Kalshi challenges Illinois sports event contract restrictions in federal court

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Kalshi challenges Illinois law

Highlights

Kalshi filed suit in U.S. District Court for Northern District of Illinois challenging Senate Bill 3019, arguing Illinois cannot require federal CFTC-regulated platforms to obtain a state license for sports event contracts.
The law, signed last week as part of Illinois' FY27 budget, bans or heavily restricts sports event contracts on unlicensed platforms and would force Kalshi to halt or block Illinois users, posing unrecoverable harm if reversed.
The dispute underscores intensifying jurisdictional clashes between CFTC and state regulators, as similar legal battles emerge in Kentucky and other states, possibly heading to the U.S. Supreme Court.

Federal challenge over July 1 law

As reported by PACER, Kalshi has filed suit in the U.S. District Court for the Northern District of Illinois against Governor JB Pritzker, Attorney General Kwame Raoul and officials on the state gaming board over Senate Bill 3019. The company argues the state has intruded on the authority of the U.S. Commodity Futures Trading Commission, saying Illinois cannot require prediction market platforms to obtain a state license to offer sports event contracts.

Kalshi says the law, signed last week as part of Illinois' fiscal year 2027 budget package, expressly bans or restricts sports event contracts on its platform unless the company complies with the state's licensing regime. In the complaint, Kalshi says compliance would force it to stop offering those contracts in Illinois or build costly technological controls to block access in the state, creating harm that would not be recoverable if it ultimately wins the case.

The legislation also amends the state's definition of an "exchange wager" to include agreements, contracts, transactions or swaps offered, traded or executed on a prediction market tied to a sporting contest or sporting event. That change places prediction market operators under rules similar to those applied to sports betting businesses, while the broader budget package also includes a 0.2% tax on crypto transactions.

Broader clash over prediction market oversight

The lawsuit adds to a widening jurisdictional dispute between federal regulators and state gaming authorities over whether sports-related prediction contracts fall under commodities law or gambling regulation. Kalshi maintains that its event contracts are subject to a uniform federal framework, and says Illinois' requirements conflict with that structure.

The CFTC, led by Commissioner Michael Selig, has asserted exclusive authority over such products under the Commodity Exchange Act, arguing the contracts are swaps within its jurisdiction. The agency has also taken legal action in disputes involving state restrictions, including a recent fight tied to Kentucky's stance on prediction markets.

Legal specialists expect the conflict between state enforcement powers and federal market oversight to keep escalating. With opposing interpretations now surfacing across multiple states, the issue could ultimately be resolved by the U.S. Supreme Court.

In our earlier article on Kalshi’s U.S. GDP growth prediction contract for 2026, we highlighted how traders were pricing in lower odds of a 2.6%–3.0% outcome despite optimistic official projections. We also outlined how recent inflation and GDP data were shaping those expectations, underscoring how event contracts on prediction markets are increasingly used to gauge sentiment on major macroeconomic indicators.

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