
CFTC Sues Illinois, Arizona, Connecticut To Reclaim Exclusive Regulation Over Prediction Markets
Key Takeaways
- CFTC filed lawsuits against Illinois, Arizona and Connecticut to reaffirm exclusive jurisdiction over prediction markets.
- States sought to shutter or regulate Kalshi and Polymarket, prompting federal action.
- DOJ joined the action, filing separate suits against the states.
Federal-State Clash
The CFTC sued Illinois, Arizona, and Connecticut to reassert exclusive federal jurisdiction over prediction markets.
“CFTC sues Illinois, Arizona, Connecticut over states' sports prediction market efforts The CFTC argued in a lawsuit that the Commodity Exchange Act gave it "exclusive jurisdiction" over all swaps, which include prediction markets”
The CFTC argued Congress gave it exclusive jurisdiction over swaps, including prediction markets.

Thirty-nine attorneys general had already sided with Nevada in enforcement actions.
This is the first time a federal agency has sued states over prediction markets.
States See Sports Betting, CFTC Sees Swaps
Illinois and other states issued cease-and-desist orders, arguing platforms were unlicensed gambling operators.
Arizona filed criminal charges against Kalshi.

The CFTC insists these products are derivatives that enable parties to trade on predictions about future events.
Engadget explained futures contracts are financial instruments distinct from traditional bets.
CFTC Pushing Back on Fragmented Enforcement
CFTC Chairman Selig framed the lawsuits as defending market participants against overzealous state regulators.
“Release Number 9206-26 CFTC Sues Trio of States to Reaffirm its Exclusive Jurisdiction Over Prediction Markets April 02, 2026 WASHINGTON — The Commodity Futures Trading Commission today filed lawsuits challenging the actions of Arizona, Connecticut, and Illinois against CFTC-registered designated contract markets”
Congress rejected a fragmented patchwork of state regulations because it resulted in poorer consumer protection.
The CFTC first recognized event contracts in 1992.
Quartz summarized the lawsuits escalate a broader conflict between federal and state governments.
Industry-Government Links Revealed
Each platform holds registrations with the CFTC, structuring contracts as financial instruments.
Kalshi enjoys lobbying support of the Trump political operation.
The legal battle could ultimately land in the U.S. Supreme Court.
States Prepare to Fight
Connecticut's Attorney General said the Trump Administration is recycling industry arguments rejected by courts.
“The debate over prediction markets in the United States has entered a new phase”
These contracts are plainly unlicensed illegal gambling under state law, Tong said.

Arizona’s Department of Gaming acknowledged the lawsuits but declined further comment.
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