{"source":"gemini","id":"194050","ticker":"TENNIS-WTACIN-20260815-ZHA2-DAY","slug":"shuai-zhang-vs-kayla-day","title":"Shuai Zhang vs Kayla Day","description":"Shuai Zhang vs Kayla Day","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-08-14T08:14:36.779000Z","end_date":"2026-08-16T03:00:00Z","closed_time":"2026-08-15T18:42:36.461000Z","volume":2290.38,"volume_24hr":2290.38,"volume_24h_change":null,"normalized_vol_24hr":45.96725845336914,"normalized_volume":39.35337829589844,"liquidity":null,"open_interest":null,"categories":["Sports"],"tags":["WTA"],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Shuai Zhang","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.5,"top_outcome_volume_24h_change":null,"updated_at":"2026-08-15T18:54:42.539880Z","fetched_at":"2026-08-15T18:54:42.539880Z","added_at":"2026-08-14T08:17:26.019882Z","url":"https://www.gemini.com/predictions/TENNIS-WTACIN-20260815-ZHA2-DAY/shuai-zhang-vs-kayla-day","chart_24h":[1.74,11.77,1047.72,2124.35,2180.35,2290.38],"markets":[{"source":"gemini","id":"194050-464595","event_id":"194050","slug":"GEMI-TENNIS-WTACIN-20260815-ZHA2-DAY-ZHA2","question":"Shuai Zhang","group_item_title":"Shuai Zhang","description":"This market resolves to Yes if Shuai Zhang wins the tennis match between Shuai Zhang and Kayla Day scheduled for August 15, 2026 at 11:00 AM ET. Otherwise, it resolves 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. Read the full contract [terms & conditions](https://cdn.builder.io/o/assets%2F1b77ce3a269a43e985e77f3d65f715ba%2Fc2d5e4e082ad4474aed8dc47ce46c601?alt=media&token=87c8f8b7-0646-4105-bb60-6ee4307ce404&apiKey=1b77ce3a269a43e985e77f3d65f715ba)","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":0.03,"active":false,"closed":true,"start_date":"2026-08-14T08:11:00Z","end_date":"2026-08-16T03:00:00Z","closed_time":"2026-08-15T18:42:36.461000Z","volume":null,"volume_24hr":null,"prob_24h_change":0.5,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-15T18:54:45.342753Z","fetched_at":"2026-08-15T18:54:42.553747Z","added_at":"2026-08-14T08:17:26.118109Z","url":"https://www.gemini.com/predictions/TENNIS-WTACIN-20260815-ZHA2-DAY/shuai-zhang-vs-kayla-day","event_title":"Shuai Zhang vs Kayla Day","chart_24h":[0.5,0.51,0.5,0.49,0.48,0.49,0.49,0.49,0.49,0.49,0.49,0.37,0.41,0.44,0.46,0.84,1.0]},{"source":"gemini","id":"194050-464596","event_id":"194050","slug":"GEMI-TENNIS-WTACIN-20260815-ZHA2-DAY-DAY","question":"Kayla Day","group_item_title":"Kayla Day","description":"This market resolves to Yes if Kayla Day wins the tennis match between Kayla Day and Shuai Zhang scheduled for August 15, 2026 at 11:00 AM ET. Otherwise, it resolves 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. Read the full contract [terms & conditions](https://cdn.builder.io/o/assets%2F1b77ce3a269a43e985e77f3d65f715ba%2Fc2d5e4e082ad4474aed8dc47ce46c601?alt=media&token=87c8f8b7-0646-4105-bb60-6ee4307ce404&apiKey=1b77ce3a269a43e985e77f3d65f715ba)","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":0.04,"active":false,"closed":true,"start_date":"2026-08-14T08:11:00Z","end_date":"2026-08-16T03:00:00Z","closed_time":"2026-08-15T18:42:36.285000Z","volume":null,"volume_24hr":null,"prob_24h_change":-0.53,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-15T18:54:45.342753Z","fetched_at":"2026-08-15T18:54:42.553747Z","added_at":"2026-08-14T08:17:26.118109Z","url":"https://www.gemini.com/predictions/TENNIS-WTACIN-20260815-ZHA2-DAY/shuai-zhang-vs-kayla-day","event_title":"Shuai Zhang vs Kayla Day","chart_24h":[0.53,0.54,0.53,0.54,0.55,0.55,0.55,0.55,0.55,0.55,0.55,0.66,0.62,0.59,0.65,0.29,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/194050","as_of":"2026-08-15T19:15:58.452747Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Shuai Zhang vs Kayla Day\" — top market at 100% probability across 2 outcomes","source_url":null}}