According to Odaily and Fortune, U.S. prediction market platform Kalshi saw trading volume soar from $6.67 billion on June 22 to $24.2 billion on July 14 during the 2026 World Cup, with the "World Cup champion" market alone exceeding $1.2 billion in trades.
Approximately 75% of Kalshi's visitors do not actively trade but use the platform as an information source, tracking public sentiment on sports, politics, and economic events through market prices. The company's valuation has grown to $40 billion as of June 2026, with annualized revenue surpassing $2 billion.