{"source":"kalshi","id":"KXATPDOUBLES-26SEP04DAMMCDCHODON","ticker":"KXATPDOUBLES-26SEP04DAMMCDCHODON","slug":"KXATPDOUBLES-26SEP04DAMMCDCHODON","title":"Damm / McDonald vs Choinski / Donski","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-09-04T02:45:00Z","end_date":"2026-09-18T19:10:00Z","closed_time":"2026-09-04T22:40:23Z","volume":143275.61,"volume_24hr":143275.61,"volume_24h_change":null,"normalized_vol_24hr":47.509395599365234,"normalized_volume":38.377315521240234,"liquidity":null,"open_interest":100371.42,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26SEP04DAMMCDCHODON","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Jan Choinski / Alexander Donski","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":71381.44,"updated_at":"2026-09-04T22:53:24.167690Z","fetched_at":"2026-09-04T22:53:24.167690Z","added_at":"2026-09-04T02:47:12.922150Z","url":"https://kalshi.com/markets/kxatpdoubles/damm-mcdonald-vs-choinski-donski/kxatpdoubles-26sep04dammcdchodon","chart_24h":[0.0,93.69,152.35,201.83,203.42000000000002,215.36,16102.989999999998,36989.54,88473.48000000001,143275.61],"kind":"live","markets":[{"source":"kalshi","id":"KXATPDOUBLES-26SEP04DAMMCDCHODON-CHODON","event_id":"KXATPDOUBLES-26SEP04DAMMCDCHODON","slug":"KXATPDOUBLES-26SEP04DAMMCDCHODON-CHODON","question":"Jan Choinski / Alexander Donski wins","group_item_title":"Jan Choinski / Alexander Donski","description":"If Jan Choinski / Alexander Donski wins the Damm / McDonald vs Choinski / Donski 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 Damm / McDonald vs Choinski / Donski 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":[0.99,0.010000000000000009],"probability":0.99,"spread":1.0,"active":false,"closed":true,"start_date":"2026-09-04T02:45:00Z","end_date":"2026-09-18T19:10:00Z","closed_time":"2026-09-04T22:40:23Z","volume":71381.44,"volume_24hr":71381.44,"prob_24h_change":0.99,"volume_24h_change":71381.44,"normalized_vol_24hr":45.300716400146484,"normalized_volume":38.880977630615234,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-04T22:53:24.178277Z","fetched_at":"2026-09-04T22:53:24.178277Z","added_at":"2026-09-04T02:47:12.993904Z","url":"https://kalshi.com/markets/kxatpdoubles/damm-mcdonald-vs-choinski-donski/kxatpdoubles-26sep04dammcdchodon","event_title":"Damm / McDonald vs Choinski / Donski","chart_24h":[0.0,0.0,0.0,0.0,0.41,0.41,0.36,0.36,0.36,0.41,0.4,0.73,0.99,0.99]},{"source":"kalshi","id":"KXATPDOUBLES-26SEP04DAMMCDCHODON-DAMMCD","event_id":"KXATPDOUBLES-26SEP04DAMMCDCHODON","slug":"KXATPDOUBLES-26SEP04DAMMCDCHODON-DAMMCD","question":"Martin Damm Jr / Mackenzie McDonald wins","group_item_title":"Martin Damm Jr / Mackenzie McDonald","description":"If Martin Damm Jr / Mackenzie McDonald wins the Damm / McDonald vs Choinski / Donski 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 Damm / McDonald vs Choinski / Donski 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":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-09-04T02:45:00Z","end_date":"2026-09-18T19:10:00Z","closed_time":"2026-09-04T22:40:23Z","volume":71894.17,"volume_24hr":71894.17,"prob_24h_change":0.01,"volume_24h_change":71894.17,"normalized_vol_24hr":45.35875701904297,"normalized_volume":38.93079376220703,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-04T22:53:24.178277Z","fetched_at":"2026-09-04T22:53:24.178277Z","added_at":"2026-09-04T02:47:12.993904Z","url":"https://kalshi.com/markets/kxatpdoubles/damm-mcdonald-vs-choinski-donski/kxatpdoubles-26sep04dammcdchodon","event_title":"Damm / McDonald vs Choinski / Donski","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.61,0.61,0.61,0.61,0.65,0.29,0.03,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPDOUBLES-26SEP04DAMMCDCHODON","as_of":"2026-09-05T01:34:57.218431Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Damm / McDonald vs Choinski / Donski\" — top market at 1% probability across 2 outcomes","source_url":null}}