{"source":"gemini","id":"219622","ticker":"TENNIS-ATPUSO-20260830-TSI-FIL","slug":"stefanos-tsitsipas-vs-arthur-fils","title":"Stefanos Tsitsipas vs Arthur Fils","description":"Stefanos Tsitsipas vs Arthur Fils","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":true,"closed":false,"start_date":"2026-08-28T13:26:15.192000Z","end_date":"2026-09-01T03:00:00Z","closed_time":null,"volume":6062.32,"volume_24hr":6062.32,"volume_24h_change":null,"normalized_vol_24hr":60.01860809326172,"normalized_volume":47.85331726074219,"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":"Arthur Fils","top_outcome_probability":0.83,"top_outcome_prob_24h_change":0.029999999999999916,"top_outcome_volume_24h_change":null,"updated_at":"2026-08-31T05:17:21.922097Z","fetched_at":"2026-08-31T05:17:21.922097Z","added_at":"2026-08-28T13:42:48.360408Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSO-20260830-TSI-FIL/stefanos-tsitsipas-vs-arthur-fils","chart_24h":[20.6,6042.28,6062.32],"kind":"live","markets":[{"source":"gemini","id":"219622-527258","event_id":"219622","slug":"GEMI-TENNIS-ATPUSO-20260830-TSI-FIL-FIL","question":"Arthur Fils","group_item_title":"Arthur Fils","description":"This market resolves to Yes if Arthur Fils wins the tennis match between Arthur Fils and Stefanos Tsitsipas originally scheduled for August 30, 2026 at 11:00 AM ET. Otherwise, it will resolve 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/7rFibkECUoSzkz9Zulj7CF/0b7bf0a20e8d6939b02973f89704e354/077-france.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.83,0.21],"probability":0.83,"spread":0.04,"active":true,"closed":false,"start_date":"2026-08-31T05:00:00Z","end_date":"2026-09-01T03:00:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":0.029999999999999916,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-31T06:18:46.599376Z","fetched_at":"2026-08-31T06:18:46.599376Z","added_at":"2026-08-28T13:42:48.630648Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSO-20260830-TSI-FIL/stefanos-tsitsipas-vs-arthur-fils","event_title":"Stefanos Tsitsipas vs Arthur Fils","chart_24h":[0.8,0.81,0.81,0.82,0.82,0.83]},{"source":"gemini","id":"219622-527242","event_id":"219622","slug":"GEMI-TENNIS-ATPUSO-20260830-TSI-FIL-TSI","question":"Stefanos Tsitsipas","group_item_title":"Stefanos Tsitsipas","description":"This market resolves to Yes if Stefanos Tsitsipas wins the tennis match between Stefanos Tsitsipas and Arthur Fils originally scheduled for August 30, 2026 at 11:00 AM ET. Otherwise, it will resolve 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/RmB8CVNoL5XTCjN79yfIs/5fa1839972324ff480f9df0cd3865b8f/071-greece.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.21,0.83],"probability":0.21,"spread":0.04,"active":true,"closed":false,"start_date":"2026-08-31T05:00:00Z","end_date":"2026-09-01T03:00:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":-0.010000000000000009,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-31T06:18:46.599376Z","fetched_at":"2026-08-31T06:18:46.599376Z","added_at":"2026-08-28T13:42:48.630648Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSO-20260830-TSI-FIL/stefanos-tsitsipas-vs-arthur-fils","event_title":"Stefanos Tsitsipas vs Arthur Fils","chart_24h":[0.22,0.22,0.22,0.21,0.21,0.21]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/219622","as_of":"2026-08-31T07:18:37.169606Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Stefanos Tsitsipas vs Arthur Fils\" — top market at 83% probability across 2 outcomes","source_url":null}}