{"source":"kalshi","id":"KXWTAMATCH-26MAY31KOSSWI","ticker":"KXWTAMATCH-26MAY31KOSSWI","slug":"KXWTAMATCH-26MAY31KOSSWI","title":"Kostyuk vs Swiatek","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-05-29T11:47:00Z","end_date":"2026-06-14T09:00:00Z","closed_time":null,"volume":20939.53,"volume_24hr":17759.78,"volume_24h_change":null,"normalized_vol_24hr":33.17721939086914,"normalized_volume":26.660079956054688,"liquidity":null,"open_interest":18985.760000000002,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26MAY31KOSSWI","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Iga Swiatek","top_outcome_probability":0.72,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":8953.26,"updated_at":"2026-05-30T21:40:51.924896Z","fetched_at":"2026-05-30T21:40:51.924896Z","added_at":"2026-05-29T11:56:55.816984Z","url":"https://kalshi.com/markets/kxwtamatch/kostyuk-vs-swiatek/kxwtamatch-26may31kosswi","chart_24h":[3275.51,3482.04,5616.57,6265.82,6365.76,6550.96,7308.86,7458.530000000001,8353.28,8440.83,8517.59,8795.34,11020.77,11055.13,11253.58,11546.58,11609.26,11610.59,11625.76,11766.64,11867.17,11955.17,12310.05,12625.2,13125.37,12825.279999999999,14012.36,14249.64,14603.510000000002,15346.95,14343.490000000002,14927.17,16308.84,17265.559999999998,17763.940000000002],"markets":[{"source":"kalshi","id":"KXWTAMATCH-26MAY31KOSSWI-SWI","event_id":"KXWTAMATCH-26MAY31KOSSWI","slug":"KXWTAMATCH-26MAY31KOSSWI-SWI","question":"Will Iga Swiatek win the Kostyuk vs Swiatek: Round Of 16 match?","group_item_title":"Iga Swiatek","description":"If Iga Swiatek wins the Kostyuk vs Swiatek professional tennis match in the 2026 French Open Women Singles Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Kostyuk vs Swiatek professional tennis match in the 2026 French Open Women Singles Round Of 16 after a ball has been played. 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).","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.72,0.28],"probability":0.72,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-05-29T11:47:00Z","end_date":"2026-06-14T09:00:00Z","closed_time":"2026-06-14T09:00:00Z","volume":13310.18,"volume_24hr":11196.18,"prob_24h_change":0.0,"volume_24h_change":8953.26,"normalized_vol_24hr":32.21243667602539,"normalized_volume":29.198272705078125,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-30T21:40:51.989889Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T11:56:55.934575Z","url":"https://kalshi.com/markets/kxwtamatch/kostyuk-vs-swiatek/kxwtamatch-26may31kosswi","event_title":"Kostyuk vs Swiatek","chart_24h":[0.72,0.72,0.72,0.71,0.71,0.71,0.7,0.71,0.71,0.71,0.71,0.72,0.72,0.72,0.71,0.71,0.71,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72,0.72]},{"source":"kalshi","id":"KXWTAMATCH-26MAY31KOSSWI-KOS","event_id":"KXWTAMATCH-26MAY31KOSSWI","slug":"KXWTAMATCH-26MAY31KOSSWI-KOS","question":"Will Marta Kostyuk win the Kostyuk vs Swiatek: Round Of 16 match?","group_item_title":"Marta Kostyuk","description":"If Marta Kostyuk wins the Kostyuk vs Swiatek professional tennis match in the 2026 French Open Women Singles Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Kostyuk vs Swiatek professional tennis match in the 2026 French Open Women Singles Round Of 16 after a ball has been played. 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).","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.3,0.7],"probability":0.3,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-05-29T11:47:00Z","end_date":"2026-06-14T09:00:00Z","closed_time":"2026-06-14T09:00:00Z","volume":7629.35,"volume_24hr":6563.6,"prob_24h_change":0.010000000000000009,"volume_24h_change":5523.51,"normalized_vol_24hr":28.614620208740234,"normalized_volume":25.890422821044922,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-30T21:40:51.989889Z","fetched_at":"2026-05-30T21:40:51.989889Z","added_at":"2026-05-29T11:56:55.934575Z","url":"https://kalshi.com/markets/kxwtamatch/kostyuk-vs-swiatek/kxwtamatch-26may31kosswi","event_title":"Kostyuk vs Swiatek","chart_24h":[0.29,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.3,0.29,0.29,0.29,0.29,0.3,0.3,0.3,0.3,0.3,0.3]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTAMATCH-26MAY31KOSSWI","as_of":"2026-05-30T21:41:10.735520Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Kostyuk vs Swiatek\" — top market at 72% probability across 2 outcomes","source_url":null}}