Prediction markets surge to $24B monthly volume, gaining Wall Street interest beyond retail trading.

Prediction markets like Polymarket and Kalshi, which allow people to bet on future events, have seen explosive growth since 2024. Their combined monthly trading volume jumped from about $5 billion in November 2024 to $24 billion by March 2026. This rapid expansion has caught Wall Street's attention, as these markets provide a direct way to gauge trader sentiment on upcoming events, potentially offering new insights beyond traditional derivatives. The trend suggests prediction markets could become a significant tool for investors and traders moving forward.