April 10, 2026
A Phoenix federal judge on Friday temporarily blocked Arizona from enforcing its gambling laws against federally regulated prediction markets, saying the U.S. Department of Justice and the U.S. Commodity Futures Trading Commission are likely to succeed on their claims that Arizona's laws are preempted by federal law.
April 08, 2026
The U.S. Department of Justice and the U.S. Commodity Futures Trading Commission on Wednesday backed Kalshi's assertion that Arizona's gambling laws cannot be applied to federally regulated prediction market platforms, the same day the Phoenix federal court rejected Kalshi's bid to halt enforcement of those state laws.