Kalshi Geofences Three California Tribal Reservations After Court Loss
Prediction market platform Kalshi has begun blocking its sports-event contracts on three California tribal reservations, confirming the move during a September 25 status hearing tied to an ongoing federal court fight over whether its markets count as unlicensed gambling on tribal land. The geofenced reservations are Blue Lake Rancheria, Chicken Ranch Rancheria of Me-Wuk Indians, and Picayune Rancheria of the Chukchansi Indians.
The Ninth Circuit ruling behind the move
The restriction follows a September 16 ruling from the Ninth Circuit Court of Appeals, which found that California tribes are likely to succeed on claims that Kalshi's sports contracts qualify as Class III gaming under the federal Indian Gaming Regulatory Act (IGRA) when accessed from tribal land. Writing for the panel, Judge M. Margaret McKeown rejected Kalshi's argument that the federal Commodity Exchange Act overrides tribal gaming protections, stating that "the CEA and IGRA address two different questions." The case now returns to a federal district court to determine whether the tribes have shown the irreparable harm needed to justify a preliminary injunction.
Part of a wider legal pattern
The ruling adds California tribal land to a growing list of jurisdictions where courts or regulators have restricted Kalshi's sports contracts, alongside separate disputes in Nevada, Michigan, Massachusetts, Connecticut, and elsewhere. It also creates a notable split with an April Third Circuit ruling that favored Kalshi in a similar dispute with New Jersey — a conflict New Jersey has since asked the U.S. Supreme Court to resolve. That split means the core legal question — whether federally registered prediction market contracts on sports outcomes are commodities regulated solely by the CFTC, or gambling subject to state and tribal authority — remains unsettled at the national level even as individual rulings pile up on both sides.
Why it matters to bettors
For users physically on the three affected reservations, Kalshi's sports-event contracts are no longer accessible regardless of what state law otherwise allows nearby. The broader significance is structural: it's another data point showing that prediction markets' "federally regulated, nationwide by default" model keeps running into carve-outs — state by state, and now tribe by tribe — as courts weigh in on a patchwork basis rather than a single national resolution. Bettors and casual users of these platforms should expect access to keep shifting locally as more rulings work through the courts, rather than assume a platform's national availability is fixed.