Key Takeaways
- US District Judge Katherine Menendez granted a preliminary injunction halting Minnesota’s prediction market prohibition
- Kalshi and Polymarket US, both CFTC-regulated platforms, are protected by the ruling
- The court determined Minnesota’s statute likely violates federal preemption under the Commodity Exchange Act
- The CFTC joined as a co-plaintiff, defending its regulatory authority
- The temporary order remains effective pending final resolution of the case
Minnesota’s effort to prohibit prediction market operations has been put on hold after a federal district court issued a preliminary injunction, allowing platforms like Kalshi and Polymarket US to maintain their services in the state during ongoing litigation.
Judge Katherine Menendez of the US District Court delivered the injunction this Monday, concluding that Minnesota’s statute appears to be superseded by federal commodity trading regulations.
Background of the Legal Challenge
The Minnesota legislature enacted legislation that would prohibit the establishment, management, and promotion of prediction markets within state borders. The law was scheduled to become operative this coming Saturday, with potential criminal sanctions for violations.
Kalshi, Polymarket US, alongside the Commodity Futures Trading Commission, initiated legal proceedings challenging Minnesota’s statute. Their central argument contended that state authorities lack jurisdiction over these financial instruments because prediction market contracts constitute “swaps,” which remain under exclusive federal oversight.
In her preliminary assessment, Judge Menendez sided with the plaintiffs’ position. Her analysis indicated the challengers demonstrated a strong likelihood of establishing that federal regulatory frameworks preempt the state prohibition.
The court’s opinion emphasized that refusing injunctive relief would result in “irreparable harm” to the affected platforms.
Court’s Legal Reasoning
Judge Menendez’s decision highlighted that prediction market contracts meeting the classification of swaps operate within the CFTC’s exclusive regulatory domain. Given the CFTC’s oversight of designated contract markets, individual states cannot implement conflicting regulations governing identical products.
The judge acknowledged certain limitations, however. Not all contracts available on these platforms necessarily qualify as swaps under federal definitions. She referenced predictions concerning reality television outcomes, such as “Love Island” winners, as potential examples of contracts that might fall outside swap classifications.
Nevertheless, she determined that fashioning a precisely tailored injunction addressing only these exceptional circumstances would be impractical at this preliminary stage.
The injunction applies to both platforms and preserves current operations until the case reaches final adjudication.
The CFTC’s direct participation as a plaintiff strengthened the legal challenge considerably. The federal agency’s engagement demonstrated its determination to protect its jurisdictional authority over prediction market products across the nation.
The outcome of this litigation may establish important precedent influencing how additional states consider prediction market regulation in the future.





