CFTC Warns On Prediction Market Manipulation Risks

Article By Charlie Mullan Last Updated: Sep 24^th, 2026 · 2 min read

CFTC Warns On Prediction Market Manipulation Risks

The Commodity Futures Trading Commission's Division of Market Oversight (DMO) issued a staff advisory on September 22, 2026, warning designated contract markets that a fast-growing category of event contracts settling on whether a named individual says certain words, attends an event, or otherwise interacts with another person are "presumptively susceptible to manipulation," according to the advisory.

The CFTC calls these contracts "Mention Markets." The designation puts the burden on exchanges to demonstrate adequate safeguards exist before regulators will accept a product submission, making it harder for platforms to self-certify such contracts under the streamlined Part 40 process.

The advisory does not ban the contracts outright or create new legal obligations, but signals the commission's intent to apply Core Principle 3 of the Commodity Exchange Act, which prohibits designated contract markets from listing products readily susceptible to manipulation, to any event contract where a single person's conduct determines the outcome.

Built On A Precedent-Setting Enforcement Case

The advisory follows the CFTC's first-ever enforcement action alleging market manipulation in a prediction market, settled on July 31, 2026

It found that former Rep. George Santos had traded an event contract based on his own attendance at the 2026 State of the Union address while posting misleading statements on social media to move the contract's price.

Santos was ordered to return $17,569.98 in profits, pay a $17,500 civil penalty, and accepted a three-year ban from CFTC-registered platforms.

Questions To Be Answered

The DMO's advisory outlines factors staff will weigh when evaluating a Mention Market submission, including whether the controlling individual is bound by legal, professional or fiduciary obligations that deter manipulation, whether the contract is vulnerable to manipulation by proxy through pressure on that individual, and whether the relevant conduct is independently verifiable and subject to public scrutiny.

Regulators say Mention Markets differ structurally from sportsbooks and most event contracts already trading on prediction platforms, which settle on externally generated outcomes such as Federal Reserve rate decisions, election results or sports scores that lie outside any single person's control.