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CFTC ‘Mention Market’ Guidance Shows Challenge of Policing Novel Contracts

💬 CFTC ‘Mention Market’ Guidance Shows Challenge of Policing Novel Contracts - thumbnail

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This week the Commodity Futures Trading Commission (CFTC) released guidance on mention markets, a subset of prediction markets that pertain to individuals’ speech, attendance at events, and interactions.

The advisory’s concern is that mention markets are fundamentally different from standard CFTC-approved event contracts, like “will the Fed hike rates in the next FOMC meeting?” These contracts settle on events that single individuals have little or no control over the outcome of the contract. Mention markets, on the other hand, are different in that they settle on “the discrete conduct of a named person,” such as “will Elon Musk say bitcoin on the next SpaceX earnings call?” As a result, the regulator’s Division of Market Oversight (DMO) notes, there is heightened risk in these markets under Core Principle 3, the statutory requirement that Designated Contract Markets (DCMs) list only contracts that are “not readily susceptible to manipulation.”

The DMO’s reasoning follows three risk vectors:

  1. Ease of manipulation: the person controlling the outcome (or those close to them) can often trigger or avoid the triggering conduct at will.

  2. Information asymmetry: insiders (event staff, scriptwriters, PR handlers) may have advance knowledge of what will happen, creating trading advantages.

  3. Low detectability: when the triggering conduct happens in private, informal settings, or involves non-public figures, there's little independent verification or public scrutiny to catch manipulation.

In light of this, the DMO says Mention Markets should be treated as “presumptively readily susceptible to manipulation,” meaning DCMs face a higher bar to justify listing. The advisory details a four-factor scorecard DMO will use when a DCM files to list such contracts:

  1. Independent obligations constraining the controlling individual

  2. Susceptibility to manipulation through external pressure directed at controlling individuals

  3. Independent verification and substantial public scrutiny.

  4. Robustness of prophylactic trading rules, surveillance, and controls

The advisory says a DCM’s controls (factor 4) can’t be substituted with reliance on the market’s named individual’s own outside legal obligations (factor 1) and that exchanges still have to build their own safeguards.

Notably, the letter is purely informational and creates no binding rule, doesn’t reflect a formal Commission ruling, and does not prohibit DCMs from listing mention market contracts.

Our take

As, er, mentioned above, most CFTC-approved event contracts settle on outcomes single individuals cannot control (e.g. “will the Fed hike or cut?” or “who will win the 2028 presidential election?”). Mention markets are fundamentally different in this regard because they settle on the “discrete, voluntary conduct of a single named person” (e.g. “will Jensen Huang say 'data center' in Nvidia’s next earnings call?”). This creates a structural manipulation risk under Core Principle 3, which requires Designated Contract Markets (DCMs) to list only contracts that are not “readily susceptible to manipulation.”

The CFTC’s advisory addresses part of this risk as it relates to mention markets, but not all of it, without explicitly barring these markets. It’s not due to a lack of effort on the DMO staff’s part, but because the residual risk runs into constitutional protections and evidentiary standards which apply to these types of markets that a listing standard simply cannot resolve. Ther four-factor test functions largely as a transparency and market surveillance filter that can keep the least verifiable and low-scrutiny mention markets (e.g. a remark on a personal phone call or a comment at a closed-door dinner) off exchanges and monitor suspicious market activity. But for markets that do clear the bar (specifically ones around individual speech), verification and market oversight are solved without capturing the full “manipulability” picture. The market’s named individual can simply say the words for any reason, thereby “manipulating” the outcome. If they and those close to them don’t hold a position, they sit entirely outside the regulatory perimeter. The Commodity Exchange Act (CEA) manipulation liability attaches to conduct in connection with trading, and every control the advisory contemplates (i.e. restricted lists, position limits, surveillance, inducement rules) presumes the manipulator has an economic interest in the market or is coordinating with someone who does. A person with neither characteristic avoids all such controls.

Someone who knows a mention market exists but has no economic exposure can still choose to say specific words that resolve the market one way or another.

Nor can that gap be closed prospectively, because the First Amendment prevents a DCM or the CFTC from writing a rule that would reach it; no one can require the named individual to avoid certain words, penalize them for saying them, or compel disclosure of what they intend to say. Someone who knows a mention market exists but has no economic exposure can still choose to say specific words that resolve the market one way or another. Someone who says the trigger phrase deliberately is indistinguishable from one who does so incidentally without proof of direct intent, which can be difficult to obtain in the case of speech.

As a whole, the controls outlined in the CFTC’s guidance can catch manipulation that runs through coordination and trading. But by nature of mention markets, they may struggle with cases where named individuals simply act on their own unprompted judgement. This point is one we made on Galaxy Brains in February.

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