Mention Prediction Markets: How They Work and How to Trade Them
Mention prediction markets let traders bet on whether a specific word or phrase will be said by a public figure during a defined event — a speech, an earnings call, a press conference, or a similar scheduled appearance.
Traders buy Yes/No contracts based on whether they think a specific term will come up. For a broader explanation of how prediction markets work, including contracts, pricing, and trading mechanics, see our prediction market trading guide.
This guide focuses specifically on mention prediction markets: what they are, the types of mention contracts, what drives their prices, how they settle, the risks specific to this category, and where to trade them.
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What Mention Prediction Markets Are
Mention prediction markets turn speech-related outcomes into tradeable contracts.
These markets typically ask whether a public figure will say a specific word or phrase during a defined event, an earnings call, a press conference, a speech, or another scheduled appearance. Recent examples on Kalshi have included markets built around a company’s quarterly earnings call and around a political figure’s scheduled public remarks.
The contract resolves based on whether the specified term is used during the event, within the market’s defined timeframe, and according to the rules’ own definition of a qualifying mention, which can turn on details like exact wording, grammatical variants, and exactly which portion of the event counts.
Mention markets grew out of the same appetite that drives political prediction markets and pop-culture prediction markets generally: a scheduled public appearance already gets watched closely and picked apart in real time on social media, so turning specific, well-known talking points into tradeable contracts is a natural extension of that attention rather than a new behavior platforms had to create from scratch.
Types of Mention Markets
Mention markets mostly use a single core contract structure: whether a specific word or phrase is said during a defined event. The wording and resolution rules determine what actually counts as a qualifying mention.
Word or Phrase Mention Contracts
The core mention-market contract pays out based on whether a specific word or phrase is spoken during a defined event — a press conference, an earnings call, a political speech, or a sports broadcast.
A single event can generate several separate mention contracts, each tied to a different candidate word or phrase. A market built around one scheduled appearance might list a dozen or more individual contracts — covering everything from a specific policy term to a person’s name — each priced separately based on how likely traders think that particular word is to come up.
Contract rules determine exactly how words and phrases are interpreted. Traders need to confirm whether a market counts only the exact word or phrase specified, or whether variations and grammatical forms — plurals, possessives, or related words like “invest,” “invested,” and “investment” — also qualify. A trader can correctly predict that a public figure will discuss a topic and still lose if the specific wording used doesn’t match the contract’s criteria.
Some contracts go a step further and specify whether a word said sarcastically, in a hypothetical, or while quoting someone else still counts — a detail that rarely comes up in everyday conversation but matters a great deal to how a market resolves. Rules this specific exist because ambiguous cases have already caused real settlement disputes on past mention markets, not because platforms are being unusually cautious.
The event and timeframe matter too: a qualifying mention usually has to occur during the specified event itself, not in related coverage before or after it.
What Moves Mention Prediction Market Prices
Mention prediction market prices are mainly influenced by information about the event and the likelihood that the specified word or phrase will actually be said.
As the event approaches, pre-event details — comments from the public figure, an announced agenda, recent developments, or trending topics — can hint at likely talking points and shift the odds on contracts tied to related words.
The event itself can cause rapid price swings as it unfolds. A speaker’s opening remarks, a press conference’s focus areas, or an interview’s topics can all move the odds on a qualifying mention. Precise wording still matters, though — discussing a subject doesn’t necessarily mean the exact words or phrases required for resolution were actually used.
Contracts on different candidate words from the same event often move independently of one another rather than all together — a speaker settling into a topic can send one word’s contract sharply higher while a competing, unrelated word’s contract barely moves, since traders are pricing each specific phrase’s odds separately rather than treating the whole event as a single outcome.
How Mention Markets Settle
As with all prediction markets, mention contracts settle according to the resolution criteria stated in the contract rules — and that process varies meaningfully by platform.
On regulated markets like Kalshi, settlement typically relies on an official source named in the contract, such as an approved transcript or broadcast, with the relevant source and criteria spelled out in the contract’s own filing. Other platforms, such as Polymarket, generally use an oracle-based process instead, letting a proposed outcome be challenged and settled through the platform’s dispute mechanism.
A February 2026 Kalshi market on what Bernie Sanders would say during a tele-rally in Greensboro, North Carolina, is a useful illustration of why the rules matter more than what a viewer might assume happened. Unofficial clips circulated showing Sanders using some of the listed terms, but Kalshi’s rules prioritized video evidence from a designated list of news outlets, falling back to their transcripts if consensus couldn’t be reached. Because the event wasn’t covered by any of those approved outlets, the available evidence didn’t meet the verification bar, and the contracts resolved No — regardless of what the unofficial clips appeared to show.
Where to Trade Mention Prediction Markets
Mention markets aren’t offered as widely as more common categories like sports or crypto. Kalshi and Polymarket are currently the two major platforms running them, and availability depends on the specific event rather than being a standing category the way weather or crypto markets are.
Before trading a mention market on either platform, confirm it operates in your jurisdiction and read that specific market’s rules closely. The two platforms define and settle “mentions” differently — particularly around what counts as acceptable evidence and how word variants are handled — so a market that looks identical on the surface can resolve very differently depending on where you trade it.
Platform | Regulation | How It Settles Mentions | Promo Code (Click to Play Now) |
CFTC-approved (via its QCX LLC acquisition); crypto/USDC-funded | Oracle-based process; a proposed outcome can be challenged through the platform's dispute mechanism | ||
CFTC-regulated | Official transcript or approved broadcast source named in the contract's filing | No offer currently |
For fees, account requirements, and other trading mechanics, see our platform reviews.
How to Trade Mention Prediction Markets
Unlike markets where the outcome develops over days or weeks, a mention contract can move rapidly the moment a speech, interview, earnings call, or broadcast begins.
Traders should note exactly when a contract considers the event to have started and ended, and what content is eligible for resolution. Kalshi’s mention contracts, for example, specify that only the live broadcast or stream counts, excluding recordings or prior aired content. Rules also spell out which plural or possessive word forms qualify.
This makes the minutes just before and during the event the key execution window, since prices can move fast once a relevant topic comes up, though only if the exact wording used matches what the contract requires.
It’s also worth watching liquidity separately from price. A mention contract can sit at a price that looks attractive right up until the event starts, then see its spread widen sharply the moment the speaker begins, simply because far more traders are watching and reacting at once. This means the price you see a minute before the event may not be the price you actually get once it’s underway.
Risks Specific to Mention Prediction Markets
A mention market’s outcome can differ sharply from what seems obvious to anyone watching or reading about the event, because the contract only cares about whether its specific evidence and verification rules were met — not what a viewer plainly heard. The Bernie Sanders Greensboro tele-rally market covered above is the clearest example: clips appeared to show the qualifying words being said, but the contracts still resolved No because the event fell outside the platform’s approved evidence sources.
A second, distinct risk is that the outcome is partly in the speaker’s own hands. Because the specified words are usually public once a market opens, a speaker aware of an active mention market has an incentive to say — or deliberately avoid saying — specific words to influence the outcome. Coinbase CEO Brian Armstrong illustrated this on a 2025 earnings call, when he referenced an active prediction market live on the call and then used some of its listed terms directly.
Because of both risks, treat a mention market’s apparent outcome as unconfirmed until the platform posts its official resolution, rather than assuming a clip or headline settles the question the way the contract’s own rules will.
Mention Prediction Markets FAQ
It varies by platform and contract. Some markets count grammatical variations, plurals, or possessives, while others require the exact word or phrase. Always check the specific contract’s rules rather than assuming related words qualify.
The resolution source named in the contract overrides informal evidence such as social media clips or unapproved transcripts. The Bernie Sanders Greensboro tele-rally market on Kalshi is the clearest real example: recordings suggested Sanders used certain terms, but the contracts settled No because the event didn’t meet the market’s verification standard.
Yes. The two platforms use different resolution methods and evidence standards, so the same real-world event can produce different outcomes. Kalshi relies on official sources and approved transcripts, while Polymarket uses an oracle and dispute process.
No. Mention markets cover far more than political speeches. Recent and plausible examples span earnings calls, press conferences, Federal Reserve events, sports broadcasts, and awards shows.
They’re unusually exposed to this risk, since a speaker aware of a market’s terms can deliberately say — or avoid — specific words. Coinbase CEO Brian Armstrong demonstrated this on a 2025 earnings call by referencing an active prediction market and then using some of its listed terms.
