The agency filed for declaratory and injunctive relief after Utah sued Kalshi in state court, calling the platform a public nuisance. By the commission's own count it has now begun proceedings against ten states and filed briefs in four federal courts of appeal and one state supreme court.
North American Derivatives Exchange and Novig both asked federal judges on October 16 to stop Missouri from enforcing its gambling laws against sports event contracts. Kalshi, Polymarket, Robinhood and Underdog received the same order and have not filed.
New Jersey's petition asking whether Dodd-Frank preempts state sports betting law reached the Supreme Court on September 2, and the first amicus brief was docketed three weeks later. The clerk has since pushed the deadline for a response to November 9, which keeps the petition off the justices' conference list until late November at the earliest.