Prediction markets have spent the last few years in a regulatory gray zone, and the CFTC is now trying to draw the lines in ink. On June 12, 2026, the Commission published a notice of proposed rulemaking aimed at its rules governing event contract derivatives — the financial instruments that underlie the markets commonly called prediction markets, where contracts pay out based on the outcome of a future event. The proposal's core purpose is to specify, more clearly than current rules do, when such a contract crosses the line into being "contrary to the public interest," which is the statutory standard that can keep a contract off CFTC-registered venues entirely.

This matters because the public-interest determination is the single most consequential lever the CFTC holds over the prediction-market category. Under the Commodity Exchange Act, a contract found contrary to the public interest cannot be offered. The current framework leaves significant discretion in how that finding is reached, and the proposed rule is an attempt to convert that discretion into a more structured test.

"In particular, the Commission is proposing amendments to further specify the types of event contracts that may be subject to a determination that they are contrary to the public interest, such that they may not be listed for trading or accepted for clearing on or through a CFTC-registered entity, as provided in the Commodity Exchange Act (CEA)."— CFTC, "Prediction Markets; Public Interest Determinations," Federal Register (June 12, 2026), source

The phrasing "listed for trading or accepted for clearing" defines the two chokepoints the rule operates on. A derivative reaches the public through a designated contract market that lists it and a clearinghouse that clears it; if the CFTC determines a contract is contrary to the public interest, both doors close on any CFTC-registered entity. For prediction-market operators that have sought to bring election, sports, or other event contracts onto regulated U.S. venues, this is the rule that decides which contracts are eligible and which are not. It is, in effect, the gatekeeping standard for the entire regulated prediction-market business.

Defining 'gaming' is the live wire

The proposal does not stop at clarifying the public-interest test. Per the Federal Register abstract, the Commission is also proposing "a definition of the term 'gaming' and a rule regarding when event contracts 'involve' an underlying activity." Those two additions are where the real fight will be. The distinction between a legitimate event-based derivative and "gaming" — that is, gambling dressed up as a financial contract — has been the central legal question hanging over prediction markets. A contract on the outcome of a sporting event looks a great deal like a sports bet; a contract on an economic data release looks like a hedge. Where exactly the boundary sits, and what test determines whether a contract "involves" gaming or another disfavored underlying activity, is precisely what operators and their lawyers have been litigating and lobbying over.

By proposing an explicit definition of gaming, the CFTC is trying to replace case-by-case ambiguity with a written rule. That cuts both ways for the industry. A clear definition reduces regulatory uncertainty, which markets generally prefer — operators would know in advance which contracts are off-limits rather than launching and risking a later challenge. But a clear definition could also draw the line in a place that excludes products operators want to offer, particularly anything that resembles event wagering. The shape of that definition, once finalized, will do more to determine the size of the regulated prediction-market opportunity than almost any other factor.

What a proposed rule is, and isn't

It is worth being precise about the document's status. This is a notice of proposed rulemaking, not a final rule. It opens a public comment period during which exchanges, prediction-market operators, advocacy groups, and the public can submit views, after which the Commission may adopt, modify, or abandon the proposal. Nothing in it is yet binding. The verifiable facts are that the CFTC is proposing to specify the public-interest factors, conform the determination process to the statute, define gaming, and address when a contract involves an underlying activity. How those provisions land in a final rule — and whether they survive the comment process and any subsequent legal challenge — is unknowable from the proposal alone.

The proposal also has to be read against the broader jurisdictional backdrop that has defined prediction markets in the United States. These contracts have repeatedly drawn objections from state gaming regulators, who view event wagering as gambling subject to state law, and from members of Congress and the public who worry about contracts tied to elections or other sensitive outcomes. By centering the rule on the federal public-interest standard and on a definition of "gaming," the CFTC is asserting that it — not the states — is the body that decides which event contracts may be offered on registered venues, while simultaneously building in a mechanism to exclude the contracts most likely to provoke objection. That dual move is politically deliberate: it claims federal authority over the category and offers a pressure valve for the most contentious products at the same time. How the final definition of gaming is drawn will therefore signal not just where the commercial line sits but how much accommodation the agency is willing to make to the critics who have dogged the category from the start.

For the market-structure reader, the framing to hold onto is that this is the regulated prediction-market category's foundational rulebook being written in real time. The contracts at issue are not securities and are not SEC-registered; they live under the CFTC's commodity-derivatives authority, which is why a Federal Register notice from the Commission, rather than an SEC filing, is the primary source here. The operators in this space — the venues offering event contracts to U.S. users — are betting their business models on where the CFTC ultimately draws the public-interest and gaming lines. This proposal is the Commission's opening move in drawing them, and the comment file it generates will be the place to watch for how hard the industry pushes back.