Key Moments:
- A King County Superior Court granted Washington a preliminary injunction against Kalshi on Monday.
- However, the court delayed enforcement until at least August 5 while both sides submit proposed terms.
- Meanwhile, similar legal actions have led courts in Massachusetts, Nevada, and Michigan to issue preliminary injunctions against Kalshi.
Preliminary Injunction Limits Kalshi’s Activities in Washington
A King County Superior Court judge issued a preliminary injunction in Washington’s case against Kalshi, the prediction market operator. The judge found that Washington has a strong chance of winning the case. The ruling states that Kalshi likely violates the state’s gambling rules. However, the order will not take effect immediately. Both sides now have until at least August 5 to submit proposed language on the injunction’s scope and enforcement.
The dispute centers on whether Kalshi’s sports event contracts fall only under federal law through the Commodity Exchange Act (CEA). Alternatively, the issue is whether states like Washington can classify these contracts as illegal gambling for residents.
Federal Preemption Argument Faces Legal Challenge
In its ruling, the Washington court separated gambling regulation from futures market oversight. The judge found that enforcing state gambling laws does not interfere with the federal goal of creating a consistent futures market system under the CEA.
Kalshi argued that federal preemption protects its operations because the Commodity Futures Trading Commission regulates its designated contract market status. However, the court sided with Washington’s argument. The state aims to enforce its sports gambling ban rather than control federally regulated commodity exchanges.
The court also followed the reasoning from the U.S. Supreme Court case Oneok, Inc. v. Learjet, Inc. The decision highlights the importance of examining a state law’s purpose when reviewing federal preemption claims. In this case, the court determined that Washington’s rules target gambling activity, not futures exchanges.
Broader Legal Battle and Next Steps
Washington now joins Massachusetts, Nevada, and Michigan in taking legal action against Kalshi. These states have also secured preliminary injunctions as disputes over sports event contracts continue. However, the ruling does not represent a final decision. Instead, it temporarily restricts Kalshi based on the court’s view that Washington has a likely chance of success.
Kalshi can still appeal while the case moves forward. Meanwhile, both sides must submit compliance proposals by August 3. A key issue will involve how Washington users are blocked from accessing the platform. The court will likely review geofencing measures before the injunction takes effect.
| State | Legal Action Against Kalshi | Status |
|---|---|---|
| Washington | Preliminary injunction granted | Delayed until at least August 5 |
| Massachusetts | Preliminary injunction granted | Active |
| Nevada | Preliminary injunction granted | Active |
| Michigan | Preliminary injunction granted | Active |
Outlook: Federal and State Authority Remain in Focus
The Washington ruling adds to a growing legal debate over sports event contracts. The key question is whether these products qualify as financial derivatives under federal law or sports wagers under state laws.
As more courts review the issue, the debate between federal and state authority will continue. Ultimately, higher courts may need to define the limits of federal protection and state gambling regulation.
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