{"_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-26OCT25HELPATKRAMEK","as_of":"2026-10-28T19:41:28.446564Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Heliovaara / Patten vs Krajicek / Mektic\" — resolved: \"Harri Heliovaara / Henry Patten\" (closed 2026-10-28). https://pdata.world/events/kalshi/KXATPDOUBLES-26OCT25HELPATKRAMEK","source_url":"https://kalshi.com/markets/kxatpdoubles/heliovaara-patten-vs-krajicek-mektic/kxatpdoubles-26oct25helpatkramek"},"source":"kalshi","id":"KXATPDOUBLES-26OCT25HELPATKRAMEK","ticker":"KXATPDOUBLES-26OCT25HELPATKRAMEK","slug":"KXATPDOUBLES-26OCT25HELPATKRAMEK","title":"Heliovaara / Patten vs Krajicek / Mektic","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-10-24T13:26:00Z","end_date":"2026-11-08T09:00:00Z","closed_time":"2026-10-28T18:09:56Z","volume":75153.73999999999,"volume_24hr":75093.39,"volume_24h_change":null,"normalized_vol_24hr":40.34023666381836,"normalized_volume":33.735252380371094,"liquidity":null,"open_interest":32746.92,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26OCT25HELPATKRAMEK","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Harri Heliovaara / Henry Patten","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.37,"top_outcome_volume_24h_change":55695.58,"updated_at":"2026-10-28T18:25:09.308145Z","fetched_at":"2026-10-28T18:25:09.308145Z","added_at":"2026-10-24T13:34:30.919838Z","url":"https://kalshi.com/markets/kxatpdoubles/heliovaara-patten-vs-krajicek-mektic/kxatpdoubles-26oct25helpatkramek","chart_24h":[10.97,12.54,12.54,27.53,1566.8200000000002,2179.07,11099.669999999998,51093.97,75093.39],"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXATPDOUBLES-26OCT25HELPATKRAMEK-HELPAT","event_id":"KXATPDOUBLES-26OCT25HELPATKRAMEK","slug":"KXATPDOUBLES-26OCT25HELPATKRAMEK-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 Krajicek / Mektic professional tennis match in the 2026 ATP Vienna Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Heliovaara / Patten vs Krajicek / Mektic professional tennis match in the 2026 ATP Vienna 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), 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":"2026-10-24T13:26:00Z","end_date":"2026-11-08T09:00:00Z","closed_time":"2026-10-28T18:09:56Z","result":"yes","volume":55709.67,"volume_24hr":55706.55,"prob_24h_change":0.37,"volume_24h_change":55695.58,"normalized_vol_24hr":41.463836669921875,"normalized_volume":37.17533874511719,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-28T18:25:09.319943Z","fetched_at":"2026-10-28T18:25:09.319943Z","added_at":"2026-10-24T13:34:31.045819Z","url":"https://kalshi.com/markets/kxatpdoubles/heliovaara-patten-vs-krajicek-mektic/kxatpdoubles-26oct25helpatkramek","event_title":"Heliovaara / Patten vs Krajicek / Mektic","chart_24h":[0.62,0.62,0.62,0.62,0.6,0.6,0.64,0.64,0.64,0.51,0.59,0.99]},{"source":"kalshi","id":"KXATPDOUBLES-26OCT25HELPATKRAMEK-KRAMEK","event_id":"KXATPDOUBLES-26OCT25HELPATKRAMEK","slug":"KXATPDOUBLES-26OCT25HELPATKRAMEK-KRAMEK","question":"Austin Krajicek / Nikola Mektic wins","group_item_title":"Austin Krajicek / Nikola Mektic","description":"If Austin Krajicek / Nikola Mektic wins the Heliovaara / Patten vs Krajicek / Mektic professional tennis match in the 2026 ATP Vienna Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Heliovaara / Patten vs Krajicek / Mektic professional tennis match in the 2026 ATP Vienna 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), 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":"2026-10-24T13:26:00Z","end_date":"2026-11-08T09:00:00Z","closed_time":"2026-10-28T18:09:56Z","result":"no","volume":19444.07,"volume_24hr":19386.84,"prob_24h_change":-0.36,"volume_24h_change":19386.84,"normalized_vol_24hr":33.841060638427734,"normalized_volume":30.35877799987793,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-28T18:25:09.319943Z","fetched_at":"2026-10-28T18:25:09.319943Z","added_at":"2026-10-24T13:34:31.045819Z","url":"https://kalshi.com/markets/kxatpdoubles/heliovaara-patten-vs-krajicek-mektic/kxatpdoubles-26oct25helpatkramek","event_title":"Heliovaara / Patten vs Krajicek / Mektic","chart_24h":[0.37,0.37,0.39,0.39,0.39,0.39,0.4,0.48,0.4,0.01]}]}