{"source":"kalshi","id":"KXWTASETWINNER-26AUG19KOSAND-1","ticker":"KXWTASETWINNER-26AUG19KOSAND-1","slug":"KXWTASETWINNER-26AUG19KOSAND-1","title":"Marta Kostyuk vs Mirra Andreeva: Set 1 Winner","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-08-18T21:20:00Z","end_date":"2026-09-02T15:00:00Z","closed_time":"2026-08-19T17:55:47Z","volume":73770.42000000001,"volume_24hr":54830.899999999994,"volume_24h_change":null,"normalized_vol_24hr":44.480892181396484,"normalized_volume":34.65359115600586,"liquidity":null,"open_interest":63489.369999999995,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26AUG19KOSAND-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Mirra Andreeva","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":39031.85,"updated_at":"2026-08-19T17:58:21.695240Z","fetched_at":"2026-08-19T17:58:21.695240Z","added_at":"2026-08-18T21:35:47.834759Z","url":"https://kalshi.com/markets/kxwtasetwinner/marta-kostyuk-vs-mirra-andreeva-set-1-winner/kxwtasetwinner-26aug19kosand-1","chart_24h":[0.0,89.0,180.33,280.79,333.79,496.46,544.67,585.6999999999999,826.37,1767.32,7478.66,54830.899999999994],"markets":[{"source":"kalshi","id":"KXWTASETWINNER-26AUG19KOSAND-1-AND","event_id":"KXWTASETWINNER-26AUG19KOSAND-1","slug":"KXWTASETWINNER-26AUG19KOSAND-1-AND","question":"Will Mirra Andreeva win set 1 in the Marta Kostyuk vs Mirra Andreeva match","group_item_title":"Mirra Andreeva","description":"If Mirra Andreeva wins set 1 in the Marta Kostyuk vs Mirra Andreeva professional tennis match in the 2026 WTA Cincinnati Round Of 16, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Marta Kostyuk vs Mirra Andreeva professional tennis match in the 2026 WTA Cincinnati Round Of 16. 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":[0.99,0.010000000000000009],"probability":0.99,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-18T21:20:00Z","end_date":"2026-09-02T15:00:00Z","closed_time":"2026-08-19T17:55:47Z","volume":39466.37,"volume_24hr":39031.85,"prob_24h_change":0.99,"volume_24h_change":39031.85,"normalized_vol_24hr":43.84980773925781,"normalized_volume":34.86709976196289,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-19T17:59:21.475981Z","fetched_at":"2026-08-19T17:58:21.706902Z","added_at":"2026-08-18T21:35:48.149325Z","url":"https://kalshi.com/markets/kxwtasetwinner/marta-kostyuk-vs-mirra-andreeva-set-1-winner/kxwtasetwinner-26aug19kosand-1","event_title":"Marta Kostyuk vs Mirra Andreeva: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.54,0.54,0.53,0.53,0.53,0.53,0.53,0.53,0.53,0.53,0.54,0.54,0.54,0.54,0.54,0.54,0.55,0.55,0.76,0.99]},{"source":"kalshi","id":"KXWTASETWINNER-26AUG19KOSAND-1-KOS","event_id":"KXWTASETWINNER-26AUG19KOSAND-1","slug":"KXWTASETWINNER-26AUG19KOSAND-1-KOS","question":"Will Marta Kostyuk win set 1 in the Marta Kostyuk vs Mirra Andreeva match","group_item_title":"Marta Kostyuk","description":"If Marta Kostyuk wins set 1 in the Marta Kostyuk vs Mirra Andreeva professional tennis match in the 2026 WTA Cincinnati Round Of 16, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Marta Kostyuk vs Mirra Andreeva professional tennis match in the 2026 WTA Cincinnati Round Of 16. 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":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-08-18T21:20:00Z","end_date":"2026-09-02T15:00:00Z","closed_time":"2026-08-19T17:55:47Z","volume":34304.05,"volume_24hr":15799.05,"prob_24h_change":0.01,"volume_24h_change":15799.05,"normalized_vol_24hr":36.66847229003906,"normalized_volume":33.94954299926758,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-19T17:59:21.475981Z","fetched_at":"2026-08-19T17:58:21.706902Z","added_at":"2026-08-18T21:35:48.149325Z","url":"https://kalshi.com/markets/kxwtasetwinner/marta-kostyuk-vs-mirra-andreeva-set-1-winner/kxwtasetwinner-26aug19kosand-1","event_title":"Marta Kostyuk vs Mirra Andreeva: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.48,0.48,0.47,0.46,0.25,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTASETWINNER-26AUG19KOSAND-1","as_of":"2026-08-19T20:09:53.235747Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Marta Kostyuk vs Mirra Andreeva: Set 1 Winner\" — top market at 99% probability across 2 outcomes","source_url":null}}