Will the S&P 500 close the week up?

Resolves Yes per S&P Dow Jones Indices. Volume $3M · Open interest 1.5M contracts · Settles in —

55¢Yes · 55%45¢No · 45%

Probability of Yes · volume bars

Order book · YesContracts

58¢2,961

57¢916

56¢2,169

55¢1,440

54¢3,642

53¢2,740

Rules & resolutionResolves to Yes if Friday's S&P 500 closing value is strictly greater than the prior Friday's close.Full rules on Kalshi

Related:Nasdaq up this week

Buy Yes

ContractsAvailable $0.00

× 55¢

Payoff

Cost$55.00

Pays if Yes$100.00

Max loss$56.74

Breakeven probability56.7%

Return if correct+76.2% after fees

Kalshi fee · $0.07 × 0.55 × 0.45 × 100$1.74

OpenSea share · 30% of fee (included)$0.52

Total$56.74

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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