New Mexico attorney general files Kalshi lawsuit

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New Mexico becomes a new front in a national fight

New Mexico’s lawsuit against Kalshi adds a state enforcement action to a dispute that had already drawn in tribal governments, gaming regulators and attorneys general across the country. The central question is whether sports event contracts offered by prediction markets are federally regulated financial instruments or unlicensed sports wagers subject to state and tribal gaming laws.

Attorney General Raul Torrez’s case targets the same fault line that has defined the broader litigation. Kalshi says its contracts are peer-to-peer swaps overseen by the Commodity Futures Trading Commission under federal commodities law. State officials and tribal governments say the practical effect is sports betting: users stake money on sports outcomes, while operators avoid licensing, taxes, age limits and responsible-gaming rules that apply to sportsbooks.

The New Mexico complaint is especially significant because of the state’s gaming structure. Lawful gambling is closely tied to tribal-state compacts and licensed operations. By alleging that Kalshi offered sports contracts without approval from the New Mexico Gaming Control Board and allowed users 18 and older onto the platform, the state is connecting the prediction-market debate to tribal exclusivity, consumer protection and underage gambling concerns.

Tribal challenges set the stage in New Mexico

The attorney general’s lawsuit follows a separate challenge from the Mescalero Apache Tribe and the Pueblos of Isleta, Pojoaque and Sandia, which accused Kalshi of illegally offering sports betting on tribal lands. In that case, the tribes argued that Kalshi’s contracts violated the Indian Gaming Regulatory Act and tribal-state compacts that govern casino gaming in New Mexico.

The tribal complaint described the platform’s sports event contracts as wagers that should not be available on tribal lands without authorization. The tribes also raised age-limit concerns, saying New Mexico compact rules restrict casino gambling to customers 21 and older, while Kalshi permitted participation by users at least 18. They further alleged that Kalshi failed to use geofencing to block access on tribal lands.

That dispute gave New Mexico’s attorney general a ready-made enforcement frame: prediction markets are not merely a novel financial product but a direct competitor to compacted gaming operations. The tribes said the contracts could divert revenue from tribal governments and weaken the regulatory bargain that has shaped gambling in the state. Torrez’s lawsuit now puts state authority behind similar claims, increasing pressure on Kalshi in a jurisdiction where tribal gaming is central to the market.

The sequence matters. Tribal governments first framed the issue as an infringement on sovereignty and compact rights. The state’s case broadens that argument into a public enforcement action focused on illegal gambling, age restrictions and state oversight. Together, the lawsuits make New Mexico one of the most consequential venues in the prediction-market fight.

States argue Kalshi is operating like a sportsbook

New Mexico is not acting in isolation. Other attorneys general have taken similar positions, arguing that Kalshi’s sports contracts function like online sports betting while bypassing the regulatory systems built around that industry.

In Massachusetts, Attorney General Andrea Joy Campbell sued Kalshi in Suffolk Superior Court, alleging the company unlawfully promoted and accepted online sports wagers. The complaint cited moneyline, point spread and over-under-style contracts as products that closely resemble sportsbook markets. It also alleged Kalshi had not applied for a sports wagering license from the Massachusetts Gaming Commission and did not provide the same safeguards required of licensed operators. The case, detailed in Massachusetts’ illegal sports wagering lawsuit against Kalshi, emphasized age limits, deposit controls and responsible-gaming protections.

Michigan Attorney General Dana Nessel later brought a case in Ingham County Circuit Court seeking to stop Kalshi from operating in the state. Her office argued that the event-based trading platform was effectively an online sportsbook without approval under Michigan’s Lawful Sports Betting Act. The lawsuit asked the court to declare Kalshi a sports betting operator and issue a permanent injunction. As described in Michigan’s challenge to the legality of prediction markets, state officials said only licensed commercial casinos and federally recognized tribal casinos may apply for sports betting licenses through the Michigan Gaming Control Board.

Those cases show a common enforcement theory. States are not focused solely on terminology or product design. They are arguing that a yes-or-no contract tied to a sports outcome creates the same consumer risks and market effects as a traditional wager. If courts accept that view, prediction-market operators could face a state-by-state licensing burden similar to sportsbooks.

Kalshi counters with federal preemption claims

Kalshi has responded by going on offense in several jurisdictions, asking federal courts to block state regulators from enforcing gambling laws against its contracts. The company’s core argument is preemption: because it is registered as a designated contract market and regulated by the CFTC, states cannot impose gambling-law restrictions on products it says fall within the federal derivatives framework.

That strategy was evident in Maryland, where Kalshi sued the Maryland Lottery and Gaming Control Commission after receiving a cease-and-desist letter. The company argued that Maryland’s attempt to regulate its sports event contracts intruded on the federal system Congress created for futures derivatives. It sought preliminary and permanent injunctive relief, as well as a declaration that Maryland’s enforcement effort was preempted. The dispute is outlined in Kalshi’s lawsuit against Maryland gambling regulators.

Kalshi has made a similar move in Utah, a state without legal sports gambling. Its federal complaint sought to block what it described as imminent enforcement of anti-gambling laws after state officials criticized prediction markets. The lawsuit named Gov. Spencer Cox, Attorney General Derek Brown and other officials, arguing that public statements showed a likely crackdown. The company’s preemptive lawsuit against Utah officials marked an escalation because it targeted a state where sports betting is prohibited outright, not merely regulated through licensed operators.

Kalshi’s litigation posture reflects the stakes. A favorable federal ruling could limit states’ ability to police event contracts as gambling. A series of adverse rulings could force the company to withdraw products, pursue gaming licenses where available or redesign contracts to avoid sports outcomes.

Age limits, taxes and consumer safeguards drive the conflict

Although the legal debate centers on federal commodities law and state gambling authority, the political force behind the enforcement campaign comes from practical differences between prediction markets and licensed sportsbooks. Sports betting operators must comply with age minimums, geolocation rules, responsible-gaming programs, advertising restrictions, tax obligations and licensing reviews. State and tribal officials say prediction markets are competing for the same customers without carrying those costs.

Age limits have become a recurring allegation. Massachusetts, Michigan, New Mexico and the New Mexico tribes all raised concerns that Kalshi’s platform allowed users younger than the 21-year-old threshold used in many regulated sports betting markets. For regulators, that undercuts one of the most visible public protections in legal betting regimes. For tribal governments, it can also conflict with compact terms that define how gaming may operate on tribal lands.

Taxes are another pressure point. Licensed sportsbooks pay state taxes and fees that support public programs and regulatory oversight. Prediction markets, by contrast, operate under a financial-market model and are not taxed as sportsbooks. That distinction has sharpened resistance from states that legalized sports betting through detailed statutory frameworks and from tribes that negotiated exclusivity or market access through compacts.

The consumer-protection debate is also widening. Massachusetts officials pointed to deposit limits, wager caps and gambling-risk education as safeguards they say are missing or insufficient in the prediction-market model. Those arguments allow states to present the lawsuits not only as turf battles over licensing but as efforts to prevent addiction, financial loss and youth exposure.

Court rulings could redraw the boundary around sports betting

The cases now unfolding will help determine whether sports event contracts remain a CFTC-regulated niche or become subject to the same state and tribal rules as sportsbooks. The outcome could reshape how companies structure event-based trading products, how states defend gambling statutes and how tribal nations protect compact rights.

New Mexico’s lawsuit raises those stakes because it combines the themes seen elsewhere: state licensing authority, tribal gaming interests, age restrictions and the claim that sports contracts are functionally wagers. It also lands after tribal governments in the state already challenged Kalshi, giving courts overlapping disputes that could test both state gambling laws and federal Indian gaming protections.

For Kalshi, the risk is that courts treat sports event contracts differently from other prediction markets, such as contracts tied to politics, weather or economic data. For regulators, the risk is that federal preemption arguments could weaken their ability to control sports wagering within their borders. The answer will determine whether prediction markets can scale nationally under one federal regime or whether they must navigate the fragmented, costly and politically sensitive world of state-by-state gambling regulation.