{"source":"gemini","id":"216991","ticker":"TENNIS-WTAUSO-20260827-BOL3-KOE","slug":"mariam-bolkvadze-vs-anouk-koevermans","title":"Mariam Bolkvadze vs Anouk Koevermans","description":"Mariam Bolkvadze vs Anouk Koevermans","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-08-27T01:35:31.310000Z","end_date":"2026-08-28T03:40:00Z","closed_time":null,"volume":5110.05,"volume_24hr":5110.05,"volume_24h_change":null,"normalized_vol_24hr":56.49102783203125,"normalized_volume":45.664920806884766,"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":"Anouk Koevermans","top_outcome_probability":0.97,"top_outcome_prob_24h_change":0.36,"top_outcome_volume_24h_change":null,"updated_at":"2026-08-27T19:11:43.068083Z","fetched_at":"2026-08-27T19:11:43.068083Z","added_at":"2026-08-27T01:43:03.596504Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260827-BOL3-KOE/mariam-bolkvadze-vs-anouk-koevermans","chart_24h":[0.0,10.05,5110.05,5110.05],"markets":[{"source":"gemini","id":"216991-521313","event_id":"216991","slug":"GEMI-TENNIS-WTAUSO-20260827-BOL3-KOE-KOE","question":"Anouk Koevermans","group_item_title":"Anouk Koevermans","description":"This market resolves to Yes if Anouk Koevermans wins the tennis match between Anouk Koevermans and Mariam Bolkvadze originally scheduled for August 27, 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_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/7dm1i1EPReff6owK3eUu8C/ecf541ebabf52818ce0b050c52b51fbc/195-netherlands.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.97,0.09],"probability":0.97,"spread":0.06,"active":false,"closed":true,"start_date":"2026-08-27T05:00:00Z","end_date":"2026-08-28T03:40:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":0.36,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-27T19:11:43.099180Z","fetched_at":"2026-08-27T19:11:43.099180Z","added_at":"2026-08-27T01:43:04.124071Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260827-BOL3-KOE/mariam-bolkvadze-vs-anouk-koevermans","event_title":"Mariam Bolkvadze vs Anouk Koevermans","chart_24h":[0.61,0.61,0.61,0.61,0.62,0.62,0.64,0.63,0.63,0.62,0.63,0.83,0.97,0.99,0.97]},{"source":"gemini","id":"216991-521312","event_id":"216991","slug":"GEMI-TENNIS-WTAUSO-20260827-BOL3-KOE-BOL3","question":"Mariam Bolkvadze","group_item_title":"Mariam Bolkvadze","description":"This market resolves to Yes if Mariam Bolkvadze wins the tennis match between Mariam Bolkvadze and Anouk Koevermans originally scheduled for August 27, 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_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/4GjfFm5j3mPpCIyEXyVQuu/0f59ebe420c9356464f18085c1f89395/256-georgia.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.1,0.97],"probability":0.1,"spread":0.07,"active":false,"closed":true,"start_date":"2026-08-27T05:00:00Z","end_date":"2026-08-28T03:40:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":-0.32999999999999996,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-27T19:11:43.099180Z","fetched_at":"2026-08-27T19:11:43.099180Z","added_at":"2026-08-27T01:43:04.124071Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260827-BOL3-KOE/mariam-bolkvadze-vs-anouk-koevermans","event_title":"Mariam Bolkvadze vs Anouk Koevermans","chart_24h":[0.43,0.43,0.42,0.43,0.41,0.41,0.41,0.4,0.4,0.4,0.41,0.4,0.25,0.09,0.1,0.02,0.1]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/216991","as_of":"2026-08-27T20:41:21.132721Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Mariam Bolkvadze vs Anouk Koevermans\" — top market at 97% probability across 2 outcomes","source_url":null}}