Resolves YES if the official closing value of the S&P 500 index on Friday, October 23, 2026 is strictly higher than its official closing value on Friday, October 16, 2026 (source: S&P Dow Jones Indices, or Google Finance / Yahoo Finance ^GSPC). Resolves NO otherwise. Resolves N/A if US markets are closed on October 23. The market closes before the US close on October 23, 2026.