{"source":"gemini","id":"216999","ticker":"TENNIS-WTAUSO-20260827-ZID-AND6","slug":"tamara-zidansek-vs-bianca-vanessa-andreescu","title":"Tamara Zidansek vs Bianca Vanessa Andreescu","description":"Tamara Zidansek vs Bianca Vanessa Andreescu","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":true,"closed":false,"start_date":"2026-08-27T01:36:24.973000Z","end_date":"2026-08-28T21:00:00Z","closed_time":null,"volume":1041.09,"volume_24hr":1041.09,"volume_24h_change":null,"normalized_vol_24hr":39.310848236083984,"normalized_volume":30.240917205810547,"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":"Bianca Vanessa Andreescu","top_outcome_probability":0.9,"top_outcome_prob_24h_change":0.12,"top_outcome_volume_24h_change":null,"updated_at":"2026-08-28T02:12:43.609988Z","fetched_at":"2026-08-28T02:12:43.609988Z","added_at":"2026-08-27T01:43:03.596504Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260827-ZID-AND6/tamara-zidansek-vs-bianca-vanessa-andreescu","chart_24h":[5.11,15.15,1015.15,1040.09,1041.09],"markets":[{"source":"gemini","id":"216999-521329","event_id":"216999","slug":"GEMI-TENNIS-WTAUSO-20260827-ZID-AND6-AND6","question":"Bianca Vanessa Andreescu","group_item_title":"Bianca Vanessa Andreescu","description":"This market resolves to Yes if Bianca Vanessa Andreescu wins the tennis match between Bianca Vanessa Andreescu and Tamara Zidansek originally scheduled for August 27, 2026 at 12:30 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/4Wt2xOQXZDPgfOCfxlywAA/5a99ea8791b197e446b459e7d955a34c/206-canada.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.9,0.17],"probability":0.9,"spread":0.07,"active":true,"closed":false,"start_date":"2026-08-27T05:00:00Z","end_date":"2026-08-28T21:00:00Z","closed_time":null,"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":"2026-08-28T02:54:52.959111Z","fetched_at":"2026-08-28T02:54:34.387754Z","added_at":"2026-08-27T01:43:04.124071Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260827-ZID-AND6/tamara-zidansek-vs-bianca-vanessa-andreescu","event_title":"Tamara Zidansek vs Bianca Vanessa Andreescu","chart_24h":[0.79,0.78,0.79,0.77,0.79,0.79,0.87,0.88,0.89,0.88,0.91,0.9,0.92,0.9,0.92,0.88]},{"source":"gemini","id":"216999-521328","event_id":"216999","slug":"GEMI-TENNIS-WTAUSO-20260827-ZID-AND6-ZID","question":"Tamara Zidansek","group_item_title":"Tamara Zidansek","description":"This market resolves to Yes if Tamara Zidansek wins the tennis match between Tamara Zidansek and Bianca Vanessa Andreescu originally scheduled for August 27, 2026 at 12:30 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/4rfJVXvCxXi2fkhyjaHBVq/fdfdb8088022d588510f380851666345/004-slovenia.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.17,0.9],"probability":0.17,"spread":0.07,"active":true,"closed":false,"start_date":"2026-08-27T05:00:00Z","end_date":"2026-08-28T21:00:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":-0.07999999999999999,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-28T02:54:52.959111Z","fetched_at":"2026-08-28T02:54:34.387754Z","added_at":"2026-08-27T01:43:04.124071Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260827-ZID-AND6/tamara-zidansek-vs-bianca-vanessa-andreescu","event_title":"Tamara Zidansek vs Bianca Vanessa Andreescu","chart_24h":[0.25,0.26,0.26,0.25,0.25,0.25,0.26,0.2,0.22,0.18,0.18,0.17,0.16,0.16,0.17,0.16]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/216999","as_of":"2026-08-28T03:10:53.796853Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Tamara Zidansek vs Bianca Vanessa Andreescu\" — top market at 90% probability across 2 outcomes","source_url":null}}