{"source":"kalshi","id":"KXPGAH2H-USO26R4JKEELABE","ticker":"KXPGAH2H-USO26R4JKEELABE","slug":"KXPGAH2H-USO26R4JKEELABE","title":"4th Round Head-to-Head: Keefer vs Aberg","description":null,"image":null,"icon":null,"active":false,"closed":true,"start_date":"2026-06-21T01:21:00Z","end_date":"2026-07-05T13:29:00Z","closed_time":"2026-06-21T17:39:51Z","volume":4893.8099999999995,"volume_24hr":4893.8099999999995,"volume_24h_change":null,"normalized_vol_24hr":21.378787994384766,"normalized_volume":18.26152992248535,"liquidity":null,"open_interest":4563.75,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":"USO26R4JKEELABE","parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Ludvig Aberg beats John Keefer in the 4th Round","top_outcome_probability":0.99,"top_outcome_prob_24h_change":0.99,"top_outcome_volume_24h_change":3015.79,"updated_at":"2026-06-21T17:41:53.894405Z","fetched_at":"2026-06-21T17:41:53.894405Z","added_at":"2026-06-21T01:31:21.224363Z","url":"https://kalshi.com/markets/kxpgah2h/4th-round-head-to-head-keefer-vs-aberg/kxpgah2h-uso26r4jkeelabe","chart_24h":[0.0,12.0,15.05,61.38,64.38,134.41,150.79000000000002,2652.74,2752.74,2757.75,2780.96,3099.18],"markets":[{"source":"kalshi","id":"KXPGAH2H-USO26R4JKEELABE-LABE","event_id":"KXPGAH2H-USO26R4JKEELABE","slug":"KXPGAH2H-USO26R4JKEELABE-LABE","question":"Will Ludvig Aberg beat John Keefer in the 4th round of the U.S. Open?","group_item_title":"Ludvig Aberg beats John Keefer in the 4th Round","description":"If Ludvig Aberg wins the head-to-head matchup against John Keefer in the 4th round of the 2026 U.S. Open, then the market resolves to Yes.\n\n---\n\nIf the head-to-head matchup is for a singular round, only the golfers’ scores from that specific round will be considered for the resolution of the market, regardless of their cumulative tournament score at the end of that round.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the PGA. 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All trademarks, logos, and brand names are the property of their respective owners.","image":null,"icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.01,0.99],"probability":0.01,"spread":1.0,"active":false,"closed":true,"start_date":"2026-06-21T01:21:00Z","end_date":"2026-07-05T13:29:00Z","closed_time":"2026-06-21T17:39:51Z","volume":1878.02,"volume_24hr":1878.02,"prob_24h_change":0.01,"volume_24h_change":1878.02,"normalized_vol_24hr":17.88172721862793,"normalized_volume":16.54689598083496,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-06-21T17:42:20.280393Z","fetched_at":"2026-06-21T17:41:53.900166Z","added_at":"2026-06-21T01:31:21.354919Z","url":"https://kalshi.com/markets/kxpgah2h/4th-round-head-to-head-keefer-vs-aberg/kxpgah2h-uso26r4jkeelabe","event_title":"4th Round Head-to-Head: Keefer vs Aberg","chart_24h":[0.0,0.0,0.38,0.38,0.38,0.38,0.37,0.37,0.37,0.29,0.29,0.29,0.29,0.29,0.01]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/kalshi/KXPGAH2H-USO26R4JKEELABE","as_of":"2026-06-21T17:44:30.624926Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Kalshi): \"4th Round Head-to-Head: Keefer vs Aberg\" — top market at 99% probability across 2 outcomes","source_url":null}}