US lawmakers from gaming states urge SCOTUS to take up Kalshi case

Latest NewsPublishedSep 23, 2026The case between New Jersey authorities and a prediction market company, if accepted by the Supreme Court, could result in clarity for state and federal officials over sports bets.A group of US state lawmakers has filed an amicus brief with the US Supreme Court, urging justices to weigh in on a case between prediction markets platform Kalshi and gaming authorities. On Tuesday, the National Council of Legislators from Gaming States (NCLGS) filed in the US Supreme Court, supporting New Jersey’s Attorney General and gaming authorities’ petition for a writ of certiorari. The petition, filed on Sept. 2, asked the nation’s highest court to consider New Jersey’s case against Kalshi, potentially resolving whether state authorities or federal agencies have jurisdiction over prediction market companies.In its amicus curiae filing supporting New Jersey’s position, the NCLGS argued that a ruling favoring Kalshi would “[render] states powerless” to regulate sports betting on prediction markets, causing “substantial harm and confusion.” According to the group, “gaming-related matters” should be left to individual US state authorities, though the filing did not add...