Arkansas Sues Kalshi to Stop Alleged Illegal Gambling

Arkansas sued Kalshi, alleging the prediction-market platform operates illegal gambling in the state and seeking restitution, unpaid taxes and civil penalties. The action escalates Kalshi’s broader fight with state gambling regulators, which is already playing out in federal appeals over whether states can enforce their gambling laws against the federally regulated exchange. The case matters because a state win could narrow Kalshi’s U.S. customer base and set a precedent for how event contracts are treated nationwide. Kalshi has argued its markets are federally overseen financial products rather than wagers, and the outcome could shape how rival prediction markets are regulated. Watch the federal appeals rulings and whether other states follow Arkansas with similar suits.