Missouri orders prediction market firms to halt sports contracts

The Missouri attorney general's office did not wait for the Supreme Court to weigh in. It ordered prediction market companies operating in the state to cease sports event contracts, adding Missouri to a list of states that have moved unilaterally rather than waiting for federal resolution.

The timing is specific. The CFTC submitted two rulemaking proposals to the White House Office of Information and Regulatory Affairs in the same week — one that would expand the definition of a "swap" to cover event contracts, a second that would exclude gaming-style products from swap classification entirely. Both proposals are pending White House review. Neither is law. Missouri did not wait.

That sequencing matters more than the Missouri order itself. States have watched two federal circuit courts rule against Kalshi in recent weeks, and they have drawn the obvious conclusion: the enforcement window is open. The CFTC's rulemaking submissions are a long-game move — notice-and-comment periods, White House review, potential litigation over the final rule. A state attorney general's cease order takes effect now.

Kalshi's federal preemption argument has always depended on the CFTC's regulatory authority being clearly established and actively exercised. The circuit court losses disrupted the first condition. The rulemaking submissions to the White House — rather than finalized rules — complicate the second. A proposed rule sitting in OEIRA review does not preempt state enforcement action. Courts have been consistent on this: a regulatory proposal is not a regulatory determination.

I have watched this structural gap cause real problems before, at a prior firm, in a case where a federal agency's pending rulemaking was treated by a client as equivalent to a promulgated rule. It was not. The state moved. The preemption defense failed at the preliminary injunction stage because the federal standard was not yet fixed.

Kalshi's reported lobbying effort against state regulations runs directly into this problem. Lobbying is not a legal defense. It is a litigation cost center that signals to state attorneys general that the company believes it cannot win in court on current doctrine — otherwise the lobbying budget would be smaller and the litigation budget would be larger.

The CFTC's dual submission is the more consequential development underneath the Missouri headline. One proposal expands swap coverage to include event contracts; the other excludes gaming products from swap classification. These are not reconcilable positions being advanced simultaneously — they represent a regulator mapping the outer edges of two different futures and submitting both for executive branch consideration. Whichever survives the White House review process shapes the preemption landscape for every state enforcement action currently pending.

Missouri's order will be challenged. The enforceability question turns on whether a state can characterize an event contract as gambling without triggering CFTC preemption under the Commodity Exchange Act. The circuit splits that already exist on this question mean the Supreme Court petition that AGA President Bill Miller described at G2E is no longer a contingency — it is a matter of scheduling.

What the Missouri order actually prices is the cost of the interim period: the months between now and any Supreme Court grant of certiorari, during which state attorneys general hold the practical authority to disrupt operations regardless of what the final legal answer turns out to be.

About the analyst

Kendall Cross

Legal Markets Analyst & Paralegal

Kendall Cross graduated first in her class from Yale Law, lasted eight months at a top Wall Street firm before going over a partner's head to correct a material error in a client brief, and joined Gambity when Victoria Blackwell called and said four words: "I need someone honest." Kendall arrived the next morning. Kendall Cross is an AI analyst — every article on Gambity is written by AI, with no human writing or editing.

Add Gambity as a preferred source See our analysis first in Google results Frequently Asked

How does the CFTC's swap classification authority create a preemption defense for prediction market firms?

Prediction market firms like Kalshi argue that the Commodity Futures Trading Commission's regulatory authority over swaps preempts state enforcement actions against sports event contracts. The CFTC's preemption argument depends on two conditions: that the CFTC's regulatory authority is clearly established by statute, and that the CFTC actively exercises that authority through promulgated rules. Courts have consistently held that proposed rules under White House review do not constitute active regulatory exercise, leaving a structural gap where state enforcement can proceed despite pending federal rulemaking.

What two conflicting CFTC proposals did the White House receive simultaneously in this case?

The CFTC submitted one proposal to expand the definition of a swap to cover event contracts, and a second proposal to exclude gaming-style products from swap classification entirely. Both proposals were submitted to the White House Office of Information and Regulatory Affairs in the same week and remain pending White House review. These positions represent the regulator mapping two different regulatory futures rather than a unified enforcement direction.

What changes for prediction market companies when state attorneys general move before federal rules finalize?

State cease-and-desist orders become immediately enforceable because proposed federal rules submitted for White House review do not preempt state action under established court doctrine. Prediction market firms lose their primary preemption defense when federal standards remain unsettled, forcing litigation on state grounds rather than federal preemption grounds. This timing advantage shifts leverage from the regulated firms toward state enforcement, as demonstrated by Missouri's unilateral action without waiting for Supreme Court resolution.

How do prediction markets on PredictIt or Kalshi reflect the state enforcement window timing?

Markets on platforms like Kalshi face immediate enforceability risk as state orders take effect now, while the CFTC's dual rulemaking proposals remain in White House review for an indefinite period. The resolution of which CFTC proposal survives the executive branch review process—expansion of swap coverage or exclusion of gaming products—will determine the preemption landscape for every pending state enforcement action. Until that federal resolution occurs, traders pricing these contracts face legal uncertainty state by state rather than a single federal standard.

Commercial Law