Will the S&P 500 be between 6400 and 6599.99 on Dec 31, 2026 at 4pm EST?

Prediction market on kalshi. If the S&P 500 index value on Dec 31, 2026 at 4pm EST is between 6400-6599.99, then the market resolves to Yes.

Resolves: 12/31/2026.