{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/kalshi/KXATPDOUBLES-26NOV07HELPATHALHER","as_of":"2026-11-07T11:56:15.214247Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert\" — \"Harri Heliovaara / Henry Patten\" leads at 62% across 2 outcomes as of 2026-11-07 UTC. https://pdata.world/events/kalshi/KXATPDOUBLES-26NOV07HELPATHALHER","source_url":"https://kalshi.com/markets/kxatpdoubles/harri-heliovaara-henry-patten-vs-quentin-halys-pierre-hugues-herbert/kxatpdoubles-26nov07helpathalher"},"source":"kalshi","id":"KXATPDOUBLES-26NOV07HELPATHALHER","ticker":"KXATPDOUBLES-26NOV07HELPATHALHER","slug":"KXATPDOUBLES-26NOV07HELPATHALHER","title":"Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-11-06T19:55:00Z","end_date":"2026-11-21T17:30:00Z","closed_time":null,"volume":4760.7,"volume_24hr":4760.7,"volume_24h_change":null,"normalized_vol_24hr":23.356517791748047,"normalized_volume":18.964496612548828,"liquidity":null,"open_interest":4611.02,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26NOV07HELPATHALHER","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Harri Heliovaara / Henry Patten","top_outcome_probability":0.62,"top_outcome_prob_24h_change":0.62,"top_outcome_volume_24h_change":4558.0,"updated_at":"2026-11-07T10:52:47.736412Z","fetched_at":"2026-11-07T10:52:47.736412Z","added_at":"2026-11-06T20:04:54.008024Z","url":"https://kalshi.com/markets/kxatpdoubles/harri-heliovaara-henry-patten-vs-quentin-halys-pierre-hugues-herbert/kxatpdoubles-26nov07helpathalher","chart_24h":[0.0,2.13,6.31,29.33,262.73,272.73,274.37,289.81,310.88,4760.7],"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXATPDOUBLES-26NOV07HELPATHALHER-HELPAT","event_id":"KXATPDOUBLES-26NOV07HELPATHALHER","slug":"KXATPDOUBLES-26NOV07HELPATHALHER-HELPAT","question":"Harri Heliovaara / Henry Patten wins","group_item_title":"Harri Heliovaara / Henry Patten","description":"If Harri Heliovaara / Henry Patten wins the Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert professional tennis match in the 2026 ATP Paris Semi Finals after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert professional tennis match in the 2026 ATP Paris Semi Finals 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":[0.62,0.38],"probability":0.62,"spread":0.030000000000000027,"active":true,"closed":false,"start_date":"2026-11-06T19:55:00Z","end_date":"2026-11-21T17:30:00Z","closed_time":"2026-11-21T17:30:00Z","result":null,"volume":4558.0,"volume_24hr":4558.0,"prob_24h_change":0.62,"volume_24h_change":4558.0,"normalized_vol_24hr":25.807987213134766,"normalized_volume":19.913698196411133,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-11-07T11:22:26.185991Z","fetched_at":"2026-11-07T11:22:26.185991Z","added_at":"2026-11-06T20:04:54.092259Z","url":"https://kalshi.com/markets/kxatpdoubles/harri-heliovaara-henry-patten-vs-quentin-halys-pierre-hugues-herbert/kxatpdoubles-26nov07helpathalher","event_title":"Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert","chart_24h":[0.0,0.0,0.93,0.93,0.93,0.93,0.93,0.56,0.56,0.56,0.59,0.57,0.61,0.62,0.62]},{"source":"kalshi","id":"KXATPDOUBLES-26NOV07HELPATHALHER-HALHER","event_id":"KXATPDOUBLES-26NOV07HELPATHALHER","slug":"KXATPDOUBLES-26NOV07HELPATHALHER-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 Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert professional tennis match in the 2026 ATP Paris Semi Finals after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert professional tennis match in the 2026 ATP Paris Semi Finals 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":[0.4,0.6],"probability":0.4,"spread":0.019999999999999962,"active":true,"closed":false,"start_date":"2026-11-06T19:55:00Z","end_date":"2026-11-21T17:30:00Z","closed_time":"2026-11-21T17:30:00Z","result":null,"volume":202.7,"volume_24hr":202.7,"prob_24h_change":0.4,"volume_24h_change":202.7,"normalized_vol_24hr":10.277908325195312,"normalized_volume":7.930535793304443,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-11-07T11:22:26.185991Z","fetched_at":"2026-11-07T11:22:26.185991Z","added_at":"2026-11-06T20:04:54.092259Z","url":"https://kalshi.com/markets/kxatpdoubles/harri-heliovaara-henry-patten-vs-quentin-halys-pierre-hugues-herbert/kxatpdoubles-26nov07helpathalher","event_title":"Harri Heliovaara / Henry Patten vs Quentin Halys / Pierre-Hugues Herbert","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.46,0.94,0.46,0.46,0.48,0.46,0.46,0.4,0.4]}]}