TLDR The CFTC is reviewing prediction market “mention markets” over concerns they may be easy to manipulate, according to two people familiar with the matter. Kalshi removed sports mention markets until further notice while political and earnings mention markets stay active. CFTC rules require exchanges to only list contracts that are not easily manipulated. Kalshi previously flagged its own trader, Trump’s teleprompter operator, after suspicious mention-market trades produced over $90,000 in profit. The CFTC has not confirmed the inquiry, and both the agency and Kalshi declined to comment.
The Commodity Futures Trading Commission is looking into prediction market contracts known as “mention markets.” These are contracts based on whether a specific person says a certain word out loud.
NPR reported the review on Aug. 13, citing two people with direct knowledge of the inquiry. The report says regulators are concerned these contracts may be too easy to manipulate.
Kalshi has already responded. The company pulled its sports mention markets “until further notice.”
The CFTC has not made a public announcement about the review. Both the agency and Kalshi declined to comment when NPR asked for details.
NEW: The CFTC has launched a probe into prediction market “mention markets” as a category, where people bet millions on whether President Trump, sportscasters, executives on earning calls say a word or not.
Focus of probe is whether this kind of betting is susceptible to…
— Bobby Allyn (@BobbyAllyn) August 14, 2026
What Are Mention Markets?
Mention markets let traders bet on whether someone will say a specific word or phrase. Sports versions have included wagers on whether a broadcaster says words like “MVP,” “ankle” or “redshirt.”
Kalshi removed all sports mention contracts as part of this review. Other mention markets are still running.
Political mention markets tied