Prediction Market Volume Surges 10x in Under Two Years

Prediction Markets Surge 10x as Kalshi, Polymarket Volume Hits $48.4 Billion
Monthly trading volume on prediction markets Kalshi and Polymarket rose from $4.7 billion in November 2024 to $48.4 billion this August, a roughly 10x increase in under two years.
Sports betting drives most of the volume, while election betting has emerged as the segment disrupting traditional forecasting. 2026 midterm election volume has already surpassed the entire 2024 total, months before voting begins.
Major outlets including CNN, CNBC, Fox, and Dow Jones now cite prediction market odds in their coverage.