{"source":"kalshi","id":"KXWTAMATCH-26MAY28OLIBIR","ticker":"KXWTAMATCH-26MAY28OLIBIR","slug":"KXWTAMATCH-26MAY28OLIBIR","title":"Oliynykova vs Birrell","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-05-26T20:37:00Z","end_date":"2026-06-11T09:00:00Z","closed_time":null,"volume":4089.99,"volume_24hr":4089.99,"volume_24h_change":null,"normalized_vol_24hr":21.916250228881836,"normalized_volume":17.958328247070312,"liquidity":null,"open_interest":3286.83,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26MAY28OLIBIR","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Oleksandra Oliynykova","top_outcome_probability":0.69,"top_outcome_prob_24h_change":0.69,"top_outcome_volume_24h_change":3097.68,"updated_at":"2026-05-27T14:36:41.641601Z","fetched_at":"2026-05-27T14:36:41.641601Z","added_at":"2026-05-26T20:40:54.710292Z","url":"https://kalshi.com/markets/kxwtamatch/oliynykova-vs-birrell/kxwtamatch-26may28olibir","chart_24h":[0.0,7.0,13.27,13.33,748.33,777.33,777.33,779.33,876.26,905.26,3900.8399999999997,3901.8399999999997,3996.8399999999997,4089.99],"markets":[{"source":"kalshi","id":"KXWTAMATCH-26MAY28OLIBIR-OLI","event_id":"KXWTAMATCH-26MAY28OLIBIR","slug":"KXWTAMATCH-26MAY28OLIBIR-OLI","question":"Will Oleksandra Oliynykova win the Oliynykova vs Birrell: Round Of 64 match?","group_item_title":"Oleksandra Oliynykova","description":"If Oleksandra Oliynykova wins the Oliynykova vs Birrell professional tennis match in the 2026 French Open Women Singles Round Of 64 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Oliynykova vs Birrell professional tennis match in the 2026 French Open Women Singles Round Of 64 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":[0.69,0.31000000000000005],"probability":0.69,"spread":0.009999999999999898,"active":true,"closed":false,"start_date":"2026-05-26T20:37:00Z","end_date":"2026-06-11T09:00:00Z","closed_time":"2026-06-11T09:00:00Z","volume":3097.68,"volume_24hr":3097.68,"prob_24h_change":0.69,"volume_24h_change":3097.68,"normalized_vol_24hr":21.603187561035156,"normalized_volume":20.96769905090332,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-27T14:37:12.585433Z","fetched_at":"2026-05-27T14:36:41.743542Z","added_at":"2026-05-26T20:40:54.779542Z","url":"https://kalshi.com/markets/kxwtamatch/oliynykova-vs-birrell/kxwtamatch-26may28olibir","event_title":"Oliynykova vs Birrell","chart_24h":[0.0,0.0,0.63,0.63,0.63,0.62,0.62,0.61,0.61,0.62,0.62,0.62,0.62,0.66,0.67,0.69]},{"source":"kalshi","id":"KXWTAMATCH-26MAY28OLIBIR-BIR","event_id":"KXWTAMATCH-26MAY28OLIBIR","slug":"KXWTAMATCH-26MAY28OLIBIR-BIR","question":"Will Kimberly Birrell win the Oliynykova vs Birrell: Round Of 64 match?","group_item_title":"Kimberly Birrell","description":"If Kimberly Birrell wins the Oliynykova vs Birrell professional tennis match in the 2026 French Open Women Singles Round Of 64 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Oliynykova vs Birrell professional tennis match in the 2026 French Open Women Singles Round Of 64 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":[0.33,0.6699999999999999],"probability":0.33,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-05-26T20:37:00Z","end_date":"2026-06-11T09:00:00Z","closed_time":"2026-06-11T09:00:00Z","volume":992.31,"volume_24hr":992.31,"prob_24h_change":0.33,"volume_24h_change":992.31,"normalized_vol_24hr":15.921069145202637,"normalized_volume":15.452728271484375,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-27T14:37:12.585433Z","fetched_at":"2026-05-27T14:36:41.743542Z","added_at":"2026-05-26T20:40:54.779542Z","url":"https://kalshi.com/markets/kxwtamatch/oliynykova-vs-birrell/kxwtamatch-26may28olibir","event_title":"Oliynykova vs Birrell","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.39,0.39,0.39,0.39,0.39,0.34,0.34,0.34,0.33,0.33,0.33,0.33]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTAMATCH-26MAY28OLIBIR","as_of":"2026-05-27T14:44:44.819553Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Oliynykova vs Birrell\" — top market at 69% probability across 2 outcomes","source_url":null}}