{"source":"gemini","id":"242526","ticker":"TENNIS-WTAUSO-20260911-GAU-RYB","slug":"coco-gauff-vs-elena-rybakina","title":"Coco Gauff vs Elena Rybakina","description":"Coco Gauff vs Elena Rybakina","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":true,"closed":false,"start_date":"2026-09-10T00:00:07.295000Z","end_date":"2026-09-12T00:50:00Z","closed_time":null,"volume":11711.28,"volume_24hr":11711.28,"volume_24h_change":null,"normalized_vol_24hr":58.67875289916992,"normalized_volume":55.28565979003906,"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":"Elena Rybakina","top_outcome_probability":0.54,"top_outcome_prob_24h_change":0.020000000000000018,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-11T00:45:08.671114Z","fetched_at":"2026-09-11T00:45:08.671114Z","added_at":"2026-09-10T05:06:39.014557Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260911-GAU-RYB/coco-gauff-vs-elena-rybakina","chart_24h":[0.0,15.75,152.75,172.61,315.83,344.81,497.34,514.7,1057.61,1085.51,1093.23,1506.85,2582.31,7339.53,8776.12,10666.14,11711.28],"kind":"live","markets":[{"source":"gemini","id":"242526-596912","event_id":"242526","slug":"GEMI-TENNIS-WTAUSO-20260911-GAU-RYB-RYB","question":"Elena Rybakina","group_item_title":"Elena Rybakina","description":"This market resolves to Yes if Elena Rybakina wins the tennis match between Elena Rybakina and Coco Gauff originally scheduled for September 10, 2026 at 8:10 PM 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_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/65pgSjpCfMo3FjSy5O42Nw/bd7d0c02ad4ed7a231d3546996655a06/034-kazakhstan.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.54,0.5],"probability":0.54,"spread":0.04,"active":true,"closed":false,"start_date":"2026-09-10T05:00:00Z","end_date":"2026-09-12T00:50:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":0.020000000000000018,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-11T00:23:29.625593Z","fetched_at":"2026-09-11T00:23:29.625593Z","added_at":"2026-09-10T05:06:39.212984Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260911-GAU-RYB/coco-gauff-vs-elena-rybakina","event_title":"Coco Gauff vs Elena Rybakina","chart_24h":[0.52,0.52,0.53,0.53,0.53,0.52,0.54,0.53,0.53,0.53,0.53,0.53,0.54]},{"source":"gemini","id":"242526-596911","event_id":"242526","slug":"GEMI-TENNIS-WTAUSO-20260911-GAU-RYB-GAU","question":"Coco Gauff","group_item_title":"Coco Gauff","description":"This market resolves to Yes if Coco Gauff wins the tennis match between Coco Gauff and Elena Rybakina originally scheduled for September 10, 2026 at 8:10 PM 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_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/enO9xnfkxGSdWrMuQ8f5I/4c82ff835d421bbc99f0e320a08f2088/153-united-states-of-america.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.5,0.53],"probability":0.5,"spread":0.03,"active":true,"closed":false,"start_date":"2026-09-10T05:00:00Z","end_date":"2026-09-12T00:50:00Z","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":"2026-09-11T00:45:08.920927Z","fetched_at":"2026-09-11T00:45:08.920927Z","added_at":"2026-09-10T05:06:39.212984Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260911-GAU-RYB/coco-gauff-vs-elena-rybakina","event_title":"Coco Gauff vs Elena Rybakina","chart_24h":[0.51,0.5,0.49,0.49,0.5,0.5,0.5,0.5,0.5]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/242526","as_of":"2026-09-11T01:02:06.716264Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Coco Gauff vs Elena Rybakina\" — top market at 54% probability across 2 outcomes","source_url":null}}