The 2026 Wyndham Championship marks the fifth tournament on the PGA Tour for Jackson Koivun since turning pro in June. Following his impressive start through his first four tournaments, Kalshi’s Wyndham Championship market has seen enough to price Koivun towards the top of the board. Kalshi prices Koivun at 5.9% to win the Wyndham Championship. Trading $25 on Koivun to win the Wyndham Championship at the time of writing, profits $372.45. The Wyndham Championship tees off on Thursday, August 6th, from the Sedgefield Country Club in Greensboro, North Carolina.