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As of April 1, 2026, the Polymarket odds for SPY Daily Up or Down are: SPY (SPY) Up or Down on March 31?: 100%, SPY (SPY) Up or Down on April 1?: 60%. These probabilities are derived from real-money trading and update in real time.
SPY Daily Up or Down is currently available on Polymarket. Check PredictMarketCap for cross-platform availability as new markets are added regularly.
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.
