Washington Targets Kalshi in New Gambling Lawsuit
Summary
Washington Attorney General Nicholas W. Brown filed a lawsuit on 27 March in King County Superior Court accusing prediction market platform Kalshi of operating markets that amount to illegal gambling under state law. The complaint says Kalshi’s contracts—covering sports, politics and cultural events—meet Washington’s definition of gambling because users risk money on outcomes partly determined by chance and expect payouts. The state is not only seeking to halt unlawful offerings but also aims to recover funds lost by Washington residents under the Recovery of Money Lost at Gambling Act. The suit additionally alleges Kalshi profited from trade fees, operated like a bookmaker, unlawfully transmitted gambling information online and kept prohibited records and devices. Kalshi could try to move the case to federal court; similar moves elsewhere have not yet succeeded.
Key Points
- AG Nicholas W. Brown sued Kalshi in King County Superior Court on 27 March, alleging illegal gambling.
- Washington’s complaint focuses on the legal definition of gambling: risking something of value on chance with an expected reward.
- The state seeks to recover money lost by residents under the Recovery of Money Lost at Gambling Act.
- The lawsuit accuses Kalshi of operating like a bookmaker and profiting from trade fees, plus unlawfully transmitting gambling information and keeping prohibited records.
- Kalshi has faced similar legal actions in Massachusetts, Nevada, Michigan and criminal charges in Arizona; Nevada has already secured a temporary restraining order removing some offerings.
- Kalshi may argue federal law governs its business or point to statutory exceptions for commodity/securities contracts—legal grey areas that will be tested in court.
Context and relevance
This case is part of a wider push by several US states to clamp down on prediction markets that blur the line with traditional gambling. Washington is among the stricter jurisdictions — sports betting is largely limited to tribal casinos — so its approach could set a benchmark for other states considering recovery claims on resident losses. The outcome may influence whether prediction markets can continue offering event-based contracts, how platforms design product and fee models, and whether federal pre-emption arguments gain traction.
Why should I read this?
Short and sharp: if you follow betting law, prediction markets or the regulation of fintech betting platforms, this matters. Washington isn’t just asking Kalshi to stop — it wants users’ money back. That raises the stakes for operators and could reshape what prediction markets can offer in the US. We’ve done the skimming so you don’t have to.
Author’s take
Punchy and to the point — this is a heavyweight legal test for prediction markets. If Washington succeeds in reclaiming users’ losses, it could trigger a wave of similar actions and force rapid product changes across the sector. Definitely worth watching closely.
Source
Source: https://www.gamblingnews.com/news/washington-targets-kalshi-in-new-gambling-lawsuit/