{"source":"kalshi","id":"KXPGA1STTIMEWIN-USO26","ticker":"KXPGA1STTIMEWIN-USO26","slug":"KXPGA1STTIMEWIN-USO26","title":"U.S. Open: First Time Major Winner","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-06-16T18:00:00Z","end_date":"2026-06-29T02:00:00Z","closed_time":null,"volume":4042.2,"volume_24hr":4042.2,"volume_24h_change":null,"normalized_vol_24hr":21.68479347229004,"normalized_volume":17.769956588745117,"liquidity":null,"open_interest":3169.24,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Golfer to win their first major at the 2026 U.S. Open","top_outcome_probability":0.47,"top_outcome_prob_24h_change":0.47,"top_outcome_volume_24h_change":4042.2,"updated_at":"2026-06-18T06:15:43.169296Z","fetched_at":"2026-06-18T06:15:43.169296Z","added_at":"2026-06-16T18:03:55.718694Z","url":"https://kalshi.com/markets/kxpga1sttimewin/us-open-first-time-major-winner/kxpga1sttimewin-uso26","chart_24h":[128.0,136.0,153.0,341.0,357.0,414.0,966.69,1000.69,2677.58,2956.15,3961.2,4042.2],"markets":[{"source":"kalshi","id":"KXPGA1STTIMEWIN-USO26-Y","event_id":"KXPGA1STTIMEWIN-USO26","slug":"KXPGA1STTIMEWIN-USO26-Y","question":"Will a golfer win their first major at the 2026 U.S. Open?","group_item_title":"Golfer to win their first major at the 2026 U.S. Open","description":"If any golfer who has not previously won a golf major championship wins the 2026 U.S. Open, then the market resolves to Yes.\n\n---\n\nA golf major refers to one of the four annual major championship tournaments officially designated by the sport’s governing bodies: The Masters, PGA Championship, U.S. Open, and The Open Championship.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the PGA. All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.47,0.53],"probability":0.47,"spread":0.06,"active":true,"closed":false,"start_date":"2026-06-16T18:00:00Z","end_date":"2026-06-29T02:00:00Z","closed_time":"2026-06-29T02:00:00Z","volume":4042.2,"volume_24hr":4042.2,"prob_24h_change":0.47,"volume_24h_change":4042.2,"normalized_vol_24hr":23.95708465576172,"normalized_volume":20.081838607788086,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-06-18T07:12:52.541717Z","fetched_at":"2026-06-18T07:12:52.541717Z","added_at":"2026-06-16T18:03:55.850923Z","url":"https://kalshi.com/markets/kxpga1sttimewin/us-open-first-time-major-winner/kxpga1sttimewin-uso26","event_title":"U.S. Open: First Time Major Winner","chart_24h":[0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.44,0.44,0.44,0.55,0.55,0.55,0.55,0.55,0.45,0.45,0.45,0.45,0.49,0.48,0.48,0.47,0.47,0.48,0.47]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXPGA1STTIMEWIN-USO26","as_of":"2026-06-18T07:35:21.489056Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"U.S. Open: First Time Major Winner\" — top market at 47% probability across 1 outcome","source_url":null}}