CFTC Sets Higher Bar for Mention Market Contracts

Mention markets differ from many conventional event contracts because the outcome can depend on a specific action by a named individual. Examples identified by the CFTC include whether someone uses a particular word during a speech or earnings call, attends an event, appears alongside another person or interacts with someone on social media.

The concern becomes more pronounced when the person determining the outcome can deliberately trigger it, or when people close to that person have advance knowledge of scripts, guest lists, prepared remarks or other non-public information.

The CFTC said:

These contract types present a heightened risk of manipulation because their settlement turns on the discrete conduct of a person.

These concerns overlap with earlier industry debate over prediction-market contracts the NFL considers vulnerable to manipulation. The league has previously raised concerns about narrow markets involving broadcast mentions, celebrity attendance, officiating and individual sporting actions, distinguishing them from broader game-result contracts.

Under Core Principle 3 of the Commodity Exchange Act framework, designated contract markets must list contracts that are not readily susceptible to manipulation. CFTC staff said mention markets may be viewed as presumptively susceptible to manipulation in some circumstances, meaning exchanges could need to provide a stronger justification when submitting them.

The assessment is still contract-specific. The advisory identifies several factors that exchanges should consider, including whether the person determining the outcome is subject to independent professional or legal obligations, how easily outside parties could influence them and whether the result can be independently verified under meaningful public scrutiny.

Trading rules and surveillance are another part of the assessment. The CFTC points to measures including restricted participant lists, insider screening, position limits, reporting requirements and monitoring for unusual trading patterns. Exchanges are also encouraged to identify people who control or have privileged access to the underlying event and calibrate controls to those risks.

A recent Kalshi disciplinary case involving George Santos illustrates the type of exposure involved when a trader can influence the event underlying a contract. The disputed market concerned Santos’ own attendance at the State of the Union, an outcome over which he had direct control.

The distinction between guidance and regulation is important for prediction-market businesses. CFTC Letter 26-27 states that it is informational, creates no new obligations and represents the views of Division of Market Oversight staff rather than a new binding Commission rule.

The advisory instead explains how existing requirements apply to a narrow class of contracts. It also makes clear that some mention markets may still be listed where their design, trading rules, surveillance and other safeguards sufficiently address manipulation risks.

That narrower approach comes as prediction markets face scrutiny on several fronts. The National Council on Problem Gambling recently called for stronger prediction-market safeguards, while a Texas Senate hearing examined the boundary between federal prediction-market oversight and state gambling law.

Market integrity concerns are also developing beyond the US. The European Securities and Markets Authority has highlighted insider trading and market integrity risks in prediction markets, adding to regulatory attention around contracts where information advantages or individual influence can affect outcomes.