{"source":"gemini","id":"241422","ticker":"TENNIS-ATPUSODBL-20260909-HELPAT-ANDGUI","slug":"heliovaara-patten-vs-andreozzi-guinard","title":"Heliovaara / Patten vs Andreozzi / Guinard","description":"Heliovaara / Patten vs Andreozzi / Guinard","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-09-09T10:02:30.752000Z","end_date":"2026-09-10T23:10:00Z","closed_time":"2026-09-10T01:34:25.313000Z","volume":2314.42,"volume_24hr":2314.42,"volume_24h_change":null,"normalized_vol_24hr":40.128841400146484,"normalized_volume":37.8599853515625,"liquidity":null,"open_interest":null,"categories":["Sports"],"tags":["US Open"],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Harri Heliovaara / Henry Patten","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.31999999999999995,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-10T01:50:04.484483Z","fetched_at":"2026-09-10T01:50:04.484483Z","added_at":"2026-09-09T10:19:56.877321Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSODBL-20260909-HELPAT-ANDGUI/heliovaara-patten-vs-andreozzi-guinard","chart_24h":[0.0,0.65,11.56,311.56,1033.49,2314.42],"kind":"live","markets":[{"source":"gemini","id":"241422-593232","event_id":"241422","slug":"GEMI-TENNIS-ATPUSODBL-20260909-HELPAT-ANDGUI-HELPAT","question":"Harri Heliovaara / Henry Patten","group_item_title":"Harri Heliovaara / Henry Patten","description":"This market resolves to Yes if Harri Heliovaara / Henry Patten wins the tennis match between Harri Heliovaara / Henry Patten and Guido Andreozzi / Manuel Guinard scheduled for September 9, 2026 at 7:00 PM ET. Otherwise, it resolves to No. The Underlying is the official result of the specified sporting event. Source Agencies, in order, are the tournament governing body (ATP, WTA, ITF), ESPN, Fox Sports, and the broadcast partner of the event. If the Expiration Value cannot be determined on the Expiration Date (including because the event is cancelled or a player forfeits, withdraws, or is disqualified), the Exchange may determine payouts pursuant to the Market Outcome Review Process. View the [full rules](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_1078aa92-c5fe-42cb-9491-466335816650.pdf)","image":"https://assets.gemini.com/predictions/images/NEU_8396a4cb-e255-4cef-9b51-362adb0ffa40.avif","icon":null,"outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.03,"active":false,"closed":true,"start_date":"2026-09-09T09:00:00Z","end_date":"2026-09-10T23:10:00Z","closed_time":"2026-09-10T01:34:25.069000Z","volume":null,"volume_24hr":null,"prob_24h_change":0.31999999999999995,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-10T01:50:04.545270Z","fetched_at":"2026-09-10T01:50:04.545270Z","added_at":"2026-09-09T10:19:57.138581Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSODBL-20260909-HELPAT-ANDGUI/heliovaara-patten-vs-andreozzi-guinard","event_title":"Heliovaara / Patten vs Andreozzi / Guinard","chart_24h":[0.68,0.68,0.68,0.68,0.67,0.67,0.67,0.67,0.67,0.68,0.68,0.67,0.68,0.7,0.72,0.42,0.68,1.0]},{"source":"gemini","id":"241422-593233","event_id":"241422","slug":"GEMI-TENNIS-ATPUSODBL-20260909-HELPAT-ANDGUI-ANDGUI","question":"Guido Andreozzi / Manuel Guinard","group_item_title":"Guido Andreozzi / Manuel Guinard","description":"This market resolves to Yes if Guido Andreozzi / Manuel Guinard wins the tennis match between Guido Andreozzi / Manuel Guinard and Harri Heliovaara / Henry Patten scheduled for September 9, 2026 at 7:00 PM ET. Otherwise, it resolves to No. The Underlying is the official result of the specified sporting event. Source Agencies, in order, are the tournament governing body (ATP, WTA, ITF), ESPN, Fox Sports, and the broadcast partner of the event. If the Expiration Value cannot be determined on the Expiration Date (including because the event is cancelled or a player forfeits, withdraws, or is disqualified), the Exchange may determine payouts pursuant to the Market Outcome Review Process. View the [full rules](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_1078aa92-c5fe-42cb-9491-466335816650.pdf)","image":"https://assets.gemini.com/predictions/images/NEU_8396a4cb-e255-4cef-9b51-362adb0ffa40.avif","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.03,"active":false,"closed":true,"start_date":"2026-09-09T09:00:00Z","end_date":"2026-09-10T23:10:00Z","closed_time":"2026-09-10T01:34:25.313000Z","volume":null,"volume_24hr":null,"prob_24h_change":-0.35,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-10T01:50:04.545270Z","fetched_at":"2026-09-10T01:50:04.545270Z","added_at":"2026-09-09T10:19:57.138581Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSODBL-20260909-HELPAT-ANDGUI/heliovaara-patten-vs-andreozzi-guinard","event_title":"Heliovaara / Patten vs Andreozzi / Guinard","chart_24h":[0.35,0.35,0.35,0.35,0.36,0.35,0.36,0.36,0.36,0.35,0.36,0.35,0.35,0.31,0.66,0.35,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/241422","as_of":"2026-09-10T04:41:08.975484Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Heliovaara / Patten vs Andreozzi / Guinard\" — top market at 100% probability across 2 outcomes","source_url":null}}