The US Supreme Court declined to hear Maverick Gaming v. United States and State of Washington, leaving the Ninth Circuit ruling in place. The decision preserves Washington’s state–tribal gaming framework under the Indian Gaming Regulatory Act; the Washington Indian Gaming Association said the outcome reaffirmed tribal sovereignty.
The ruling leaves Washington’s existing framework for tribal gaming unchanged.
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Washington lawmakers discussed a bill to let tribes accept online sports bets from any sportsbook licensed in the state and allow betting on in-state college teams. The proposal would bar individual player props on college athletes from Washington-based teams; legislators took no vote at the committee hearing.
Wisconsin lawmakers proposed a bill to allow mobile sports wagering statewide through tribal gaming operators. The sponsors said the measure would change the state’s definition of a bet but would not itself authorise gambling; any new tribal compacts would still require federal approval. The bill was being circulated for co-sponsors ahead of 22 October.
Kalshi has asked a Washington State Superior Court to reconsider a preliminary injunction covering its sports event contracts. The request cites new legal developments, but the available report gives no further details.
Kalshi began taking sports and political markets offline in Washington State. The outlet linked the sports shutdown to a court order.
A Washington state judge granted the state a preliminary injunction against Kalshi, ruling officials were likely to succeed on claims its event contracts breach state gambling law. Crypto.com's OG platform then filed a preemptive federal lawsuit against Washington officials. Lawmakers also held a House hearing and introduced federal and Pennsylvania bills on prediction markets.