{"source":"kalshi","id":"KXBOXING-26AUG08WILLIASIMPSO","ticker":"KXBOXING-26AUG08WILLIASIMPSO","slug":"KXBOXING-26AUG08WILLIASIMPSO","title":"Troy Williamson vs Callum Simpson","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-01T00:05:00Z","end_date":"2026-08-22T18:00:00Z","closed_time":null,"volume":1261.29,"volume_24hr":1261.29,"volume_24h_change":null,"normalized_vol_24hr":17.754741668701172,"normalized_volume":13.76561164855957,"liquidity":null,"open_interest":898.27,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"26AUG08WILLIASIMPSO","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Callum Simpson","top_outcome_probability":0.58,"top_outcome_prob_24h_change":0.58,"top_outcome_volume_24h_change":321.46,"updated_at":"2026-08-02T08:57:46.196434Z","fetched_at":"2026-08-02T08:57:46.196434Z","added_at":"2026-08-01T00:12:52.651843Z","url":"https://kalshi.com/markets/kxboxing/troy-williamson-vs-callum-simpson/kxboxing-26aug08williasimpso","chart_24h":[16.47,16.68,21.15,29.509999999999998,49.51,52.51,52.51,60.51,182.51000000000002,517.96,859.22,870.4,870.4,1040.0,1062.0,1086.0,1093.81,1093.81,1261.29],"markets":[{"source":"kalshi","id":"KXBOXING-26AUG08WILLIASIMPSO-SIMPSO","event_id":"KXBOXING-26AUG08WILLIASIMPSO","slug":"KXBOXING-26AUG08WILLIASIMPSO-SIMPSO","question":"Troy Williamson vs Callum Simpson Winner?","group_item_title":"Callum Simpson","description":"If Callum Simpson wins the Troy Williamson vs Callum Simpson boxing match originally scheduled for Aug 8, 2026, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Troy Williamson vs Callum Simpson boxing match originally scheduled for Aug 8, 2026. 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":[0.58,0.42000000000000004],"probability":0.58,"spread":0.009999999999999898,"active":true,"closed":false,"start_date":"2026-08-01T00:05:00Z","end_date":"2026-08-22T18:00:00Z","closed_time":"2026-08-22T18:00:00Z","volume":321.46,"volume_24hr":321.46,"prob_24h_change":0.58,"volume_24h_change":321.46,"normalized_vol_24hr":13.467584609985352,"normalized_volume":10.385576248168945,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-02T09:54:51.625314Z","fetched_at":"2026-08-02T09:54:51.625314Z","added_at":"2026-08-01T00:12:53.308865Z","url":"https://kalshi.com/markets/kxboxing/troy-williamson-vs-callum-simpson/kxboxing-26aug08williasimpso","event_title":"Troy Williamson vs Callum Simpson","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.59,0.59,0.59,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58,0.58]},{"source":"kalshi","id":"KXBOXING-26AUG08WILLIASIMPSO-WILLIA","event_id":"KXBOXING-26AUG08WILLIASIMPSO","slug":"KXBOXING-26AUG08WILLIASIMPSO-WILLIA","question":"Troy Williamson vs Callum Simpson Winner?","group_item_title":"Troy Williamson","description":"If Troy Williamson wins the Troy Williamson vs Callum Simpson boxing match originally scheduled for Aug 8, 2026, then the market resolves to Yes.\n\n---\n\nThe following market refers to the Troy Williamson vs Callum Simpson boxing match originally scheduled for Aug 8, 2026. 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":[0.43,0.5700000000000001],"probability":0.43,"spread":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-08-01T00:05:00Z","end_date":"2026-08-22T18:00:00Z","closed_time":"2026-08-22T18:00:00Z","volume":939.83,"volume_24hr":939.83,"prob_24h_change":-0.010000000000000009,"volume_24h_change":939.62,"normalized_vol_24hr":18.923830032348633,"normalized_volume":14.593178749084473,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-02T09:54:51.625314Z","fetched_at":"2026-08-02T09:54:51.625314Z","added_at":"2026-08-01T00:12:53.308865Z","url":"https://kalshi.com/markets/kxboxing/troy-williamson-vs-callum-simpson/kxboxing-26aug08williasimpso","event_title":"Troy Williamson vs Callum Simpson","chart_24h":[0.44,0.43,0.43,0.43,0.43,0.41,0.41,0.41,0.41,0.44,0.43,0.43,0.43,0.43,0.41,0.43,0.43]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXBOXING-26AUG08WILLIASIMPSO","as_of":"2026-08-02T12:48:29.336298Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Troy Williamson vs Callum Simpson\" — top market at 43% probability across 2 outcomes","source_url":null}}