Arkansas Sues Kalshi, Joining a Growing List of States Targeting Prediction Markets

The lawsuit, formally filed against both KalshiEX LLC and Kalshi Inc. in state court, details multiple alleged violations of the Arkansas Deceptive Trade Practices Act. Through the legal action, the state is seeking comprehensive financial remedies, including restitution for consumers, civil penalties, unpaid state taxes, and a permanent injunction to halt the platform’s operations within Arkansas borders.

In a public statement shared via social media and official press releases, Griffin underscored the straightforward nature of the state’s grievances. He argued that the fundamental substance of Kalshi’s offerings constitutes traditional betting, regardless of the financial terminology utilized by the company.

"Today I filed a lawsuit against Kalshi for violating the Arkansas Deceptive Trade Practices Act by operating an unregulated gambling platform," Griffin wrote. "Kalshi has built a global business that it calls a prediction market, allowing consumers to wager money on the outcome of just about…"

Expanding on his rationale during the official announcement, Griffin pointed to local sporting contexts to illustrate the state’s perspective. He noted that financial wagers on college sports teams are definitively categorized as gambling under local statutes.

"It doesn’t take a genius to understand that wagering money on whether the Razorbacks win or lose is gambling," Griffin said. "And gambling on an unregulated platform is squarely prohibited by Arkansas law."

According to the complaint, Kalshi bypassed the rigorous licensing requirements, consumer protection mandates, and taxation structures that are legally mandated for traditional gambling operators in Arkansas. Instead, the platform allegedly opened its digital doors to state residents as young as 18 years old, encouraging them to place financial wagers on a wide variety of sporting and entertainment events.

"Arkansas law is concerned with substance, not semantics," Griffin emphasized, pushing back against the company’s branding of its services as financial event contracts rather than wagers.

To further support the state’s legal argument, Griffin highlighted features integrated directly into Kalshi’s user interface. He pointed out that the platform incorporates standard responsible-gambling tools—such as self-exclusion options, customizable deposit limits, and mandatory trading breaks—alongside a formal partnership with the National Council on Problem Gambling. According to the attorney general, these elements demonstrate that the company is fully aware its platform carries the psychological and financial risks traditionally associated with gambling.

"Although Kalshi insists that its products are not gambling, its actions speak louder than its labels," Griffin stated.

The Federal Framework and Industry Defense

Kalshi operates under the regulatory oversight of the Commodity Futures Trading Commission (CFTC), a federal body tasked with supervising derivatives markets. In response to actions taken by various state attorneys general across the country, Kalshi has consistently maintained that its event contracts fall under exclusive federal jurisdiction. The company argues that because its products are regulated federally as financial derivatives, they preempt state-level gambling laws and cannot be restricted by individual states.

However, this preemption defense has met with varied success across different federal circuits, creating a deeply fractured legal landscape. The conflict has drawn high-profile intervention from federal authorities and political figures. The CFTC has actively intervened in legal actions, suing at least 10 states to defend its asserted exclusive authority over prediction markets. Furthermore, the federal pushback has received strong political backing; President Donald Trump has publicly supported the agency’s stance, using sharp rhetoric to criticize state officials who have chosen to challenge the legality of these platforms.

The disagreement among federal appeals courts has created widespread legal uncertainty for both prediction market operators and state regulators. A major win for the industry occurred in April when the Third Circuit Court of Appeals ruled that the state of New Jersey lacked the authority to regulate Kalshi’s sports-related contracts. Conversely, the Sixth and Ninth Circuits subsequently reached opposite conclusions, siding with states like Ohio, Tennessee, and Nevada in upholding local regulatory authority over sports betting laws.

Where the State Fights Stand

Arkansas is far from alone in its efforts to rein in prediction markets, joining more than a dozen states that have taken aggressive legal or regulatory action against Kalshi and similar platforms.

The nationwide enforcement landscape features several high-profile state confrontations. In Arizona, state authorities filed criminal charges against Kalshi in March. In Washington, a state court issued a temporary block against the platform’s sports-related contracts in July. Meanwhile, Massachusetts has pursued an aggressive legal strategy; after a lower court barred Kalshi’s sports contracts in January, the state’s high-profile legal battle advanced directly to the state’s highest court, where arguments have continued to unfold.

The escalating legal battles have culminated in a massive showdown heading toward the nation’s highest court. Following the conflicting rulings in the federal appeals circuits, New Jersey formally petitioned the Supreme Court to step in and definitively settle the jurisdictional question.

The state’s petition has drawn unprecedented support, backed by 39 other states, the District of Columbia, and the National Football League. Legal observers and industry analysts note that Kalshi’s official response to the Supreme Court petition is scheduled to be submitted by November 9, with the nation’s highest judicial body expected to decide whether to take up the landmark case by December at the earliest. As the Arkansas lawsuit proceeds through the state court system, the eventual outcome of the Supreme Court battle stands to reshape the legal boundaries of digital prediction markets nationwide.