{"source":"kalshi","id":"KXWTASETWINNER-26AUG21GAUKOS-1","ticker":"KXWTASETWINNER-26AUG21GAUKOS-1","slug":"KXWTASETWINNER-26AUG21GAUKOS-1","title":"Coco Gauff vs Marta Kostyuk: Set 1 Winner","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-20T17:20:00Z","end_date":"2026-09-04T17:00:00Z","closed_time":null,"volume":3196.88,"volume_24hr":3196.88,"volume_24h_change":null,"normalized_vol_24hr":23.115718841552734,"normalized_volume":17.948102951049805,"liquidity":null,"open_interest":2112.25,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26AUG21GAUKOS-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Coco Gauff","top_outcome_probability":0.54,"top_outcome_prob_24h_change":-0.020000000000000018,"top_outcome_volume_24h_change":2651.94,"updated_at":"2026-08-21T19:05:54.845982Z","fetched_at":"2026-08-21T19:05:54.845982Z","added_at":"2026-08-20T17:20:34.837347Z","url":"https://kalshi.com/markets/kxwtasetwinner/coco-gauff-vs-marta-kostyuk-set-1-winner/kxwtasetwinner-26aug21gaukos-1","chart_24h":[4.29,90.9,98.9,115.9,115.9,119.9,127.9,153.9,359.03999999999996,567.04,734.8299999999999,988.12,1040.12,2040.12,2057.12,3089.8500000000004,3095.67,3196.88],"markets":[{"source":"kalshi","id":"KXWTASETWINNER-26AUG21GAUKOS-1-GAU","event_id":"KXWTASETWINNER-26AUG21GAUKOS-1","slug":"KXWTASETWINNER-26AUG21GAUKOS-1-GAU","question":"Will Coco Gauff win set 1 in the Coco Gauff vs Marta Kostyuk match","group_item_title":"Coco Gauff","description":"If Coco Gauff wins set 1 in the Coco Gauff vs Marta Kostyuk professional tennis match in the 2026 WTA Cincinnati Quarterfinal, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Coco Gauff vs Marta Kostyuk professional tennis match in the 2026 WTA Cincinnati Quarterfinal. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). If a retirement occurs, all markets that can be unconditionally settled based on play already completed will resolve accordingly. Any markets that cannot be unconditionally settled will resolve to Fair Market Price, as determined at the sole discretion of the Exchange.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.54,0.45999999999999996],"probability":0.54,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-20T17:20:00Z","end_date":"2026-09-04T17:00:00Z","closed_time":"2026-09-04T17:00:00Z","volume":2656.23,"volume_24hr":2656.23,"prob_24h_change":-0.020000000000000018,"volume_24h_change":2651.94,"normalized_vol_24hr":24.352182388305664,"normalized_volume":19.3547306060791,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T19:09:13.065492Z","fetched_at":"2026-08-21T19:05:55.288489Z","added_at":"2026-08-20T17:20:35.450501Z","url":"https://kalshi.com/markets/kxwtasetwinner/coco-gauff-vs-marta-kostyuk-set-1-winner/kxwtasetwinner-26aug21gaukos-1","event_title":"Coco Gauff vs Marta Kostyuk: Set 1 Winner","chart_24h":[0.56,0.56,0.56,0.55,0.55,0.55,0.55,0.55,0.55,0.55,0.55,0.54,0.54,0.54,0.54,0.54,0.54,0.54]},{"source":"kalshi","id":"KXWTASETWINNER-26AUG21GAUKOS-1-KOS","event_id":"KXWTASETWINNER-26AUG21GAUKOS-1","slug":"KXWTASETWINNER-26AUG21GAUKOS-1-KOS","question":"Will Marta Kostyuk win set 1 in the Coco Gauff vs Marta Kostyuk match","group_item_title":"Marta Kostyuk","description":"If Marta Kostyuk wins set 1 in the Coco Gauff vs Marta Kostyuk professional tennis match in the 2026 WTA Cincinnati Quarterfinal, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Coco Gauff vs Marta Kostyuk professional tennis match in the 2026 WTA Cincinnati Quarterfinal. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks). If a retirement occurs, all markets that can be unconditionally settled based on play already completed will resolve accordingly. Any markets that cannot be unconditionally settled will resolve to Fair Market Price, as determined at the sole discretion of the Exchange.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.46,0.54],"probability":0.46,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-20T17:20:00Z","end_date":"2026-09-04T17:00:00Z","closed_time":"2026-09-04T17:00:00Z","volume":540.65,"volume_24hr":540.65,"prob_24h_change":0.46,"volume_24h_change":540.65,"normalized_vol_24hr":15.519194602966309,"normalized_volume":12.33441162109375,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-21T19:09:13.065492Z","fetched_at":"2026-08-21T19:05:55.288489Z","added_at":"2026-08-20T17:20:35.450501Z","url":"https://kalshi.com/markets/kxwtasetwinner/coco-gauff-vs-marta-kostyuk-set-1-winner/kxwtasetwinner-26aug21gaukos-1","event_title":"Coco Gauff vs Marta Kostyuk: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.47,0.46,0.46,0.46,0.45,0.45,0.46]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTASETWINNER-26AUG21GAUKOS-1","as_of":"2026-08-21T19:55:40.826311Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Coco Gauff vs Marta Kostyuk: Set 1 Winner\" — top market at 54% probability across 2 outcomes","source_url":null}}