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Kalshi sues Illinois over SB3019 as amicus brief backs federal oversight

Kalshi sues Illinois over SB3019 as amicus brief backs federal oversight

Kalshi seeks to block Illinois’ July 1 licensing regime and 0.2% digital asset transaction tax, while a Sixth Circuit amicus brief argues prediction markets belong under the CFTC’s federal derivatives framework, not state gambling rules.

Fact Check
Multiple independent outlets corroborate every core element of the claim. Yahoo Finance and Cryptopolitan confirm Kalshi filed a federal lawsuit against Illinois officials challenging SB 3019, seeking to block licensing requirements taking effect July 1, 2026, and argue the Commodity Exchange Act / CFTC exclusive jurisdiction preempts the state measure. Cryptopolitan specifically confirms the 0.2% tax on digital asset transactions. SBC Americas independently confirms the suit. The convergence of details across sources supports a high-confidence assessment.
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Summary

Kalshi filed suit in federal court in Illinois to stop enforcement of budget bill SB3019 before its intended July 1 effective date, arguing the law’s licensing requirement for prediction market platforms and 0.2% tax on digital asset transactions involving Illinois customers are preempted by the Commodity Exchange Act. The CFTC-registered platform says federal law gives the agency exclusive jurisdiction over exchange-traded derivatives and that complying with the Illinois measure would force it into an impossible choice between violating federal uniformity requirements or state law. Separately, former U.S. Solicitor General Elizabeth Prelogar, representing PredictAction, filed an amicus brief in the Sixth Circuit supporting Kalshi against state gambling-based restrictions, arguing prediction markets aggregate information through prices and differ from sports betting operators that profit by setting odds.

Terms & Concepts
  • Commodity Exchange Act: U.S. federal law governing derivatives markets that Kalshi argues preempts Illinois’ licensing and tax requirements.
  • amicus brief: A legal filing by a non-party offering arguments or expertise to assist a court.
  • CFTC: The U.S. derivatives regulator that Kalshi says has exclusive jurisdiction over its exchange-traded event contracts.