{"source":"gemini","id":"219630","ticker":"TENNIS-ATPUSO-20260830-SHE-GRI","slug":"ben-shelton-vs-tallon-griekspoor","title":"Ben Shelton vs Tallon Griekspoor","description":"Ben Shelton vs Tallon Griekspoor","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-08-28T13:26:48.563000Z","end_date":"2026-09-01T23:10:00Z","closed_time":"2026-09-01T01:57:08.445000Z","volume":10283.61,"volume_24hr":10282.61,"volume_24h_change":null,"normalized_vol_24hr":67.52010345458984,"normalized_volume":53.835453033447266,"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":"Ben Shelton","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.12,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-01T02:10:48.837476Z","fetched_at":"2026-09-01T02:10:48.837476Z","added_at":"2026-08-28T13:42:48.360408Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSO-20260830-SHE-GRI/ben-shelton-vs-tallon-griekspoor","chart_24h":[2.0,5213.64,6907.95,7507.08,10282.61,10282.61],"kind":"live","markets":[{"source":"gemini","id":"219630-527314","event_id":"219630","slug":"GEMI-TENNIS-ATPUSO-20260830-SHE-GRI-SHE","question":"Ben Shelton","group_item_title":"Ben Shelton","description":"This market resolves to Yes if Ben Shelton wins the tennis match between Ben Shelton and Tallon Griekspoor 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/enO9xnfkxGSdWrMuQ8f5I/4c82ff835d421bbc99f0e320a08f2088/153-united-states-of-america.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.04,"active":false,"closed":true,"start_date":"2026-08-31T05:00:00Z","end_date":"2026-09-01T23:10:00Z","closed_time":"2026-09-01T01:57:08.269000Z","volume":null,"volume_24hr":null,"prob_24h_change":0.12,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T02:10:48.848014Z","fetched_at":"2026-09-01T02:10:48.848014Z","added_at":"2026-08-28T13:42:48.630648Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSO-20260830-SHE-GRI/ben-shelton-vs-tallon-griekspoor","event_title":"Ben Shelton vs Tallon Griekspoor","chart_24h":[0.88,0.9,0.88,0.88,0.67,0.88,0.85,0.83,1.0]},{"source":"gemini","id":"219630-527316","event_id":"219630","slug":"GEMI-TENNIS-ATPUSO-20260830-SHE-GRI-GRI","question":"Tallon Griekspoor","group_item_title":"Tallon Griekspoor","description":"This market resolves to Yes if Tallon Griekspoor wins the tennis match between Tallon Griekspoor and Ben Shelton 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/7dm1i1EPReff6owK3eUu8C/ecf541ebabf52818ce0b050c52b51fbc/195-netherlands.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.04,"active":false,"closed":true,"start_date":"2026-08-31T05:00:00Z","end_date":"2026-09-01T23:10:00Z","closed_time":"2026-09-01T01:57:08.445000Z","volume":null,"volume_24hr":null,"prob_24h_change":-0.15,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-01T02:10:48.848014Z","fetched_at":"2026-09-01T02:10:48.848014Z","added_at":"2026-08-28T13:42:48.630648Z","url":"https://www.gemini.com/predictions/TENNIS-ATPUSO-20260830-SHE-GRI/ben-shelton-vs-tallon-griekspoor","event_title":"Ben Shelton vs Tallon Griekspoor","chart_24h":[0.15,0.14,0.14,0.36,0.16,0.2,0.03,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/219630","as_of":"2026-09-01T04:39:02.689833Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Ben Shelton vs Tallon Griekspoor\" — top market at 100% probability across 2 outcomes","source_url":null}}