Pure Storage (PSTG)
Affirm Holdings (AFRM)
SoFi Technologies (SOFI)
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Alnylam Pharmaceuticals (ALNY)Updated Today
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As of March 30, 2026, the Polymarket odds for Companies added to S&P 500 are: . These probabilities are derived from real-money trading and update in real time.
Companies added to S&P 500 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.


