{"source":"gemini","id":"231389","ticker":"TENNIS-WTAUSO-20260905-KEY-ZHE","slug":"madison-keys-vs-zheng-qinwen","title":"Madison Keys vs Zheng Qinwen","description":"Madison Keys vs Zheng Qinwen","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-09-04T00:00:06.156000Z","end_date":"2026-09-06T15:00:00Z","closed_time":"2026-09-05T17:51:16.073000Z","volume":62848.62,"volume_24hr":62848.62,"volume_24h_change":null,"normalized_vol_24hr":92.2542724609375,"normalized_volume":76.99829864501953,"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":"Zheng Qinwen","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.5900000000000001,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-05T17:56:27.729383Z","fetched_at":"2026-09-05T17:56:27.729383Z","added_at":"2026-09-04T16:24:43.263479Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260905-KEY-ZHE/madison-keys-vs-zheng-qinwen","chart_24h":[1.56,161.13,162.72,162.72,187.03,189.31,348.88,365.84,407.29,5954.58,18695.98,36965.58,58289.32],"kind":"live","markets":[{"source":"gemini","id":"231389-561782","event_id":"231389","slug":"GEMI-TENNIS-WTAUSO-20260905-KEY-ZHE-ZHE","question":"Zheng Qinwen","group_item_title":"Zheng Qinwen","description":"This market resolves to Yes if Zheng Qinwen wins the tennis match between Zheng Qinwen and Madison Keys originally scheduled for September 5, 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/4jgBPRdZk1pQfm3QWMN1Sn/f4d531260d8cace650c3eaed8c63fb68/261-china.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.06,"active":false,"closed":true,"start_date":"2026-09-05T05:00:00Z","end_date":"2026-09-06T15:00:00Z","closed_time":"2026-09-05T17:51:16.073000Z","volume":null,"volume_24hr":null,"prob_24h_change":0.5900000000000001,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-05T17:56:27.737255Z","fetched_at":"2026-09-05T17:56:27.737255Z","added_at":"2026-09-04T16:24:43.423278Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260905-KEY-ZHE/madison-keys-vs-zheng-qinwen","event_title":"Madison Keys vs Zheng Qinwen","chart_24h":[0.41,0.42,0.42,0.41,0.41,0.42,0.23,0.25,0.19,0.86]},{"source":"gemini","id":"231389-561779","event_id":"231389","slug":"GEMI-TENNIS-WTAUSO-20260905-KEY-ZHE-KEY","question":"Madison Keys","group_item_title":"Madison Keys","description":"This market resolves to Yes if Madison Keys wins the tennis match between Madison Keys and Zheng Qinwen originally scheduled for September 5, 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/enO9xnfkxGSdWrMuQ8f5I/4c82ff835d421bbc99f0e320a08f2088/153-united-states-of-america.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.08,"active":false,"closed":true,"start_date":"2026-09-05T05:00:00Z","end_date":"2026-09-06T15:00:00Z","closed_time":"2026-09-05T17:51:15.890000Z","volume":null,"volume_24hr":null,"prob_24h_change":-0.62,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-05T17:56:27.737255Z","fetched_at":"2026-09-05T17:56:27.737255Z","added_at":"2026-09-04T16:24:43.423278Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260905-KEY-ZHE/madison-keys-vs-zheng-qinwen","event_title":"Madison Keys vs Zheng Qinwen","chart_24h":[0.62,0.61,0.61,0.6,0.6,0.62,0.62,0.6,0.81,0.79,0.86,0.2]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/231389","as_of":"2026-09-05T18:13:55.845672Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Madison Keys vs Zheng Qinwen\" — top market at 100% probability across 2 outcomes","source_url":null}}