Will Alcaraz win the US Open?

Resolves Yes per USTA. Volume $2M · Open interest 1.0M contracts · Settles in —

31¢Yes · 31%69¢No · 69%

Probability of Yes · volume bars

Order book · YesContracts

34¢2,961

33¢916

32¢2,169

31¢1,440

30¢3,642

29¢2,740

Rules & resolutionResolves to Yes if Carlos Alcaraz wins the 2026 US Open men's singles title, per the official USTA result.Full rules on Kalshi

Related:Sinner winDjokovic win

Buy Yes

ContractsAvailable $0.00

× 31¢

Payoff

Cost$31.00

Pays if Yes$100.00

Max loss$32.50

Breakeven probability32.5%

Return if correct+207.7% after fees

Kalshi fee · $0.07 × 0.31 × 0.69 × 100$1.50

OpenSea share · 30% of fee (included)$0.45

Total$32.50

Fee recomputes as the price moves — highest at 50¢ (1.75¢), lowest near 0¢ or $1. OpenSea's share is inside Kalshi's fee, never added.

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