North American Derivatives Exchange Inc v. Brown et al

  1. August 21, 2026

    Wash. AG Pauses OG Case As 9th Circ. Weighs Preemption

    Washington's attorney general and its gambling commissioners have agreed to hold off on enforcing the state's gambling laws against prediction market platform OG, run by the North American Derivatives Exchange, while the Ninth Circuit decides related appeals that could resolve the underlying legal dispute.

  2. July 22, 2026

    Nadex Seeks To Shield OG Prediction Market Biz In Wash.

    North American Derivatives Exchange asked a Washington federal court Wednesday to protect its prediction market platform OG from potential enforcement action by the state, pointing to the state attorney general's lawsuit going after Kalshi for alleged violations of state gambling law.