{"source":"kalshi","id":"KXATPNATSTAGE-26FIN","ticker":"KXATPNATSTAGE-26FIN","slug":"KXATPNATSTAGE-26FIN","title":"US Open Men's Singles: Americans to Reach Final","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-20T19:37:00Z","end_date":"2026-09-21T14:00:00Z","closed_time":null,"volume":1834.19,"volume_24hr":1065.05,"volume_24h_change":null,"normalized_vol_24hr":17.345008850097656,"normalized_volume":15.405407905578613,"liquidity":null,"open_interest":1770.55,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"1+ Americans","top_outcome_probability":0.37,"top_outcome_prob_24h_change":0.16,"top_outcome_volume_24h_change":181.64,"updated_at":"2026-08-30T05:01:52.159251Z","fetched_at":"2026-08-30T05:01:52.159251Z","added_at":"2026-08-20T19:46:40.239130Z","url":"https://kalshi.com/markets/kxatpnatstage/us-open-mens-singles-americans-to-reach-final/kxatpnatstage-26fin","chart_24h":[883.41,812.58,837.88,825.3,1059.3,1065.05],"markets":[{"source":"kalshi","id":"KXATPNATSTAGE-26FIN-1","event_id":"KXATPNATSTAGE-26FIN","slug":"KXATPNATSTAGE-26FIN-1","question":"1+ American players to reach the Final in the 2026 US Open Men's Singles?","group_item_title":"1+ Americans","description":"If 1+ Americans reach the Final in the 2026 US Open Men's Singles, then the market resolves to Yes.\n\n---\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":[0.37,0.63],"probability":0.37,"spread":0.25,"active":true,"closed":false,"start_date":"2026-08-20T19:37:00Z","end_date":"2026-09-21T14:00:00Z","closed_time":"2026-09-21T14:00:00Z","volume":1834.19,"volume_24hr":1065.05,"prob_24h_change":0.16,"volume_24h_change":181.64,"normalized_vol_24hr":18.82335662841797,"normalized_volume":17.58029556274414,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-30T05:01:52.402652Z","fetched_at":"2026-08-30T05:01:52.402652Z","added_at":"2026-08-20T19:46:40.419883Z","url":"https://kalshi.com/markets/kxatpnatstage/us-open-mens-singles-americans-to-reach-final/kxatpnatstage-26fin","event_title":"US Open Men's Singles: Americans to Reach Final","chart_24h":[0.21,0.21,0.21,0.21,0.21,0.21,0.21,0.21,0.21,0.21,0.22,0.37]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPNATSTAGE-26FIN","as_of":"2026-08-30T09:21:38.445676Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"US Open Men's Singles: Americans to Reach Final\" — top market at 37% probability across 1 outcome","source_url":null}}