Washington resident Scott Bright filed a lawsuit against Kalshi in King County on 24 September, seeking $580,544.98 over sports-linked contracts. Bright says he lost $308,781.62 between 17 June and 14 August 2026; Kalshi has asked the court to dismiss, arguing its event contracts fall under federal oversight.
The case tests whether Washington’s gambling-loss recovery law applies to Kalshi’s sports-linked contracts.
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WSGC announced tentative Class III compact amendments for the Spokane and Chehalis tribes on 17 September 2026. The proposals would allow wagers on in-state college sports but prohibit bets concerning individual performances, in-game decisions and officiating decisions. The commission said the amendments would also bar individuals convicted of threats against officials, coaches or participants.
Amendments to Class III gaming compacts for the Spokane Tribe of Indians and the Confederated Tribes of the Chehalis Reservation are the subject of tentative agreements announced by the Washington State Gambling Commission (WSGC) on September 17, 2026. Under the amendments, in-state collegiate wagers would be added as permissible wagers, and restrictions would apply to certain bets and to certain bettors.
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 has granted a preliminary injunction against Kalshi. The court found the state likely to succeed on claims that the operator's event contracts breach state gambling laws, and rejected Kalshi's argument that federal law pre-empts state enforcement.
Washington DC sports wagering fell 12% year on year to $75.5m in March, while operator revenue improved, according to the report.
Washington Governor Bob Ferguson signed SB 6137, allowing tribal casinos to take bets on collegiate events. The law continues to prohibit wagers on individual athletes and minor league sports, while protecting players, coaches and officials involved in athletic events.