Will Jannik Sinner win the US Open?
Will Taylor Fritz win the US Open?
Will Frances Tiafoe win the US Open?
Will Novak Djokovic win the US Open?
Will Alexander Zverev win the US Open?
Will Daniil Medvedev win the US Open?
Will another player win the US Open?
Will Ben Shelton win the US Open?
Will Carlos Alcaraz win the US Open?
Will Tommy Paul win the US Open?
Will Andrey Rublev win the US Open?
Will Stefanos Tsitsipas win the US Open?
Will Matteo Berrettini win the US Open?US Open Winner (M)
Polymarket uses a central limit order book (CLOB) model โ you can buy or sell shares of any outcome at the current market price, or place limit orders. Prices represent implied probability: a $0.65 contract means the market prices a 65% chance of that outcome.