US Government Takes on Illinois: Block State’s Push to Regulate Prediction Markets

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In the latest episode of “Why Can’t We All Just Get Along?”, the US Department of Justice (DOJ) and the Commodity Futures Trading Commission (CFTC) have decided to take Illinois to court. Their aim? To block the state from enforcing its gambling laws on prediction market operators who are already licensed as Designated Contract Markets (DCMs), and it’s happening on April 2, 2026. Brace yourselves.

The lawsuit, filed under case number 1:26-cv-03659 in the US District Court for the Northern District of Illinois, doesn’t just go after the state like a rogue vigilante. It brings in Illinois Governor J.B. Pritzker, Attorney General Kwame Raoul, and five officials from the Illinois Gaming Board (IGB) as defendants. The whole squad is in the crosshairs.

The Preemption Argument

The crux of the issue? A big, bold federal preemption claim. The CFTC argues that the Commodity Exchange Act (CEA), 7 U.S.C. § 2(a)(1)(A), hands them exclusive jurisdiction over swaps and futures traded on federally regulated exchanges. So, in the eyes of the CFTC, Illinois can’t just swoop in like a kid in a candy store and start calling the shots. Nope, Illinois’s laws don’t apply here.

The CFTC is pulling a move straight out of Congress’s 1974 playbook, which aimed to replace a jumbled mess of state-by-state regulations with a streamlined federal system. The lawsuit warns that Illinois is doing its best to revive that fragmented past, forcing DCMs to seek approval in all 50 states. Spoiler alert: that would make it impossible for DCMs to carry out their federally-mandated task of keeping things neutral and accessible to everyone.

The lawsuit takes aim at three Illinois laws in particular: the Illinois Sports Wagering Act, the Illinois Criminal Code’s gambling provisions, and the Illinois Gambling Act. These are the ones the CFTC believes are trespassing on federal turf.

What Triggered the Lawsuit

Things got spicy when the Illinois Gaming Board (IGB) sent cease-and-desist letters to four CFTC-regulated firms, accusing them of offering illegal sports wagering under Illinois law. On April 1, 2025, the letters hit Kalshi, Crypto.com, and Robinhood, and Polymarket got its own on January 27, 2026. No one likes getting these letters, especially when they come with threats of civil and criminal penalties if the companies don’t stop offering their event contract products to Illinois residents without an IGB-issued license. Talk about being the fun police.

The CFTC, however, isn’t buying it. They argue that the event contracts in question are structured as swaps under the CEA, and therefore, they’re not governed by state gambling laws. Let’s just say the CFTC isn’t exactly impressed by Illinois’s legal approach.

As of the filing, at least eight CFTC-regulated DCMs had already self-certified more than 3,000 event contracts with the agency. For the record, there are currently 25 active DCM designations across the United States, including Kalshi, Polymarket, and Crypto.com. Yes, they’re all part of the rebel squad.

Relief Sought and Broader Context

The plaintiffs, aka the DOJ and the CFTC, are asking the court to declare the three Illinois laws unconstitutional as they apply to DCMs. They also want a permanent injunction that would prevent the state and its officials from enforcing these laws any further. And, of course, they’re hoping to score some attorneys’ fees and costs. Because, let’s be real, lawyers don’t come cheap.

This lawsuit shows up at a time when the CFTC is busy working on clarifying its rules for prediction markets. They dropped an advisory letter for DCMs on March 12, 2026, and followed up on March 16, 2026, with an advance notice of proposed rulemaking in the Federal Register. They’re fishing for public comments on event contracts-because, clearly, they have nothing better to do.

As of the filing date, none of the defendants had publicly responded to the lawsuit. So, it’s game on. This case will be a constitutional showdown on whether states even have the right to slap gambling laws on exchanges that are already operating under federal commodity law licenses. Stay tuned for the next episode of “Lawyers, Lawsuits, and More Lawsuits!”

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2026-04-02 18:48