{"source":"gemini","id":"193979","ticker":"TENNIS-ATPCIN-20260814-ROY-TSI","slug":"valentin-royer-vs-stefanos-tsitsipas","title":"Valentin Royer vs Stefanos Tsitsipas","description":"Valentin Royer vs Stefanos Tsitsipas","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-08-14T08:07:02.665000Z","end_date":"2026-08-15T03:00:00Z","closed_time":"2026-08-14T17:19:27.951000Z","volume":5371.53,"volume_24hr":5371.53,"volume_24h_change":null,"normalized_vol_24hr":56.65056610107422,"normalized_volume":48.49954605102539,"liquidity":null,"open_interest":null,"categories":["Sports"],"tags":["ATP"],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Stefanos Tsitsipas","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.20999999999999996,"top_outcome_volume_24h_change":null,"updated_at":"2026-08-14T17:37:22.992276Z","fetched_at":"2026-08-14T17:37:22.992276Z","added_at":"2026-08-14T08:17:10.607313Z","url":"https://www.gemini.com/predictions/TENNIS-ATPCIN-20260814-ROY-TSI/valentin-royer-vs-stefanos-tsitsipas","chart_24h":[0.0,2556.24,2566.2,4090.84,5371.53],"markets":[{"source":"gemini","id":"193979-464462","event_id":"193979","slug":"GEMI-TENNIS-ATPCIN-20260814-ROY-TSI-TSI","question":"Stefanos Tsitsipas","group_item_title":"Stefanos Tsitsipas","description":"This market resolves to Yes if Stefanos Tsitsipas wins the tennis match between Stefanos Tsitsipas and Valentin Royer scheduled for August 14, 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/RmB8CVNoL5XTCjN79yfIs/5fa1839972324ff480f9df0cd3865b8f/071-greece.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.05,"active":false,"closed":true,"start_date":"2026-08-14T08:07:00Z","end_date":"2026-08-15T03:00:00Z","closed_time":"2026-08-14T17:19:27.739000Z","volume":null,"volume_24hr":null,"prob_24h_change":0.20999999999999996,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-14T17:37:26.332315Z","fetched_at":"2026-08-14T17:37:23.026278Z","added_at":"2026-08-14T08:17:11.364691Z","url":"https://www.gemini.com/predictions/TENNIS-ATPCIN-20260814-ROY-TSI/valentin-royer-vs-stefanos-tsitsipas","event_title":"Valentin Royer vs Stefanos Tsitsipas","chart_24h":[0.79,0.78,0.78,0.77,0.76,0.76,0.77,0.75,0.9,0.99,1.0]},{"source":"gemini","id":"193979-464461","event_id":"193979","slug":"GEMI-TENNIS-ATPCIN-20260814-ROY-TSI-ROY","question":"Valentin Royer","group_item_title":"Valentin Royer","description":"This market resolves to Yes if Valentin Royer wins the tennis match between Valentin Royer and Stefanos Tsitsipas scheduled for August 14, 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/7rFibkECUoSzkz9Zulj7CF/0b7bf0a20e8d6939b02973f89704e354/077-france.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.05,"active":false,"closed":true,"start_date":"2026-08-14T08:07:00Z","end_date":"2026-08-15T03:00:00Z","closed_time":"2026-08-14T17:19:27.951000Z","volume":null,"volume_24hr":null,"prob_24h_change":-0.25,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-14T17:37:26.332315Z","fetched_at":"2026-08-14T17:37:23.026278Z","added_at":"2026-08-14T08:17:11.364691Z","url":"https://www.gemini.com/predictions/TENNIS-ATPCIN-20260814-ROY-TSI/valentin-royer-vs-stefanos-tsitsipas","event_title":"Valentin Royer vs Stefanos Tsitsipas","chart_24h":[0.25,0.25,0.26,0.27,0.26,0.27,0.28,0.13,0.02,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/193979","as_of":"2026-08-14T19:31:59.468751Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Valentin Royer vs Stefanos Tsitsipas\" — top market at 100% probability across 2 outcomes","source_url":null}}