1. Crypto.com Missouri lawsuit: what was filed
Crypto.com and Novig each filed a federal lawsuit against the state of Missouri on October 16, 2026, asking courts to stop officials from treating their sports event contracts as unlicensed gambling. The suits answer cease-and-desist letters from Attorney General Catherine Hanaway's office, which gave the companies a choice between leaving the Missouri market and buying into the state's licensing system.
The two cases were filed separately and in different courts. Novig brought its complaint in the Eastern District of Missouri, while Crypto.com filed in the Western District. Neither company has yet received a ruling, and court records reviewed so far show no decision to pause the state's enforcement.
At the center of both complaints is a single classification question. Missouri regards the products as sports betting that falls under state law. The companies describe them as financial instruments that belong to a federal regulator. Which description prevails will determine who has authority over a product that sits between a wager and a trade.
For readers unfamiliar with the products, a sports event contract is a tradable instrument that settles at a fixed value if a named sporting outcome occurs and at zero if it does not. Prices move as traders revise their expectations before the event, which is why the platforms present them as markets and not as bets placed against a bookmaker. Missouri's letters take the opposite view, and the lawsuits ask federal judges to decide between the two descriptions.
2. How the dispute started
The letters reached the recipients on September 16 and 17. Each offered the same two options: stop serving Missouri residents entirely, or obtain the proper state licenses and pay the taxes and fees that come with them. The office framed the demand as a matter of compliance with existing sports wagering law rather than a new rule.
Crypto.com and Novig were not the only recipients. Four other companies, Kalshi, Polymarket, Robinhood and Underdog, were sent identical letters. According to court records, none of those four has filed a lawsuit, which leaves Crypto.com and Novig as the only companies currently litigating the matter.
That difference in approach is notable. Some of the recipients are among the best-known names in event-based trading, and their decision to hold off suggests they are weighing negotiation, compliance or a later challenge rather than an immediate court fight. The coming weeks should show whether the pair of lawsuits changes that calculation for the others.
3. What does Missouri want from the platforms?
Missouri wants the platforms to operate under the same rules as any other sportsbook serving the state. In practice that means either withdrawing from the market or applying for a license, a path that carries real expense and ongoing obligations.
The financial burden is concrete. Missouri levies a 10% tax on the adjusted gross revenue of licensed sports betting operators. Application fees can reach as much as $500,000. For a company whose business model rests on a different regulatory footing, accepting those terms would amount to conceding that its products are wagers.
The state's position is straightforward: a contract that pays out depending on the result of a sporting event is a bet on that result, whatever the platform calls it or however it is structured behind the scenes. By that reasoning, offering such contracts to Missouri residents without a license breaks state law.
4. Why the companies call their contracts swaps
The companies' legal argument rests on the Commodity Futures Trading Commission, the federal agency that supervises derivatives markets. Crypto.com and Novig contend that their sports event contracts are swaps, a category of derivative that the CFTC oversees, and not wagers governed by state gambling statutes.
From that premise follows the core claim of preemption. Under the companies' reading, federal law displaces state gambling rules when the product in question is a federally regulated derivative. If a court accepted that view, Missouri would lack the power to demand a state license or to collect its sports betting tax from the platforms.
A swap, in plain terms, is an agreement in which two parties exchange payments based on the outcome of some future event or the movement of some measure. The companies say a contract tied to a game result fits that description. Missouri says the label does not change what the product does for the person buying it.
5. Federal preemption, explained
Preemption is a principle of American constitutional law under which a valid federal statute can override conflicting state rules. When Congress gives a federal agency exclusive authority over a type of activity, states generally cannot regulate that activity in a way that contradicts the federal scheme.
The platforms invoke this principle on the strength of the Commodity Exchange Act, the law under which the CFTC supervises derivatives. If their sports event contracts are swaps, the companies argue, the agency's jurisdiction over them is exclusive, and state gambling law has no room to operate.
Missouri's answer is that the principle does not stretch that far. States have long regulated wagering within their borders, and the attorney general's office treats the contracts as bets that happen to be traded on a financial platform. The disagreement is therefore less about the facts of what the platforms sell than about which body of law governs it.
Courts deciding this kind of question tend to look closely at how a product works: what the buyer is exposed to, what triggers a payout, and whether the contract serves any purpose other than speculation on a game. Each side will likely stress different features of the same product.
6. Why the choice of courts matters
Filing in two different federal districts was a deliberate step. Novig went to the Eastern District of Missouri and Crypto.com went to the Western District, so the cases will proceed independently rather than in front of a single judge.
That structure carries both opportunity and risk. If one court grants relief and the other does not, the result would be a split that could draw attention from appellate judges. If both courts reach the same conclusion, the outcome will be stronger precedent for or against the federal-swap theory in the state.
For Kalshi, Polymarket, Robinhood and Underdog, the early signals from these cases may prove useful. A company that stays out of court can wait to see how the judges respond to the preemption argument before deciding whether to license, withdraw or sue. The risk of waiting is that the state could move to enforce against a recipient that has not sought protection from a court.
The coming rulings on any request to pause enforcement will be the first real test. A quick pause would indicate that a judge sees the platforms' argument as serious. A refusal would put pressure on the companies to decide how long they can keep serving Missouri residents without a license.
7. A young sports betting market in Missouri
The timing matters because Missouri's own regulated betting industry is still new. Voters approved Amendment 2 on November 5, 2024, which legalized sports wagering and placed oversight with the Missouri Gaming Commission. Licensed sportsbooks began taking bets when the regulated market launched on December 1, 2025.
Seen from that angle, the state has a clear interest in defending the framework it only recently built. Licensed operators pay the tax and the fees, and an unlicensed competitor offering similar contracts could undercut that arrangement if left alone.
Novig is a newer entrant. It is operated by Ludlow Exchange LLC and launched its sports-only prediction market platform on August 4, 2026, describing it as regulated by the CFTC. The platform had therefore been live for only a few weeks when the attorney general's letter arrived.
8. Age rules add a second concern
Licensing and taxation are not the only issues raised by the state. The attorney general's office also flagged concerns about age, tied to a participation age of 18 on the platforms. That figure matters because traditional sports betting rules in many jurisdictions set a higher threshold than a general financial account does.
The age concern applied to five of the six platforms. Novig was the only recipient not named in that complaint, which separates its situation from that of the others even though it received the same cease-and-desist letter on the core licensing question.
The age issue illustrates a wider tension. Consumer protections written for gambling, such as minimum ages and licensing duties, may not match the account requirements of a financial exchange. Whichever way the courts classify the products will decide which set of protections applies to the people using them.
9. What are the odds for the platforms?
The path ahead looks difficult. Federal courts have previously rejected similar federal preemption arguments in disputes over unlicensed sports betting, which means the companies cannot assume that a derivatives label will shield them from state enforcement.
Even so, the cases carry significance beyond Missouri. They highlight an unresolved gap: federal derivatives regulators and state gambling regulators look at the same product and reach different conclusions about what it is. Until a court or Congress settles the question, operators will keep facing conflicting demands from different levels of government.
Readers should watch for several developments. The first is early motions in the two federal cases. The second is whether any judge pauses Missouri's enforcement while the litigation proceeds. The third is whether any of the four remaining letter recipients, Kalshi, Polymarket, Robinhood or Underdog, decides to file its own suit.