SPX Daily Up or Down

As of July 20, 2026, the Polymarket odds for SPX Daily Up or Down are: S&P 500 (SPX) Up or Down on April 30?: 100%, S&P 500 (SPX) Up or Down on April 2?: 100%, S&P 500 (SPX) Up or Down on April 14?: 100%, S&P 500 (SPX) Up or Down on April 24?: 100%, S&P 500 (SPX) Up or Down on June 15?: 100%. These probabilities are derived from real-money trading and update in real time.

SPX Daily Up or Down is currently listed on Polymarket. Check PredictMarketCap for cross-platform availability — we surface the same event on Polymarket, Kalshi & Limitless when it's listed on more than one platform.

Prediction market odds reflect the aggregate opinion of traders who risk real money on outcomes. The price of a share (e.g., 65¢) represents the market's implied probability (65%). Prices move as traders buy and sell based on new information, polls, and analysis.