Kalshi Sees 1,500% Surge in Website Traffic as Prediction Markets Boom

Prediction market platform Kalshi recorded 15.4 million U.S. website visits in July 2026, a 1,520% increase from August 2025, according to Similarweb. U.S. users represent nearly 80% of total traffic. Monthly trading volume reached approximately $40 billion in August 2026, representing a 4,500% growth compared to the $874 million recorded a year prior.