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Washington State Lawsuit Adds to Growing Legal Pressure on Kalshi
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Washington State Lawsuit Adds to Growing Legal Pressure on Kalshi

Prediction market platform Kalshi is facing another legal challenge after Washington state filed a lawsuit alleging violations of gambling laws. The complaint, filed by Attorney General Nick Brown, argues that the company’s products function similarly to traditional sportsbooks and therefore fall under state gambling restrictions.

Tristan R.
By Tristan R.

Senior Author · March 28, 2026

2 min
Key takeaways
Prediction market platform Kalshi is facing another legal challenge after Washington state filed a lawsuit alleging violations of gambling laws.
The complaint, filed by Attorney General Nick Brown , argues that the company’s products function similarly to traditional sportsbooks and therefore fall under state gambling restrictions.
Washington Authorities Cite Consumer and Gambling Law Violations State officials claim Kalshi violated the Washington Consumer Protection Act , Gambling Act , and Recovery of Money Lost at Gambling Act .

Prediction market platform Kalshi is facing another legal challenge after Washington state filed a lawsuit alleging violations of gambling laws. The complaint, filed by Attorney General Nick Brown, argues that the company’s products function similarly to traditional sportsbooks and therefore fall under state gambling restrictions.

Washington Authorities Cite Consumer and Gambling Law Violations

State officials claim Kalshi violated the Washington Consumer Protection Act, Gambling Act, and Recovery of Money Lost at Gambling Act. The lawsuit points to the state’s strict ban on online gambling, stating that Kalshi allows users to stake money on future events with potential payouts, which meets the legal definition of gambling under state law.

Cover page of State of Washington v. KalshiEx,: King County Superior Court

Kalshi responded by seeking to move the case to federal court, arguing that prediction market contracts fall under the jurisdiction of the Commodity Futures Trading Commission and noting that the state provided no prior warning before filing the lawsuit.

The Washington case follows similar actions across the country. A Nevada judge recently issued a temporary restraining order blocking Kalshi operations, while Arizona authorities filed charges alleging the platform ran an unlicensed gambling business. These cases reflect growing nationwide scrutiny as regulators question whether prediction markets operate within existing gambling laws.

Disclaimer

This content is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency trading involves risk and may result in financial loss.

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Disclaimer

This content is for informational purposes only and does not constitute financial, investment, or legal advice. Cryptocurrency trading involves risk and may result in financial loss.

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About the author

Tristan R.
Tristan R.

8+ years covering crypto markets, macro, and geopolitics. Previously at Decrypt and CoinDesk. Focused on the intersection of digital assets and traditional finance.