Utah AG sues prediction market Kalshi, seeking $60M in restitution and operational ban

Key points

• The complaint, filed in 3rd District Court, names Kalshi, four subsidiaries, and two Pennsylvania-based trading firms that provide liquidity and pricing for the platform.
• Utah estimates Kalshi collected between $30.6 million and $61.2 million in fees from Utah accounts, while residents lost $5.5 million in individual wagers.
• The state argues Kalshi’s 'event contracts' are indistinguishable from traditional sportsbook bets, including proposition bets and point spreads, despite the company’s claim that they are federally regulated financial swaps.
• Brown requested a court order to force Kalshi to adopt a geolocation tool to block Utah users, citing 'significant and substantial ongoing harm' to residents.
• The lawsuit follows a federal judge’s August ruling that allowed Utah to regulate prediction markets, a decision Kalshi is currently appealing in the 10th U.S. Circuit Court of Appeals.

Background

Utah has maintained a constitutional prohibition on gambling for years, creating a legal gray area for prediction markets that claim federal regulatory status. In July 2026, Brown joined 43 other attorneys general in a letter condemning these platforms as a 'new form of casino.' This latest action follows a federal judge’s August 2026 ruling that rejected Kalshi’s argument that only the Commodity Futures Trading Commission has authority over its markets. The state’s move also coincides with recent religious commentary in Utah defining such betting as sinful, which prompted some residents to delete their apps.

How outlets are covering it

The Salt Lake Tribune and KUTV emphasize the state’s characterization of Kalshi as a 'back-alley gambling den' and highlight the financial losses incurred by Utah residents. FOX 13 News Utah focuses on the company’s defense, noting that Kalshi describes itself as a federally regulated financial exchange similar to the stock market and argues that no single state should have a veto over its operations. Axios highlights the potential for punitive damages and notes that Utah users accounted for just over 1% of Kalshi’s total wagers as of February, yet the state estimates over 3 billion illegal wagers have been placed since the platform’s 2021 launch. All sources agree that the lawsuit is part of a broader national effort by multiple states to regulate or ban prediction markets.

Why it matters

This lawsuit represents a significant escalation in the legal battle over the definition of prediction markets in the United States. If successful, it could set a precedent for other states to enforce gambling bans on platforms that claim federal regulatory exemptions. The case also highlights the tension between state gambling laws and federal financial regulations, potentially impacting the future of the prediction market industry nationwide.

What to watch

Kalshi has appealed the August federal ruling to the 10th U.S. Circuit Court of Appeals and is seeking to block enforcement of Utah’s laws during the appeal. The state is gathering more information to prepare for a potential civil trial, while Brown has urged other companies using similar models to comply with Utah law. The outcome of the federal appeal will likely determine whether the state court proceedings can proceed as planned.