{"_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/KXATP-26","as_of":"2026-10-25T21:50:54.593178Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"2026 ATP Brussels Winner\" — \"Tallon Griekspoor\" leads at 99% across 4 outcomes as of 2026-10-25 UTC. https://pdata.world/events/kalshi/KXATP-26","source_url":"https://kalshi.com/markets/kxatp/2026-atp-brussels-winner/kxatp-26"},"source":"kalshi","id":"KXATP-26","ticker":"KXATP-26","slug":"KXATP-26","title":"2026 ATP Brussels Winner","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-10-23T22:10:00Z","end_date":"2026-11-28T10:30:00Z","closed_time":null,"volume":3776.02,"volume_24hr":3688.02,"volume_24h_change":null,"normalized_vol_24hr":21.07199478149414,"normalized_volume":18.16485023498535,"liquidity":null,"open_interest":3776.02,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Tallon Griekspoor","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.05999999999999994,"top_outcome_volume_24h_change":3656.0,"updated_at":"2026-10-25T19:43:51.931285Z","fetched_at":"2026-10-25T19:43:51.931285Z","added_at":"2026-10-23T22:23:37.334527Z","url":"https://kalshi.com/markets/kxatp/2026-atp-brussels-winner/kxatp-26","chart_24h":[92.02,62.019999999999996,3746.02,3702.6,3688.02],"kind":"live","mutually_exclusive":true,"markets_total":4,"markets":[{"source":"kalshi","id":"KXATP-26-GRI","event_id":"KXATP-26","slug":"KXATP-26-GRI","question":"2026 ATP Brussels: Tallon Griekspoor wins","group_item_title":"Tallon Griekspoor","description":"If Tallon Griekspoor wins the 2026 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes.\n\n---\n\nThe following market refers to the 2026 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.\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":0.010000000000000009,"active":true,"closed":false,"start_date":"2026-10-23T22:10:00Z","end_date":"2026-11-28T10:30:00Z","closed_time":"2026-11-28T10:30:00Z","result":null,"volume":3715.02,"volume_24hr":3687.02,"prob_24h_change":0.05999999999999994,"volume_24h_change":3656.0,"normalized_vol_24hr":22.77681541442871,"normalized_volume":21.03614616394043,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-25T19:29:30.012801Z","fetched_at":"2026-10-25T19:29:30.012801Z","added_at":"2026-10-23T22:23:37.475431Z","url":"https://kalshi.com/markets/kxatp/2026-atp-brussels-winner/kxatp-26","event_title":"2026 ATP Brussels Winner","chart_24h":[0.93,0.93,0.93,0.93,0.93,0.93,0.99,0.99,0.99]},{"source":"kalshi","id":"KXATP-26-STR","event_id":"KXATP-26","slug":"KXATP-26-STR","question":"2026 ATP Brussels: Jan-Lennard Struff wins","group_item_title":"Jan-Lennard Struff","description":"If Jan-Lennard Struff wins the 2026 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes.\n\n---\n\nThe following market refers to the 2026 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.\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":[0.54,0.45999999999999996],"probability":0.54,"spread":0.01,"active":true,"closed":false,"start_date":"2026-10-23T22:10:00Z","end_date":"2026-11-28T10:30:00Z","closed_time":"2026-11-28T10:30:00Z","result":null,"volume":31.0,"volume_24hr":1.0,"prob_24h_change":0.0,"volume_24h_change":-30.0,"normalized_vol_24hr":0.16223953664302826,"normalized_volume":3.7391278743743896,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-25T19:43:52.066188Z","fetched_at":"2026-10-25T19:43:52.066188Z","added_at":"2026-10-23T22:23:37.475431Z","url":"https://kalshi.com/markets/kxatp/2026-atp-brussels-winner/kxatp-26","event_title":"2026 ATP Brussels Winner","chart_24h":[0.54,0.54,0.54,0.54,0.54,0.54,0.54,0.54,0.54]},{"source":"kalshi","id":"KXATP-26-FIL","event_id":"KXATP-26","slug":"KXATP-26-FIL","question":"2026 ATP Brussels: Arthur Fils wins","group_item_title":"Arthur Fils","description":"If Arthur Fils wins the 2026 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes.\n\n---\n\nThe following market refers to the 2026 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.\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":[0.39,0.61],"probability":0.39,"spread":0.54,"active":true,"closed":false,"start_date":"2026-10-23T22:10:00Z","end_date":"2026-11-28T10:30:00Z","closed_time":"2026-11-28T10:30:00Z","result":null,"volume":30.0,"volume_24hr":0.0,"prob_24h_change":0.0,"volume_24h_change":0.0,"normalized_vol_24hr":null,"normalized_volume":3.6709353923797607,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-25T15:03:56.127950Z","fetched_at":"2026-10-25T15:03:56.127950Z","added_at":"2026-10-23T22:23:37.475431Z","url":"https://kalshi.com/markets/kxatp/2026-atp-brussels-winner/kxatp-26","event_title":"2026 ATP Brussels Winner","chart_24h":null},{"source":"kalshi","id":"KXATP-26-CER","event_id":"KXATP-26","slug":"KXATP-26-CER","question":"2026 ATP Brussels: Francisco Cerundolo wins","group_item_title":"Francisco Cerundolo","description":"If Francisco Cerundolo wins the 2026 2026 ATP Brussels professional tennis tournament, then the market resolves to Yes.\n\n---\n\nThe following market refers to the 2026 2026 ATP Brussels professional tennis tournament. If the participant forfeits, withdraws from consideration, or takes any official action that removes them from being able to win the 2026 2026 ATP Brussels professional tennis tournament, the market will resolve No for that participant.\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":[0.0,1.0],"probability":0.0,"spread":1.0,"active":false,"closed":true,"start_date":"2026-10-23T22:10:00Z","end_date":"2026-11-28T10:30:00Z","closed_time":"2026-10-24T16:19:25Z","result":"no","volume":0.0,"volume_24hr":0.0,"prob_24h_change":null,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-10-24T16:33:13.884178Z","fetched_at":"2026-10-24T16:33:13.884178Z","added_at":"2026-10-23T22:23:37.475431Z","url":"https://kalshi.com/markets/kxatp/2026-atp-brussels-winner/kxatp-26","event_title":"2026 ATP Brussels Winner","chart_24h":null}]}