Data: Q3 forecast market nominal trading volume reaches 194.1 billion USD

The predicted market report for Q3 2026 shows that the nominal trading volume in the predicted market is expected to reach $194.1 billion, a 75% increase from Q2. Regulated exchanges in the United States account for 89% of the nominal trading volume, up from 69% in Q2; cross-market trading accounts for 44% of the nominal trading volume in the U.S., surpassing the 39% of individual sports events.

American Spend data shows that the 11 states in the U.S. where sports betting has not yet been legalized hold about one-third of the adult population in the U.S., and these states contributed 55% of Kalshi's bank card deposits in September 2026. Users aged 18 to 24 account for 30% of Kalshi's bank card deposits. Kalshi and Polymarket US together account for 11% of the relevant betting application bank card deposits, up from 3% in Q1. Blask data shows that Kalshi's share of search demand in the U.S. predicted market has increased from 23% to 34%.