Kalshi US visits soar 1,500% as regulatory pressure mounts

Kalshi’s US web traffic climbed more than 1,500% in less than a year, while trading volume grew even faster and legal scrutiny of its sports contracts intensified.

Major prediction market platform Kalshi has seen its US web traffic explode over the past year, underscoring the platform’s rapid growth while regulators and courts scrutinize its expanding event-contract business.

Kalshi recorded 15.4 million visits from the United States in July, up about 1,520% from just under 1 million in August 2025, according to Similarweb traffic estimates reviewed by Cointelegraph on Friday.

US traffic accounted for nearly 80% of Kalshi’s traffic in July, up from 72.8% in August 2025, showing that its growth has remained heavily concentrated in the country.

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