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%