{"source":"kalshi","id":"KXPGASTROKEMARGIN-USO26","ticker":"KXPGASTROKEMARGIN-USO26","slug":"KXPGASTROKEMARGIN-USO26","title":"U.S. Open: End of Round 4 Stroke Margin","description":null,"image":null,"icon":null,"active":true,"closed":false,"start_date":"2026-06-15T17:30:00Z","end_date":"2026-07-06T02:00:00Z","closed_time":null,"volume":2532.29,"volume_24hr":1521.48,"volume_24h_change":null,"normalized_vol_24hr":16.64051055908203,"normalized_volume":15.524259567260742,"liquidity":null,"open_interest":2107.67,"categories":["Sports"],"tags":[],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Exactly 0 strokes","top_outcome_probability":0.35,"top_outcome_prob_24h_change":0.019999999999999962,"top_outcome_volume_24h_change":-45.96,"updated_at":"2026-06-21T20:56:47.608748Z","fetched_at":"2026-06-21T20:56:47.608748Z","added_at":"2026-06-15T17:32:08.629289Z","url":"https://kalshi.com/markets/kxpgastrokemargin/us-open-end-of-round-4-stroke-margin/kxpgastrokemargin-uso26","chart_24h":[89.31,104.76,342.6,667.66,652.55,672.55,687.17,688.17,699.42,693.18,698.9,698.9,700.21,721.21,766.26,772.9499999999999,778.9499999999999,797.9499999999999,769.14,809.14,941.0500000000001,1093.62,1237.23,1385.14,1434.14,1471.3600000000001,1488.48],"markets":[{"source":"kalshi","id":"KXPGASTROKEMARGIN-USO26-0","event_id":"KXPGASTROKEMARGIN-USO26","slug":"KXPGASTROKEMARGIN-USO26-0","question":"What will be the stroke margin for the end of Round 4 leader?","group_item_title":"Exactly 0 strokes","description":"If the leading golfer has a lead of exactly 0 strokes after the final round of regulation at the 2026 U.S. Open, then the market resolves to Yes.\n\n---\n\nThe stroke margin is determined by the number of strokes separating the leading golfer from the next-closest competitor on the official leaderboard after the final round of regulation. \n\nNote: If there is a tie for the lead and the tournament goes to a playoff, then the stroke margin will be considered zero.\n\nKalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the PGA. 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