{"source":"gemini","id":"238933","ticker":"TENNIS-WTAUSODBL-20260908-HSIOST-MERSHN","slug":"su-wei-ostapenko-vs-mertens-shnaider","title":"Su-wei / Ostapenko vs Mertens / Shnaider","description":"Su-wei / Ostapenko vs Mertens / Shnaider","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-09-08T00:00:23.494000Z","end_date":"2026-09-09T20:40:00Z","closed_time":null,"volume":3614.41,"volume_24hr":3614.41,"volume_24h_change":null,"normalized_vol_24hr":50.845672607421875,"normalized_volume":42.34052276611328,"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":"Elise Mertens / Diana Shnaider","top_outcome_probability":0.46,"top_outcome_prob_24h_change":0.020000000000000018,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-08T22:40:35.815115Z","fetched_at":"2026-09-08T22:40:35.815115Z","added_at":"2026-09-08T09:04:42.070637Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSODBL-20260908-HSIOST-MERSHN/su-wei-ostapenko-vs-mertens-shnaider","chart_24h":[0.0,30.14,30.69,3591.73,3614.41,3614.41],"kind":"live","markets":[{"source":"gemini","id":"238933-587366","event_id":"238933","slug":"GEMI-TENNIS-WTAUSODBL-20260908-HSIOST-MERSHN-MERSHN","question":"Elise Mertens / Diana Shnaider","group_item_title":"Elise Mertens / Diana Shnaider","description":"This market resolves to Yes if Elise Mertens / Diana Shnaider wins the tennis match between Elise Mertens / Diana Shnaider and Hsieh Su-wei / Jelena Ostapenko scheduled for September 8, 2026 at 4:10 PM 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. 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://assets.gemini.com/predictions/images/NEU_8396a4cb-e255-4cef-9b51-362adb0ffa40.avif","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.46,0.02],"probability":0.46,"spread":0.08,"active":false,"closed":true,"start_date":"2026-09-08T09:00:00Z","end_date":"2026-09-09T20:40:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":0.020000000000000018,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-08T22:40:35.836405Z","fetched_at":"2026-09-08T22:40:35.836405Z","added_at":"2026-09-08T09:04:42.349838Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSODBL-20260908-HSIOST-MERSHN/su-wei-ostapenko-vs-mertens-shnaider","event_title":"Su-wei / Ostapenko vs Mertens / Shnaider","chart_24h":[0.44,0.43,0.44,0.44,0.43,0.46,0.45,0.46,0.5,0.66,0.46,0.46]},{"source":"gemini","id":"238933-587363","event_id":"238933","slug":"GEMI-TENNIS-WTAUSODBL-20260908-HSIOST-MERSHN-HSIOST","question":"Hsieh Su-wei / Jelena Ostapenko","group_item_title":"Hsieh Su-wei / Jelena Ostapenko","description":"This market resolves to Yes if Hsieh Su-wei / Jelena Ostapenko wins the tennis match between Hsieh Su-wei / Jelena Ostapenko and Elise Mertens / Diana Shnaider scheduled for September 8, 2026 at 4:10 PM 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. 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://assets.gemini.com/predictions/images/NEU_8396a4cb-e255-4cef-9b51-362adb0ffa40.avif","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.02,0.4],"probability":0.02,"spread":0.1,"active":false,"closed":true,"start_date":"2026-09-08T09:00:00Z","end_date":"2026-09-09T20:40:00Z","closed_time":null,"volume":null,"volume_24hr":null,"prob_24h_change":-0.57,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-08T22:40:35.836405Z","fetched_at":"2026-09-08T22:40:35.836405Z","added_at":"2026-09-08T09:04:42.349838Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSODBL-20260908-HSIOST-MERSHN/su-wei-ostapenko-vs-mertens-shnaider","event_title":"Su-wei / Ostapenko vs Mertens / Shnaider","chart_24h":[0.59,0.6,0.59,0.6,0.6,0.6,0.6,0.61,0.58,0.58,0.59,0.6,0.02,0.02]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/238933","as_of":"2026-09-09T00:50:40.421335Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Su-wei / Ostapenko vs Mertens / Shnaider\" — top market at 46% probability across 2 outcomes","source_url":null}}