Kalshi sued Louisiana officials in the US District Court for the Western District of Louisiana on Friday, according to a Yogonet report dated 27 October 2026. The report does not give the filing date, but the most recent Friday before publication was 23 October.
Every detail below comes from that single report and has not been confirmed by a second, independent source.
Per Yogonet, the complaint names five defendants: Attorney General Liz Murrill, Governor Jeff Landry, Louisiana Gaming Control Board chair Christopher Hebert, LGCB Gaming Division director Dawn Himel, and the Louisiana State Police Gaming Enforcement Division. Kalshi argues that these officials showed a "clear intention to violate the Supremacy Clause" and asks the court for a temporary restraining order, along with preliminary and permanent injunctions, against enforcement action on its sports event contracts.
Yogonet reports that the complaint cites a December 2025 letter from Hebert to LGCB-licensed sportsbooks, which said that offering sports prediction markets breaks state law and may affect their gaming licences.
According to the same report, two state laws took effect in Louisiana on 1 August 2026. Governor Landry signed House Bills 53 (Act 48) and 883 in May. HB 883 expanded the statutory definition of "gambling by computer" and criminalised dual-currency sweepstakes and social gaming platforms. HB 53 upgraded several gambling crimes to racketeering offences punishable by up to 50 years in prison.
Kalshi alleges that Louisiana treats its federally regulated event contracts as unlicensed gambling by computer, and points to the statute's exemption for futures, commodities and similar instruments traded on an exchange. The company also says a state licence would not resolve the conflict. In its words, Louisiana's requirements would be "impossible to reconcile with the [Commodity Exchange Act]".
Yogonet states that the case brings prediction-market litigation into the Fifth Circuit's jurisdiction for the first time.
In Louisiana, Kalshi relies on field preemption. According to Yogonet, the Ninth Circuit rejected the company's "Congress preemption" position in September. The same report says that earlier in October, Judge Martha Pacold ruled in Illinois that Kalshi and Coinbase answer to the CFTC, not to the state gaming commission.
Yogonet also reports that Utah sued Kalshi in October to ban its sports, politics and mention markets.
It is not known whether the court has scheduled a hearing on the restraining order or whether the Louisiana defendants have responded. The Western District of Louisiana docket would answer both questions.
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