Washington Judge Grants Injunction Against Kalshi Sports Markets

Key Point

Judge John McHale of King County Superior Court in Washington granted the state's motion for a preliminary injunction against Kalshi. The judge wrote that Kalshi offers illegal gambling activities to Washington consumers and solicits bets from Washington consumers. The court will review additional materials from Kalshi and the state by Aug. 3. The preliminary injunction will not take effect until at least Aug. 5. A Kalshi spokesperson said states do not have jurisdiction to regulate prediction markets. Sports and gaming attorney Daniel Wallach said states have won 19 of 23 judicial decisions tied to prediction-market injunctions or restraining orders.

Why it matters: State-level rulings may narrow prediction-market access if courts treat sports event contracts as gambling rather than federally regulated derivatives.

Market Sentiment

Cautiously Bearish, Regulatory-driven, De-risking.

Reason: A Washington preliminary injunction against Kalshi's sports-related event contracts may weaken confidence in near-term state access.

Similar Past Cases

In 2024, a federal judge ruled that the CFTC exceeded its authority when it blocked Kalshi from offering U.S. election contracts. The ruling opened regulated election markets for Kalshi, but the current Washington case moves in the opposite direction because a state court accepted the state gambling-law argument at the preliminary injunction stage. (The Block)

Ripple Effect

State injunctions can fragment prediction-market access through jurisdiction-by-jurisdiction restrictions. If the injunction takes effect after the court review process, then other state disputes may receive more attention from venues and regulators. If more courts accept state gambling-law arguments, then prediction-market platforms may reduce sports contract availability in affected states.

Opportunities & Risks

Opportunities: If later filings strengthen Kalshi's federal preemption argument, then waiting for legal confirmation before adding related exposure reduces headline risk. A favorable appeal would be a potential re-risking signal for prediction-market-linked businesses.

Risks: If the injunction takes effect after at least Aug. 5, then treating Washington access as restricted is a risk-control signal. More state wins would raise the chance of a fragmented U.S. market for sports event contracts.