{"source":"kalshi","id":"KXWTASETWINNER-26MAY27KOSVOL-1","ticker":"KXWTASETWINNER-26MAY27KOSVOL-1","slug":"KXWTASETWINNER-26MAY27KOSVOL-1","title":"Marta Kostyuk vs Katie Volynets: Set 1 Winner","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-05-24T12:51:00Z","end_date":"2026-06-10T09:00:00Z","closed_time":"2026-05-27T13:55:34Z","volume":18251.29,"volume_24hr":18051.29,"volume_24h_change":null,"normalized_vol_24hr":30.477563858032227,"normalized_volume":24.997665405273438,"liquidity":null,"open_interest":14891.630000000001,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26MAY27KOSVOL-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Katie Volynets","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":6715.37,"updated_at":"2026-05-27T13:57:11.694871Z","fetched_at":"2026-05-27T13:57:11.694871Z","added_at":"2026-05-24T13:01:05.422475Z","url":"https://kalshi.com/markets/kxwtasetwinner/marta-kostyuk-vs-katie-volynets-set-1-winner/kxwtasetwinner-26may27kosvol-1","chart_24h":[24.65,35.65,94.52,297.55,789.51,2013.54,18051.29],"markets":[{"source":"kalshi","id":"KXWTASETWINNER-26MAY27KOSVOL-1-VOL","event_id":"KXWTASETWINNER-26MAY27KOSVOL-1","slug":"KXWTASETWINNER-26MAY27KOSVOL-1-VOL","question":"Will Katie Volynets win set 1 in the Marta Kostyuk vs Katie Volynets match","group_item_title":"Katie Volynets","description":"If Katie Volynets wins set 1 in the Marta Kostyuk vs Katie Volynets professional tennis match in the 2026 French Open Women Singles Round Of 64, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Marta Kostyuk vs Katie Volynets professional tennis match in the 2026 French Open Women Singles Round Of 64. 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.","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":"2026-05-24T12:51:00Z","end_date":"2026-06-10T09:00:00Z","closed_time":"2026-05-27T13:55:34Z","volume":6915.37,"volume_24hr":6715.37,"prob_24h_change":0.99,"volume_24h_change":6715.37,"normalized_vol_24hr":25.999019622802734,"normalized_volume":25.36541748046875,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-27T13:57:31.484178Z","fetched_at":"2026-05-27T13:57:11.709923Z","added_at":"2026-05-24T13:01:05.483343Z","url":"https://kalshi.com/markets/kxwtasetwinner/marta-kostyuk-vs-katie-volynets-set-1-winner/kxwtasetwinner-26may27kosvol-1","event_title":"Marta Kostyuk vs Katie Volynets: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.25,0.25,0.25,0.18,0.18,0.2,0.99]},{"source":"kalshi","id":"KXWTASETWINNER-26MAY27KOSVOL-1-KOS","event_id":"KXWTASETWINNER-26MAY27KOSVOL-1","slug":"KXWTASETWINNER-26MAY27KOSVOL-1-KOS","question":"Will Marta Kostyuk win set 1 in the Marta Kostyuk vs Katie Volynets match","group_item_title":"Marta Kostyuk","description":"If Marta Kostyuk wins set 1 in the Marta Kostyuk vs Katie Volynets professional tennis match in the 2026 French Open Women Singles Round Of 64, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Marta Kostyuk vs Katie Volynets professional tennis match in the 2026 French Open Women Singles Round Of 64. 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.","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":"2026-05-24T12:51:00Z","end_date":"2026-06-10T09:00:00Z","closed_time":"2026-05-27T13:55:34Z","volume":11335.92,"volume_24hr":11335.92,"prob_24h_change":0.01,"volume_24h_change":11335.92,"normalized_vol_24hr":29.17984962463379,"normalized_volume":28.28008270263672,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-27T13:57:31.484178Z","fetched_at":"2026-05-27T13:57:11.709923Z","added_at":"2026-05-24T13:01:05.483343Z","url":"https://kalshi.com/markets/kxwtasetwinner/marta-kostyuk-vs-katie-volynets-set-1-winner/kxwtasetwinner-26may27kosvol-1","event_title":"Marta Kostyuk vs Katie Volynets: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.8,0.8,0.8,0.81,0.8,0.8,0.8,0.89,0.89,0.84,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTASETWINNER-26MAY27KOSVOL-1","as_of":"2026-05-27T16:30:58.189825Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Marta Kostyuk vs Katie Volynets: Set 1 Winner\" — top market at 1% probability across 2 outcomes","source_url":null}}