{"source":"kalshi","id":"KXWTASETWINNER-26JUN26MARKEY-1","ticker":"KXWTASETWINNER-26JUN26MARKEY-1","slug":"KXWTASETWINNER-26JUN26MARKEY-1","title":"Petra Marcinko vs Madison Keys: Set 1 Winner","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-06-25T18:50:00Z","end_date":"2026-07-10T11:10:00Z","closed_time":"2026-07-10T11:10:00Z","volume":42670.91,"volume_24hr":42670.91,"volume_24h_change":null,"normalized_vol_24hr":32.89336395263672,"normalized_volume":27.891511917114258,"liquidity":null,"open_interest":34281.85,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26JUN26MARKEY-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Madison Keys","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":26590.49,"updated_at":"2026-06-26T13:06:57.367234Z","fetched_at":"2026-06-26T13:06:57.367234Z","added_at":"2026-06-25T19:02:23.420208Z","url":"https://kalshi.com/markets/kxwtasetwinner/petra-marcinko-vs-madison-keys-set-1-winner/kxwtasetwinner-26jun26markey-1","chart_24h":[0.0,0.0,429.24,583.44,583.44,627.44,699.24,705.24,4359.889999999999,42670.91],"markets":[{"source":"kalshi","id":"KXWTASETWINNER-26JUN26MARKEY-1-KEY","event_id":"KXWTASETWINNER-26JUN26MARKEY-1","slug":"KXWTASETWINNER-26JUN26MARKEY-1-KEY","question":"Will Madison Keys win set 1 in the Petra Marcinko vs Madison Keys match","group_item_title":"Madison Keys","description":"If Madison Keys wins set 1 in the Petra Marcinko vs Madison Keys professional tennis match in the 2026 WTA Eastbourne Semifinal, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Petra Marcinko vs Madison Keys professional tennis match in the 2026 WTA Eastbourne Semifinal. 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":0.010000000000000009,"active":false,"closed":true,"start_date":"2026-06-25T18:50:00Z","end_date":"2026-07-10T11:10:00Z","closed_time":"2026-07-10T11:10:00Z","volume":26590.49,"volume_24hr":26590.49,"prob_24h_change":0.99,"volume_24h_change":26590.49,"normalized_vol_24hr":31.31487274169922,"normalized_volume":30.70016860961914,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-06-26T13:07:29.566499Z","fetched_at":"2026-06-26T13:06:57.373300Z","added_at":"2026-06-25T19:02:23.764514Z","url":"https://kalshi.com/markets/kxwtasetwinner/petra-marcinko-vs-madison-keys-set-1-winner/kxwtasetwinner-26jun26markey-1","event_title":"Petra Marcinko vs Madison Keys: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.79,0.79,0.79,0.78,0.78,0.8,0.89,0.99]},{"source":"kalshi","id":"KXWTASETWINNER-26JUN26MARKEY-1-MAR","event_id":"KXWTASETWINNER-26JUN26MARKEY-1","slug":"KXWTASETWINNER-26JUN26MARKEY-1-MAR","question":"Will Petra Marcinko win set 1 in the Petra Marcinko vs Madison Keys match","group_item_title":"Petra Marcinko","description":"If Petra Marcinko wins set 1 in the Petra Marcinko vs Madison Keys professional tennis match in the 2026 WTA Eastbourne Semifinal, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Petra Marcinko vs Madison Keys professional tennis match in the 2026 WTA Eastbourne Semifinal. 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":0.01,"active":false,"closed":true,"start_date":"2026-06-25T18:50:00Z","end_date":"2026-07-10T11:10:00Z","closed_time":"2026-07-10T11:10:00Z","volume":16080.42,"volume_24hr":16080.42,"prob_24h_change":0.01,"volume_24h_change":16080.42,"normalized_vol_24hr":28.299589157104492,"normalized_volume":27.744075775146484,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-06-26T13:06:57.373300Z","fetched_at":"2026-06-26T13:06:57.373300Z","added_at":"2026-06-25T19:02:23.764514Z","url":"https://kalshi.com/markets/kxwtasetwinner/petra-marcinko-vs-madison-keys-set-1-winner/kxwtasetwinner-26jun26markey-1","event_title":"Petra Marcinko vs Madison Keys: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.22,0.22,0.22,0.22,0.22,0.22,0.12,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXWTASETWINNER-26JUN26MARKEY-1","as_of":"2026-06-26T15:47:00.479108Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Petra Marcinko vs Madison Keys: Set 1 Winner\" — top market at 99% probability across 2 outcomes","source_url":null}}