{"source":"gemini","id":"241423","ticker":"TENNIS-ATPUSODBL-20260910-BOLVAV-HARSKU","slug":"bolelli-vavassori-vs-harrison-skupski","title":"Bolelli / Vavassori vs Harrison / Skupski","description":"Bolelli / Vavassori vs Harrison / Skupski","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-09-09T10:02:37.409000Z","end_date":"2026-09-11T02:45:00Z","closed_time":null,"volume":8780.32,"volume_24hr":8780.32,"volume_24h_change":null,"normalized_vol_24hr":55.12630844116211,"normalized_volume":52.00950622558594,"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":"Christian Harrison / Neal Skupski","top_outcome_probability":0.91,"top_outcome_prob_24h_change":0.43000000000000005,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-10T04:23:50.786390Z","fetched_at":"2026-09-10T04:23:50.786390Z","added_at":"2026-09-09T10:19:56.877321Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSODBL-20260910-BOLVAV-HARSKU/bolelli-vavassori-vs-harrison-skupski","chart_24h":[0.0,10.04,820.67,8775.28,8780.32],"kind":"live","markets":[{"source":"gemini","id":"241423-593235","event_id":"241423","slug":"GEMI-TENNIS-ATPUSODBL-20260910-BOLVAV-HARSKU-HARSKU","question":"Christian Harrison / Neal Skupski","group_item_title":"Christian Harrison / Neal Skupski","description":"This market resolves to Yes if Christian Harrison / Neal Skupski wins the tennis match between Christian Harrison / Neal Skupski and Simone Bolelli / Andrea Vavassori scheduled for September 9, 2026 at 9:10 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":[0.91,0.03],"probability":0.91,"spread":0.05,"active":false,"closed":true,"start_date":"2026-09-09T09:00:00Z","end_date":"2026-09-11T02:45:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":0.43000000000000005,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-10T04:23:50.796222Z","fetched_at":"2026-09-10T04:23:50.796222Z","added_at":"2026-09-09T10:19:57.138581Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSODBL-20260910-BOLVAV-HARSKU/bolelli-vavassori-vs-harrison-skupski","event_title":"Bolelli / Vavassori vs Harrison / Skupski","chart_24h":[0.48,0.48,0.48,0.5,0.5,0.5,0.5,0.51,0.51,0.51,0.5,0.5,0.5,0.5,0.49,0.52,0.91,0.91]},{"source":"gemini","id":"241423-593234","event_id":"241423","slug":"GEMI-TENNIS-ATPUSODBL-20260910-BOLVAV-HARSKU-BOLVAV","question":"Simone Bolelli / Andrea Vavassori","group_item_title":"Simone Bolelli / Andrea Vavassori","description":"This market resolves to Yes if Simone Bolelli / Andrea Vavassori wins the tennis match between Simone Bolelli / Andrea Vavassori and Christian Harrison / Neal Skupski scheduled for September 9, 2026 at 9:10 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://images.ctfassets.net/jg6lo9a2ukvr/5mldNlYRCoRGpCHAIpiPMh/335a76cdd66837574b56d48284d29974/011-italy.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.03,0.94],"probability":0.03,"spread":0.05,"active":false,"closed":true,"start_date":"2026-09-09T09:00:00Z","end_date":"2026-09-11T02:45:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":-0.5399999999999999,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-10T04:23:50.796222Z","fetched_at":"2026-09-10T04:23:50.796222Z","added_at":"2026-09-09T10:19:57.138581Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSODBL-20260910-BOLVAV-HARSKU/bolelli-vavassori-vs-harrison-skupski","event_title":"Bolelli / Vavassori vs Harrison / Skupski","chart_24h":[0.57,0.57,0.52,0.52,0.52,0.52,0.51,0.52,0.52,0.52,0.53,0.52,0.53,0.53,0.53,0.54,0.54,0.55,0.03,0.03]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/241423","as_of":"2026-09-10T06:26:06.043582Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Bolelli / Vavassori vs Harrison / Skupski\" — top market at 91% probability across 2 outcomes","source_url":null}}