Resolution criteria

This market will resolve to "Yes" if the S&P 500 Index's closing value on Oct 31, 2025, is within 1% of its all-time high.

If the market reaches a new all time high, that will be what the market must be within 1% of for the market to resolve to "Yes." If the closing value falls outside this range, the market will resolve to "No.". If the market closes exactly 1% below all time high this will resolve to 50%

• Update 2025-10-13 (PST) (AI summary of creator comment): "Within 1%" means: closing value > 0.99 × all-time high

(Not: 1.01 × closing value > all-time high)