A federal court in Minnesota has blocked the state’s first attempt to ban prediction markets, preventing a total prohibition from taking effect just days before. While the ruling means the ban won't stand as is, it leaves open the possibility that certain types of wagers might still be restricted.

Minnesota lawmakers viewed prediction markets through the lens of gambling, but the US Commodity Futures Trading Commission (CFTC) argues it has exclusive authority to regulate these platforms under federal law. The crux of the legal battle lies in determining whether event contracts qualify as 'swaps,' which are subject to CFTC regulation.

US District Judge Katherine Menendez, a Biden appointee, deemed Minnesota's ban likely unconstitutional because many trades facilitated by Kalshi and Polymarket fall under the definition of swaps. She issued a preliminary injunction, stating that the CFTC, Kalshi, and Polymarket have shown they are likely to succeed on legal grounds. The judge did not preclude all forms of event contracts, noting some might not meet the swap criteria.

Minnesota’s Attorney General argued passionately that prediction markets equate to gambling, but the court's decision highlights the complex interplay between state and federal regulation in financial markets. This case sets a precedent for future legal battles over what constitutes regulated financial activity, leaving room for nuanced regulations on specific types of wagers.