The federal regulator of prediction markets has reservations about so-called "mention markets," where traders buy and sell contracts based on what someone might say during a speech, earnings call, or on social media.
I read it as something else, too: a warning about “microbetting” via prediction markets.
- The CFTC warned that “mention markets” could be vulnerable to manipulation because insiders may influence what determines a contract’s outcome.
- This mirrors concerns about microbetting, where a few people with privileged information could influence small events like individual pitches.
- The warning also reflects broader CFTC efforts to tighten prediction-market practices as operators face ongoing legal challenges.
Now, CFTC staffers didn’t say in their advisory yesterday that prediction markets can’t offer mention markets, such as what the president will say in remarks at the United Nations.
The bottom line from CFTC staff was more of a warning, that these event contracts "may present a heightened risk of susceptibility to manipulation.” If you’re gonna offer them, you need to prove that they can’t be easily gamed.
And there have been issues with mention markets, namely a White House teleprompter operator trading on what the president might say. The CFTC staff letter comes in the wake of all the press that situation garnered.
Regulatory clarity drives sound markets. Pleased to see staff provide guidance on the potential risks and unique considerations associated with the listing of mention markets on @CFTC regulated exchanges and remind DCMs of their obligation to list only contracts not readily… https://t.co/KwRpmLQ43Y
— Mike Selig (@ChairmanSelig) September 22, 2026
It’s similar to the concerns that have been raised about so-called “microbetting” markets offered by state-regulated sportsbooks. These would be in-play wagering opportunities on whether the next pitch of a baseball game would be a ball or strike, or the next play in a football game a run or a pass.
All of that got dragged into an unflattering spotlight last year, when two MLB pitchers were accused of tipping off bettors about pitches. Following those allegations, Major League Baseball and its sportsbook partners announced new restrictions for microbetting markets.
So: mention market-related scandal, mention market-related warning; microbetting-related scandal, microbetting-related restrictions. A single word could just be part of a much more extensive speech. Likewise, a pitch is just one action in a broader event, a baseball game.
Mentions would also be a relatively small part of the business for the CFTC to restrict.
According to Aldrin Research, there was more than $408 million in notional trading volume on Wednesday for sports-related contracts on Kalshi. Mention markets, meanwhile, saw $1.8 million in trading.
Microbetting could be viewed similarly. It's beloved by some, surely, but it's not the biggest part of the online sports betting business.
Look what you made me do
While I’m sure prediction market operators wouldn’t appreciate the comparison to sports betting markets, I’m going there. The CFTC’s letter is leading me there as well.
“As the settlement of contracts in Mention Markets may be controlled by a single individual, a small group of individuals, or persons with access to or influence over the individual whose words, attendance, or interaction determines settlement, (Division of Market Oversight) staff may view Mention Markets as presumptively readily susceptible to manipulation and accordingly expect a heightened showing in support of any submission seeking to list such contracts,” the letter says.
Here, the letter points to a footnote that cites the commission’s still-proposed rules for prediction markets: “sporting event contracts involving discrete player actions can be controlled or influenced by a small number of individuals, or by those with privileged access to information, are particularly susceptible to manipulation, and thus raise heightened public interest concerns.”
Those proposed rules specifically called out event contracts settling on "the type or outcome of a specific pitch thrown by a specific pitcher" as possibly presenting “public interest concerns” that could stop a contract from being listed for trading.
Today's CFTC staff advisory for "mention markets" likens the concerns that they raise to those of "next pitch" or "next play" microbetting markets for baseball or football: pic.twitter.com/KOB0b8sY9y
— Geoff Zochodne (@GeoffZochodne) September 23, 2026
So the CFTC’s concerns about mention markets feel very microbetting-coded (I hope I'm using that term right).
They could also be viewed as part of a broader campaign by the commission to regulate prediction markets in a way that moves them away from some of their more eyebrow-raising practices. Other examples of this would be warnings about sportsbook-style betting odds and proposed rules for “bona fide” market making.
In other words, the regulator is regulating. And it’s doing so as prediction markets continue to face a legal siege that could ultimately strip them of products like sports event contracts. In Washington, it should be noted, Kalshi was ordered by a judge to stop offering both sports and mention markets.
Will any of the above carry weight in a courtroom? It might. But, in the meantime, and perhaps for much longer, this is how the game is supposed to be played: concerns are raised, regulators respond, rinse and repeat.
