Kalshi’s market for “Will the S&P 500 be above 6499.9999 on Aug 18, 2025 at 4pm EDT?” has seen a volume of 21,449 transactions in the last 24 hours, with a 14% chance for “6,500 or above”. The market has a total open interest of 21,433 positions and liquidity of 29,490 contracts. It resolves to Yes if the S&P 500 index value on August 18, 2025 is above 6499.9999. Other top markets on Kalshi include finance and politics options.

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