US Federal Court Temporarily Blocks Illinois from Applying Betting Laws to Kalshi Sports Contracts

A US federal judge has issued a temporary restraining order preventing the state of Illinois from enforcing gambling license requirements and criminal penalties against Kalshi's sports prediction contracts. This ruling, reported on October 3, 2026, marks a significant regulatory development for prediction markets, though it does not provide a final legal determination on the status of these contracts. The dispute highlights the ongoing tension between federal oversight of derivatives and state-level authority over gambling regulations.