{"_meta":{"attribution":"Data aggregated by pdata.world (https://pdata.world) from 8 prediction-market venues; CC BY 4.0; source data © each venue.","canonical_url":"https://pdata.world/events/kalshi/KXWTASETWINNER-26OCT16KOIDAY-1","as_of":"2026-10-17T05:57:38.354973Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Ena Koike vs Kayla Day: Set 1 Winner\" — resolved: \"Kayla Day\" (closed 2026-10-17). https://pdata.world/events/kalshi/KXWTASETWINNER-26OCT16KOIDAY-1","source_url":"https://kalshi.com/markets/kxwtasetwinner/ena-koike-vs-kayla-day-set-1-winner/kxwtasetwinner-26oct16koiday-1"},"source":"kalshi","id":"KXWTASETWINNER-26OCT16KOIDAY-1","ticker":"KXWTASETWINNER-26OCT16KOIDAY-1","slug":"KXWTASETWINNER-26OCT16KOIDAY-1","title":"Ena Koike vs Kayla Day: Set 1 Winner","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-10-16T08:50:00Z","end_date":"2026-10-31T02:30:00Z","closed_time":"2026-10-17T03:52:09Z","volume":82712.92,"volume_24hr":82240.41,"volume_24h_change":null,"normalized_vol_24hr":43.681121826171875,"normalized_volume":34.424190521240234,"liquidity":null,"open_interest":41689.92,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26OCT16KOIDAY-1","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Kayla Day","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":51112.06,"updated_at":"2026-10-17T03:54:59.572131Z","fetched_at":"2026-10-17T03:54:59.572131Z","added_at":"2026-10-16T09:01:21.998076Z","url":"https://kalshi.com/markets/kxwtasetwinner/ena-koike-vs-kayla-day-set-1-winner/kxwtasetwinner-26oct16koiday-1","chart_24h":[0.0,0.0,1.0,1201.0,1213.0,1525.0,9096.94,66778.26000000001,82240.41],"kind":"live","mutually_exclusive":true,"markets_total":2,"markets":[{"source":"kalshi","id":"KXWTASETWINNER-26OCT16KOIDAY-1-DAY","event_id":"KXWTASETWINNER-26OCT16KOIDAY-1","slug":"KXWTASETWINNER-26OCT16KOIDAY-1-DAY","question":"Will Kayla Day win set 1 in the Ena Koike vs Kayla Day match","group_item_title":"Kayla Day","description":"If Kayla Day wins set 1 in the Ena Koike vs Kayla Day professional tennis match in the 2026 WTA Osaka Qualification Round 1, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Ena Koike vs Kayla Day professional tennis match in the 2026 WTA Osaka Qualification Round 1. 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":"2026-10-16T08:50:00Z","end_date":"2026-10-31T02:30:00Z","closed_time":"2026-10-17T03:52:09Z","result":"yes","volume":51584.57,"volume_24hr":51112.06,"prob_24h_change":0.99,"volume_24h_change":51112.06,"normalized_vol_24hr":44.91323471069336,"normalized_volume":36.65377426147461,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-17T03:54:59.577710Z","fetched_at":"2026-10-17T03:54:59.577710Z","added_at":"2026-10-16T09:01:22.084108Z","url":"https://kalshi.com/markets/kxwtasetwinner/ena-koike-vs-kayla-day-set-1-winner/kxwtasetwinner-26oct16koiday-1","event_title":"Ena Koike vs Kayla Day: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.74,0.78,0.78,0.78,0.78,0.45,0.99,0.99]},{"source":"kalshi","id":"KXWTASETWINNER-26OCT16KOIDAY-1-KOI","event_id":"KXWTASETWINNER-26OCT16KOIDAY-1","slug":"KXWTASETWINNER-26OCT16KOIDAY-1-KOI","question":"Will Ena Koike win set 1 in the Ena Koike vs Kayla Day match","group_item_title":"Ena Koike","description":"If Ena Koike wins set 1 in the Ena Koike vs Kayla Day professional tennis match in the 2026 WTA Osaka Qualification Round 1, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Ena Koike vs Kayla Day professional tennis match in the 2026 WTA Osaka Qualification Round 1. 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":"2026-10-16T08:50:00Z","end_date":"2026-10-31T02:30:00Z","closed_time":"2026-10-17T03:52:09Z","result":"no","volume":31128.35,"volume_24hr":31128.35,"prob_24h_change":0.01,"volume_24h_change":31128.35,"normalized_vol_24hr":40.898651123046875,"normalized_volume":33.32088088989258,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-17T03:54:59.577710Z","fetched_at":"2026-10-17T03:54:59.577710Z","added_at":"2026-10-16T09:01:22.084108Z","url":"https://kalshi.com/markets/kxwtasetwinner/ena-koike-vs-kayla-day-set-1-winner/kxwtasetwinner-26oct16koiday-1","event_title":"Ena Koike vs Kayla Day: Set 1 Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.69,0.01,0.01]}]}