{"source":"kalshi","id":"KXATPCOMPETE-26USOSIN","ticker":"KXATPCOMPETE-26USOSIN","slug":"KXATPCOMPETE-26USOSIN","title":"Jannik Sinner to play in the US Open","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-08-16T21:08:00Z","end_date":"2026-10-07T14:00:00Z","closed_time":null,"volume":1389.75,"volume_24hr":1357.75,"volume_24h_change":null,"normalized_vol_24hr":18.090560913085938,"normalized_volume":14.452330589294434,"liquidity":null,"open_interest":1187.75,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Jannik Sinner","top_outcome_probability":0.71,"top_outcome_prob_24h_change":0.0,"top_outcome_volume_24h_change":1325.75,"updated_at":"2026-08-19T02:50:33.432665Z","fetched_at":"2026-08-19T02:50:33.432665Z","added_at":"2026-08-16T21:11:56.560223Z","url":"https://kalshi.com/markets/kxatpcompete/jannik-sinner-to-play-in-the-us-open/kxatpcompete-26usosin","chart_24h":[214.83,264.83,805.97,1105.97,1205.97,1325.75],"markets":[{"source":"kalshi","id":"KXATPCOMPETE-26USOSIN-SIN","event_id":"KXATPCOMPETE-26USOSIN","slug":"KXATPCOMPETE-26USOSIN-SIN","question":"Will Jannik Sinner compete in the 2026 US Open men's singles tennis tournament?","group_item_title":"Jannik Sinner","description":"If Jannik Sinner competes in the 2026 US Open men's singles tennis tournament, 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":[0.71,0.29000000000000004],"probability":0.71,"spread":0.06999999999999995,"active":true,"closed":false,"start_date":"2026-08-16T21:08:00Z","end_date":"2026-10-07T14:00:00Z","closed_time":"2026-10-07T14:00:00Z","volume":1389.75,"volume_24hr":1357.75,"prob_24h_change":0.0,"volume_24h_change":1325.75,"normalized_vol_24hr":18.982749938964844,"normalized_volume":16.306785583496094,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-08-19T02:53:25.442629Z","fetched_at":"2026-08-19T02:50:33.665744Z","added_at":"2026-08-16T21:11:56.944441Z","url":"https://kalshi.com/markets/kxatpcompete/jannik-sinner-to-play-in-the-us-open/kxatpcompete-26usosin","event_title":"Jannik Sinner to play in the US Open","chart_24h":[0.71,0.71,0.71,0.71,0.71,0.71,0.71,0.74,0.74,0.71,0.54,0.58,0.58,0.58,0.59,0.52,0.52]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXATPCOMPETE-26USOSIN","as_of":"2026-08-19T03:03:43.726052Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"Jannik Sinner to play in the US Open\" — top market at 71% probability across 1 outcome","source_url":null}}