{"source":"kalshi","id":"KXATPDOUBLES-26SEP10HELPATHARSKU","ticker":"KXATPDOUBLES-26SEP10HELPATHARSKU","slug":"KXATPDOUBLES-26SEP10HELPATHARSKU","title":"Heliovaara / Patten vs Harrison / Skupski","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-09-10T04:25:00Z","end_date":"2026-09-24T21:10:00Z","closed_time":null,"volume":1759.59,"volume_24hr":1759.59,"volume_24h_change":null,"normalized_vol_24hr":17.582138061523438,"normalized_volume":15.177425384521484,"liquidity":null,"open_interest":1515.27,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26SEP10HELPATHARSKU","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Harri Heliovaara / Henry Patten","top_outcome_probability":0.6,"top_outcome_prob_24h_change":0.6,"top_outcome_volume_24h_change":1310.5,"updated_at":"2026-09-10T18:14:26.156335Z","fetched_at":"2026-09-10T18:14:26.156335Z","added_at":"2026-09-10T04:26:58.910614Z","url":"https://kalshi.com/markets/kxatpdoubles/heliovaara-patten-vs-harrison-skupski/kxatpdoubles-26sep10helpatharsku","chart_24h":[0.0,67.12,83.07,466.06999999999994,691.79,724.69,872.03,898.0799999999999,1029.77,1086.78,1209.42,1642.72,1701.04],"kind":"live","markets":[{"source":"kalshi","id":"KXATPDOUBLES-26SEP10HELPATHARSKU-HELPAT","event_id":"KXATPDOUBLES-26SEP10HELPATHARSKU","slug":"KXATPDOUBLES-26SEP10HELPATHARSKU-HELPAT","question":"Harri Heliovaara / Henry Patten wins","group_item_title":"Harri Heliovaara / Henry Patten","description":"If Harri Heliovaara / Henry Patten wins the Heliovaara / Patten vs Harrison / Skupski professional tennis match in the 2026 US Open Men Doubles Semifinal after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Heliovaara / Patten vs Harrison / Skupski professional tennis match in the 2026 US Open Men Doubles Semifinal 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":[0.6,0.4],"probability":0.6,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-09-10T04:25:00Z","end_date":"2026-09-24T21:10:00Z","closed_time":"2026-09-24T21:10:00Z","volume":1310.5,"volume_24hr":1310.5,"prob_24h_change":0.6,"volume_24h_change":1310.5,"normalized_vol_24hr":17.449264526367188,"normalized_volume":16.043474197387695,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-10T17:46:24.971335Z","fetched_at":"2026-09-10T17:46:24.971335Z","added_at":"2026-09-10T04:26:59.031117Z","url":"https://kalshi.com/markets/kxatpdoubles/heliovaara-patten-vs-harrison-skupski/kxatpdoubles-26sep10helpatharsku","event_title":"Heliovaara / Patten vs Harrison / Skupski","chart_24h":[0.0,0.0,0.46,0.46,0.46,0.46,0.61,0.61,0.6,0.61,0.61,0.6,0.6,0.6,0.6,0.6,0.6,0.6]},{"source":"kalshi","id":"KXATPDOUBLES-26SEP10HELPATHARSKU-HARSKU","event_id":"KXATPDOUBLES-26SEP10HELPATHARSKU","slug":"KXATPDOUBLES-26SEP10HELPATHARSKU-HARSKU","question":"Christian Harrison / Neal Skupski wins","group_item_title":"Christian Harrison / Neal Skupski","description":"If Christian Harrison / Neal Skupski wins the Heliovaara / Patten vs Harrison / Skupski professional tennis match in the 2026 US Open Men Doubles Semifinal after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Heliovaara / Patten vs Harrison / Skupski professional tennis match in the 2026 US Open Men Doubles Semifinal 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":[0.41,0.5900000000000001],"probability":0.41,"spread":0.009999999999999953,"active":true,"closed":false,"start_date":"2026-09-10T04:25:00Z","end_date":"2026-09-24T21:10:00Z","closed_time":"2026-09-24T21:10:00Z","volume":449.09,"volume_24hr":449.09,"prob_24h_change":0.41,"volume_24h_change":449.09,"normalized_vol_24hr":12.63752269744873,"normalized_volume":11.619388580322266,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-10T18:14:26.307927Z","fetched_at":"2026-09-10T18:14:26.307927Z","added_at":"2026-09-10T04:26:59.031117Z","url":"https://kalshi.com/markets/kxatpdoubles/heliovaara-patten-vs-harrison-skupski/kxatpdoubles-26sep10helpatharsku","event_title":"Heliovaara / Patten vs Harrison / Skupski","chart_24h":[0.0,0.0,0.34,0.34,0.34,0.34,0.34,0.34,0.39,0.39,0.41,0.41,0.41,0.41,0.41]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPDOUBLES-26SEP10HELPATHARSKU","as_of":"2026-09-10T18:27:32.939728Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Heliovaara / Patten vs Harrison / Skupski\" — top market at 60% probability across 2 outcomes","source_url":null}}