CFTC Sues Wisconsin as Federal Authorities Escalate Legal Battle Over Prediction Market Jurisdiction
The CFTC files a federal suit against Wisconsin, claiming exclusive jurisdiction over prediction markets and challenging state attempts to enforce gambling laws.
By: AXL Media
Published: Apr 29, 2026, 10:59 AM EDT
Source: Information for this report was sourced from Gambling Insider

The Escalation of Federal Litigation in Wisconsin
The Commodity Futures Trading Commission (CFTC) has initiated a federal lawsuit against the state of Wisconsin, marking a significant expansion of its legal campaign to control prediction markets. Filed in the U.S. District Court for the Eastern District of Wisconsin, the complaint seeks to prevent state officials from applying local gambling statutes to federally regulated event contracts. This move follows the agency’s recent litigation against New York and indicates a broader strategy to utilize the Supremacy Clause to override state level interventions. The CFTC argues that Wisconsin’s actions intrude upon a national regulatory framework established by Congress to oversee complex financial derivatives.
Conflict Over Exclusive Jurisdiction and the Supremacy Clause
Central to the federal government’s argument is the assertion that the Commodity Exchange Act (CEA) provides the CFTC with exclusive jurisdiction over commodity futures, options, and swaps. The agency maintains that prediction market platforms, which facilitate trades on the outcomes of news or sports events, operate as federally regulated exchanges. According to CFTC Chair Mike Selig, states are prohibited from circumventing congressional directives that place financial market oversight in federal hands. The lawsuit aims to halt what the agency describes as an illegal attempt by Wisconsin to interfere with the operation of national swaps markets through the enforcement of preempted state laws.
State Level Enforcement Against Major Trading Platforms
The federal legal response was triggered by enforcement actions taken by Wisconsin on April 23 against several prominent operators, including Kalshi, Polymarket, Crypto.com, Robinhood, and Coinbase. State officials allege that these companies are facilitating illegal gambling and creating a public nuisance under Wisconsin statutes. Wisconsin specifically claims that these platforms allow users to place illegal sports wagers disguised as financial event contracts. The CFTC has rejected this characterization, stating that these instruments do not meet the legal definition of bets under state law but are instead financial derivatives subject only to federal oversight.
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