{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26JUL15HOLMAY","ticker":"KXATPCHALLENGERMATCH-26JUL15HOLMAY","slug":"KXATPCHALLENGERMATCH-26JUL15HOLMAY","title":"Holmgren vs Mayo","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-07-15T04:50:00Z","end_date":"2026-07-29T16:40:00Z","closed_time":null,"volume":2418.19,"volume_24hr":2418.19,"volume_24h_change":null,"normalized_vol_24hr":17.369770050048828,"normalized_volume":16.427532196044922,"liquidity":null,"open_interest":1893.74,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26JUL15HOLMAY","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"August Holmgren","top_outcome_probability":0.64,"top_outcome_prob_24h_change":0.64,"top_outcome_volume_24h_change":482.87,"updated_at":"2026-07-15T14:45:07.385353Z","fetched_at":"2026-07-15T14:45:07.385353Z","added_at":"2026-07-15T04:51:57.669179Z","url":"https://kalshi.com/markets/kxatpchallengermatch/holmgren-vs-mayo/kxatpchallengermatch-26jul15holmay","chart_24h":[0.0,2.0,23.0,23.0,117.33,120.33,699.33,915.33,915.33,1239.9,1411.92,1412.43,1634.4299999999998],"markets":[{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26JUL15HOLMAY-HOL","event_id":"KXATPCHALLENGERMATCH-26JUL15HOLMAY","slug":"KXATPCHALLENGERMATCH-26JUL15HOLMAY-HOL","question":"Will August Holmgren win the Holmgren vs Mayo: Round Of 16 match?","group_item_title":"August Holmgren","description":"If August Holmgren wins the Holmgren vs Mayo professional tennis match in the 2026 ATP Challenger Granby Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Holmgren vs Mayo professional tennis match in the 2026 ATP Challenger Granby 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).\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":[0.64,0.36],"probability":0.64,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-15T04:50:00Z","end_date":"2026-07-29T16:40:00Z","closed_time":"2026-07-29T16:40:00Z","volume":482.87,"volume_24hr":482.87,"prob_24h_change":0.64,"volume_24h_change":482.87,"normalized_vol_24hr":11.475908279418945,"normalized_volume":10.71792984008789,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-07-15T14:45:57.953422Z","fetched_at":"2026-07-15T14:45:08.037851Z","added_at":"2026-07-15T04:51:57.871257Z","url":"https://kalshi.com/markets/kxatpchallengermatch/holmgren-vs-mayo/kxatpchallengermatch-26jul15holmay","event_title":"Holmgren vs Mayo","chart_24h":[0.0,0.74,0.74,0.73,0.73,0.69,0.67,0.67,0.66,0.66,0.66,0.65]},{"source":"kalshi","id":"KXATPCHALLENGERMATCH-26JUL15HOLMAY-MAY","event_id":"KXATPCHALLENGERMATCH-26JUL15HOLMAY","slug":"KXATPCHALLENGERMATCH-26JUL15HOLMAY-MAY","question":"Will Aidan Mayo win the Holmgren vs Mayo: Round Of 16 match?","group_item_title":"Aidan Mayo","description":"If Aidan Mayo wins the Holmgren vs Mayo professional tennis match in the 2026 ATP Challenger Granby Round Of 16 after a ball has been played, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Holmgren vs Mayo professional tennis match in the 2026 ATP Challenger Granby 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).\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":[0.34,0.6599999999999999],"probability":0.34,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-07-15T04:50:00Z","end_date":"2026-07-29T16:40:00Z","closed_time":"2026-07-29T16:40:00Z","volume":1935.32,"volume_24hr":1935.32,"prob_24h_change":0.34,"volume_24h_change":1935.32,"normalized_vol_24hr":17.2020263671875,"normalized_volume":16.065841674804688,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-07-15T14:45:57.953422Z","fetched_at":"2026-07-15T14:45:08.037851Z","added_at":"2026-07-15T04:51:57.871257Z","url":"https://kalshi.com/markets/kxatpchallengermatch/holmgren-vs-mayo/kxatpchallengermatch-26jul15holmay","event_title":"Holmgren vs Mayo","chart_24h":[0.0,0.0,0.0,0.3,0.29,0.3,0.3,0.33,0.34,0.34]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPCHALLENGERMATCH-26JUL15HOLMAY","as_of":"2026-07-15T14:54:43.768019Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Holmgren vs Mayo\" — top market at 34% probability across 2 outcomes","source_url":null}}