Washington Judge Orders Kalshi to Halt Most Sports and Election Betting Contracts

King County Superior Court Judge John McHale issued a final order on August 13 requiring Kalshi to stop offering wagers to Washington residents on sports, elections, politics, entertainment, culture, technology, science, and so-called mention contracts, finding the company likely violated the state's gambling and consumer protection laws. The order gives Kalshi until August 19 to put an IP- and residency-based geofence in place, with a more advanced multi-source geofencing system required by September 2. Missing that deadline could cost the company $120,000 a day.

Washington Attorney General Nick Brown's office argued Kalshi built much of its business on sports and election wagers marketed as prediction markets rather than gambling, pointing to ads telling users they had found a way to bet on the NFL despite state law. The ruling builds on a preliminary injunction McHale granted in July and follows similar court orders against Kalshi in Massachusetts, Michigan, and Nevada. Kalshi says it disagrees with the decision and is considering its legal options, arguing federal law gives the Commodity Futures Trading Commission exclusive jurisdiction over its exchange. The company reported roughly $33 billion in trading volume in June alone, and the ruling lands as Kalshi is reportedly weighing a valuation near $40 billion.

What supporters say:

  • State regulators say Kalshi's sports and election contracts function exactly like sports betting, just without the licensing, taxes, or consumer protections regulated sportsbooks must follow.

  • Advocacy groups have flagged that Kalshi allows users as young as 18 to trade on outcomes, four years younger than Washington's minimum age for licensed sports betting.

What critics say:

  • Kalshi contends the Commodity Futures Trading Commission holds exclusive federal jurisdiction over its contracts, meaning state gambling laws shouldn't apply at all.

  • Restricting prediction markets state by state creates a confusing patchwork for consumers and could push activity toward less regulated offshore platforms instead.

What's your take?

Should states like Washington be able to force prediction market platforms like Kalshi to shut down their sports and election betting contracts? Yes ↑ No ↓ Other ◇

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About Square One

Judge mandates Kalshi to halt most operations in Washington
A Washington state judge ordered prediction market Kalshi to halt most operations in the state, finding it functioned as an illegal gambling operation under state law, while allowing activity limited to markets like economics, finance, climate and commodities.
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