Prediction market July trading volume hits $55.5 billion…Kalshi holds 70% share

July prediction-market volume hit a record $55.5 billion, with 383.9 million trades also marking an all-time high.

Kalshi, the CFTC-regulated U.S. platform, accounted for about 70% of total activity and dominated the market.

The surge was linked to the World Cup tournament schedule, suggesting short-term sports events can rapidly lift demand.

The record underscores how quickly prediction markets can scale and how Kalshi’s dominance may shape future competition.