVAVHALHER","ticker":"KXATPDOUBLES-26SEP05BOLVAVHALHER","slug":"KXATPDOUBLES-26SEP05BOLVAVHALHER","title":"Bolelli / Vavassori vs Halys / Herbert P-H","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-03T00:25:00Z","end_date":"2026-09-19T15:00:00Z","closed_time":null,"volume":2279.3199999999997,"volume_24hr":2279.3199999999997,"volume_24h_change":null,"normalized_vol_24hr":20.109054565429688,"normalized_volume":16.27719497680664,"liquidity":null,"open_interest":2279.3199999999997,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26SEP05BOLVAVHALHER","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Simone Bolelli / Andrea Vavassori","top_outcome_probability":0.61,"top_outcome_prob_24h_change":0.61,"top_outcome_volume_24h_change":2182.14,"updated_at":"2026-09-04T21:33:47.664451Z","fetched_at":"2026-09-04T21:33:47.664451Z","added_at":"2026-09-03T00:44:08.112944Z","url":"https://kalshi.com/markets/kxatpdoubles/bolelli-vavassori-vs-halys-herbert-p-h/kxatpdoubles-26sep05bolvavhalher","chart_24h":[230.0,234.0,643.0,643.0,679.05,761.43,761.43,914.83,1077.83,1077.83,1158.89,1635.64,2279.3199999999997],"kind":"live","markets":[{"source":"kalshi","id":"KXATPDOUBLES-26SEP05BOLVAVHALHER-BOLVAV","event_id":"KXATPDOUBLES-26SEP05BOLVAVHALHER","slug":"KXATPDOUBLES-26SEP05BOLVAVHALHER-BOLVAV","question":"Simone Bolelli / Andrea Vavassori wins","group_item_title":"Simone Bolelli / Andrea Vavassori","description":"If Simone Bolelli / Andrea Vavassori wins the Bolelli / Vavassori vs Halys / Herbert P-H professional tennis match in the 2026 US Open Men Doubles Round Of 64 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Bolelli / Vavassori vs Halys / Herbert P-H professional tennis match in the 2026 US Open Men Doubles Round Of 64 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), the market will resolve to a fair price in accordance with the rules. 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":[0.61,0.39],"probability":0.61,"spread":0.14,"active":true,"closed":false,"start_date":"2026-09-03T00:25:00Z","end_date":"2026-09-19T15:00:00Z","closed_time":"2026-09-19T15:00:00Z","volume":2182.14,"volume_24hr":2182.14,"prob_24h_change":0.61,"volume_24h_change":2182.14,"normalized_vol_24hr":21.405073165893555,"normalized_volume":18.40199089050293,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-04T21:33:47.752295Z","fetched_at":"2026-09-04T21:33:47.752295Z","added_at":"2026-09-03T00:44:08.239935Z","url":"https://kalshi.com/markets/kxatpdoubles/bolelli-vavassori-vs-halys-herbert-p-h/kxatpdoubles-26sep05bolvavhalher","event_title":"Bolelli / Vavassori vs Halys / Herbert P-H","chart_24h":[0.0,0.0,0.62,0.62,0.62,0.62,0.62,0.59,0.59,0.59,0.59,0.59,0.59,0.58,0.59,0.59,0.6,0.6,0.62,0.61]},{"source":"kalshi","id":"KXATPDOUBLES-26SEP05BOLVAVHALHER-HALHER","event_id":"KXATPDOUBLES-26SEP05BOLVAVHALHER","slug":"KXATPDOUBLES-26SEP05BOLVAVHALHER-HALHER","question":"Quentin Halys / Pierre-Hugues Herbert wins","group_item_title":"Quentin Halys / Pierre-Hugues Herbert","description":"If Quentin Halys / Pierre-Hugues Herbert wins the Bolelli / Vavassori vs Halys / Herbert P-H professional tennis match in the 2026 US Open Men Doubles Round Of 64 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Bolelli / Vavassori vs Halys / Herbert P-H professional tennis match in the 2026 US Open Men Doubles Round Of 64 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), the market will resolve to a fair price in accordance with the rules. 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":[0.43,0.5700000000000001],"probability":0.43,"spread":0.08000000000000002,"active":true,"closed":false,"start_date":"2026-09-03T00:25:00Z","end_date":"2026-09-19T15:00:00Z","closed_time":"2026-09-19T15:00:00Z","volume":97.18,"volume_24hr":97.18,"prob_24h_change":0.43,"volume_24h_change":97.18,"normalized_vol_24hr":7.618182182312012,"normalized_volume":6.5493693351745605,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-04T21:33:47.752295Z","fetched_at":"2026-09-04T21:33:47.752295Z","added_at":"2026-09-03T00:44:08.239935Z","url":"https://kalshi.com/markets/kxatpdoubles/bolelli-vavassori-vs-halys-herbert-p-h/kxatpdoubles-26sep05bolvavhalher","event_title":"Bolelli / Vavassori vs Halys / Herbert P-H","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.4,0.4,0.4,0.4,0.4,0.43]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPDOUBLES-26SEP05BOLVAVHALHER","as_of":"2026-09-04T21:44:52.269079Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Bolelli / Vavassori vs Halys / Herbert P-H\" — top market at 61% probability across 2 outcomes","source_url":null}}