{"source":"gemini","id":"192519","ticker":"TENNIS-WTACIN-20260813-BOU5-VOL","slug":"katie-boulter-vs-katie-volynets","title":"Katie Boulter vs Katie Volynets","description":"Katie Boulter vs Katie Volynets","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-08-13T12:06:43.490000Z","end_date":"2026-08-14T11:00:00Z","closed_time":"2026-08-14T03:22:16.402000Z","volume":4938.66,"volume_24hr":4938.66,"volume_24h_change":null,"normalized_vol_24hr":55.54787826538086,"normalized_volume":47.555519104003906,"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":"Katie Boulter","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.49,"top_outcome_volume_24h_change":null,"updated_at":"2026-08-14T03:28:12.575260Z","fetched_at":"2026-08-14T03:28:12.575260Z","added_at":"2026-08-13T12:43:27.747333Z","url":"https://www.gemini.com/predictions/TENNIS-WTACIN-20260813-BOU5-VOL/katie-boulter-vs-katie-volynets","chart_24h":[0.0,8.8,19.19,94.19,900.89,2564.48,3001.38,4938.66],"markets":[{"source":"gemini","id":"192519-461391","event_id":"192519","slug":"GEMI-TENNIS-WTACIN-20260813-BOU5-VOL-BOU5","question":"Katie Boulter","group_item_title":"Katie Boulter","description":"This market resolves to Yes if Katie Boulter wins the tennis match between Katie Boulter and Katie Volynets scheduled for August 13, 2026 at 7:00 PM ET. 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