4 New Mexico tribes are taking prediction market firm Kalshi to federal court docket, arguing that its sports activities contracts quantity to unlawful on-line sports activities betting carried out on tribal lands with out approval from tribal regulators.
The Mescalero Apache Tribe, Pueblo of Isleta, Pueblo of Pojoaque, and Pueblo of Sandia filed the lawsuit Tuesday (Could 12) in federal court docket in New Mexico. The 33-page grievance, reviewed by ReadWrite, seeks court docket orders blocking Kalshi from providing sports activities occasion contracts on tribal lands, whereas three of the tribes are additionally pursuing civil penalties.
Tribal regulators say Kalshi’s cellular app lets customers place wagers on sporting occasions via yes-or-no contracts that function like customary sportsbook bets. The tribes argue the merchandise qualify as Class III gaming underneath the Indian Gaming Regulatory Act, often called IGRA, and due to this fact require tribal authorization and compliance with current tribal-state gaming compacts.
The doc cites a 2016 Inside Division letter stating that “non-tribal Web gaming” would battle with the exclusivity promised to tribes underneath these compacts.
The grievance says Kalshi by no means obtained tribal licenses and permits wagering by customers as younger as 18, regardless that tribal gaming agreements in New Mexico prohibit Class III gaming for anybody underneath 21.
New Mexico tribes be part of rising authorized battle towards Kalshi
The submitting describes Kalshi’s choices as almost indistinguishable from conventional sportsbooks, pointing to bets involving sport winners, level spreads, totals, parlays, and proposition wagers. One instance cited within the grievance concerned contracts tied to a College of New Mexico Lobos versus New Mexico State Aggies sport.
“Bookmakers have been offering the identical service as Kalshi since at the very least the late 1700s,” the grievance states.
The tribes additionally pointed to Kalshi’s earlier court docket arguments towards the Commodity Futures Buying and selling Fee, when the corporate reportedly argued that sports-related contracts resembled prohibited gaming exercise. In response to the submitting, Kalshi shifted course after the 2024 election and commenced together with sports activities contracts tied to the NFL, NBA, NHL, and NCAA starting in January 2025.
The lawsuit references current court docket rulings in Nevada and elsewhere that handled Kalshi’s merchandise as sports activities playing. The grievance quotes a federal choose who wrote, “As Justice Potter Stewart famously mentioned about pornography in his concurrence in Jacobellis v. State of Ohio, ‘I do know it after I see it.’ These are sports activities wagers and everybody who sees them is aware of it,” the Nevada court docket wrote, in response to the submitting.
The New Mexico case arrives as tribal governments proceed difficult prediction market platforms. The Ho-Chunk Nation previously sued Kalshi in Wisconsin, and California tribes recently lost an appeals court effort searching for intervention in associated litigation. Tribal leaders have more and more argued that prediction markets threaten tribal gaming exclusivity agreements and undermine sovereignty protections negotiated with states.
The grievance additionally says Kalshi promoted itself via promoting and trademark filings describing its providers as “bookmaking providers” and “sports activities betting and playing tournaments.” In response to the tribes, geofencing know-how already used all through the gaming business might simply block wagering exercise on tribal lands.
The tribes declare Kalshi’s each day transaction quantity rose from simply over $4 million in December 2024 to roughly $800 million each day after sports activities betting contracts had been launched. It additionally cites stories valuing the corporate at about $22 billion following a current funding spherical.
The tribes argue Kalshi’s continued operations bypass tribal safeguards involving fraud prevention, integrity monitoring, cash laundering controls, and downside playing protections.
Featured picture: Kalshi / Canva

