{"source":"kalshi","id":"KXITFMATCH-26MAY27KOYKOI","ticker":"KXITFMATCH-26MAY27KOYKOI","slug":"KXITFMATCH-26MAY27KOYKOI","title":"Koyama vs Koizumi","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-05-27T14:13:00Z","end_date":"2026-06-11T02:00:00Z","closed_time":"2026-05-28T05:03:37Z","volume":369836.31,"volume_24hr":367147.27,"volume_24h_change":null,"normalized_vol_24hr":55.96757125854492,"normalized_volume":44.504364013671875,"liquidity":null,"open_interest":240728.09,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26MAY27KOYKOI","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Hiromasa Koyama","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":177207.17,"updated_at":"2026-05-28T05:06:53.032448Z","fetched_at":"2026-05-28T05:06:53.032448Z","added_at":"2026-05-27T14:23:29.627972Z","url":"https://kalshi.com/markets/kxitfmatch/koyama-vs-koizumi/kxitfmatch-26may27koykoi","chart_24h":[0.0,286.48,286.48,650.29,660.23,664.23,702.6800000000001,714.6600000000001,948.8800000000001,8955.77,72543.89,367147.27,367147.27],"markets":[{"source":"kalshi","id":"KXITFMATCH-26MAY27KOYKOI-KOY","event_id":"KXITFMATCH-26MAY27KOYKOI","slug":"KXITFMATCH-26MAY27KOYKOI-KOY","question":"Will Hiromasa Koyama win the Koyama vs Koizumi: M15 Karuizawa Round of 16 match?","group_item_title":"Hiromasa Koyama","description":"If Hiromasa Koyama wins the Koyama vs Koizumi professional tennis match in the 2026 M15 Karuizawa Round of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Koyama vs Koizumi professional tennis match in the 2026 M15 Karuizawa 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), all markets will resolve to $0.50. 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":[0.99,0.010000000000000009],"probability":0.99,"spread":1.0,"active":false,"closed":true,"start_date":"2026-05-27T14:13:00Z","end_date":"2026-06-11T02:00:00Z","closed_time":"2026-05-28T05:03:37Z","volume":179896.21,"volume_24hr":177207.17,"prob_24h_change":0.99,"volume_24h_change":177207.17,"normalized_vol_24hr":52.68315505981445,"normalized_volume":47.50688934326172,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-28T05:07:14.229613Z","fetched_at":"2026-05-28T05:06:53.050346Z","added_at":"2026-05-27T14:23:29.716642Z","url":"https://kalshi.com/markets/kxitfmatch/koyama-vs-koizumi/kxitfmatch-26may27koykoi","event_title":"Koyama vs Koizumi","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.38,0.39,0.39,0.41,0.41,0.42,0.42,0.4,0.6,0.76,0.99,0.99]},{"source":"kalshi","id":"KXITFMATCH-26MAY27KOYKOI-KOI","event_id":"KXITFMATCH-26MAY27KOYKOI","slug":"KXITFMATCH-26MAY27KOYKOI-KOI","question":"Will Noritaka Koizumi win the Koyama vs Koizumi: M15 Karuizawa Round of 16 match?","group_item_title":"Noritaka Koizumi","description":"If Noritaka Koizumi wins the Koyama vs Koizumi professional tennis match in the 2026 M15 Karuizawa Round of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Koyama vs Koizumi professional tennis match in the 2026 M15 Karuizawa 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), all markets will resolve to $0.50. 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":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-05-27T14:13:00Z","end_date":"2026-06-11T02:00:00Z","closed_time":"2026-05-28T05:03:37Z","volume":189940.1,"volume_24hr":189940.1,"prob_24h_change":0.01,"volume_24h_change":189940.1,"normalized_vol_24hr":53.28987121582031,"normalized_volume":47.9344482421875,"liquidity":null,"categories":["Sports"],"updated_at":"2026-05-28T05:07:14.229613Z","fetched_at":"2026-05-28T05:06:53.050346Z","added_at":"2026-05-27T14:23:29.716642Z","url":"https://kalshi.com/markets/kxitfmatch/koyama-vs-koizumi/kxitfmatch-26may27koykoi","event_title":"Koyama vs Koizumi","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.64,0.64,0.63,0.64,0.67,0.63,0.66,0.39,0.37,0.01,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXITFMATCH-26MAY27KOYKOI","as_of":"2026-05-28T06:26:19.138101Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Koyama vs Koizumi\" — top market at 1% probability across 2 outcomes","source_url":null}}