In Massachusetts, a court ruling this week has upheld the state’s prohibition on sports contracts offered by the prediction market platform Kalshi. Suffolk County Superior Court Judge Christopher Barry-Smith has granted a preliminary injunction requested by Massachusetts Attorney General Andrea Campbell. This decision, made public on Friday, permits the state to enforce its sports betting regulations against Kalshi, which has been operating without the necessary sports betting license. This legal action underscores the state’s commitment to regulating sports wagering, which has significant implications for consumer protection and market compliance.
Kalshi, known for offering prediction markets, has been challenged due to its sports-related offerings, which Massachusetts authorities argue require a formal sports betting license. Judge Barry-Smith, in his ruling, noted that Kalshi’s operations resemble other forms of digital gambling and utilize gambling-specific terminology, offering features such as proposition bets and parlay contracts. The Attorney General’s lawsuit emphasizes that Kalshi’s revenue from sports betting exceeds that of established operators like DraftKings and FanDuel, highlighting the financial and regulatory stakes involved. Campbell has argued that unregulated sports wagering poses risks of addiction and financial loss, necessitating strict oversight.
This injunction is part of a broader legal landscape where Kalshi has faced litigation in multiple states for unlicensed wagering. The platform is involved in ongoing cases in Nevada, New Jersey, and Maryland. In Nevada, Kalshi initially secured an injunction but faced a reversal in November when state regulators were allowed to classify sports event contracts as illegal gambling. This shift in the legal context reflects ongoing tensions between state and federal regulation, as exemplified by US District Judge Andrew Gordon’s remarks against Kalshi’s interpretation of the Commodities Exchange Act, which he argued misaligns with congressional intent and longstanding federalism principles in gaming regulation.
Conversely, in New Jersey, Kalshi has obtained a preliminary injunction against state regulators, a decision currently under review by the US Court of Appeals for the Third Circuit. Massachusetts’s Attorney General Campbell, alongside 33 other attorneys general, has expressed support for New Jersey’s stance, indicating widespread concern among state officials regarding Kalshi’s operations.
In other states, including New York and Ohio, Kalshi has been subject to lawsuits and cease-and-desist orders, reflecting a nationwide scrutiny of prediction markets. While Kalshi recently achieved a legal victory in California, where a judge ruled that CFTC regulation exempts them from certain gaming laws on tribal lands, the broader regulatory environment remains contentious. Competing platforms such as Crypto.com and Robinhood are similarly entangled in legal challenges, highlighting the complex and rapidly evolving landscape of online gambling regulation in the United States.
As major industry players like DraftKings and FanDuel expand their prediction market offerings, they do so amid warnings from regulators that such moves might jeopardize their sports betting licenses. These developments underscore the delicate balance operators must maintain between innovation and compliance within the heavily regulated gambling sector.
Looking ahead, the next steps in Massachusetts include the potential for appeals by Kalshi and further judicial proceedings if requested by the parties involved. The outcome of these legal battles will have significant implications for the regulation of prediction markets and the broader sports betting industry, potentially influencing how operators approach compliance and market entry strategies across different jurisdictions.

