Stock analysisAcademy · Chapter 2 · Not losing money · lesson 6 of 7

How to spot a pump and dump

3 min read

Video coming soonThe written lesson below is complete on its own.

Sudden hype about a thin stock is someone’s exit plan.

  1. Accumulate quietly, promote loudly, sell into the buyers
  2. Urgency is the tell — real information keeps overnight
  3. Knowing the pattern does not make you immune
The lesson, on one card

What this is about

A pump-and-dump is an old fraud with a modern delivery. Someone accumulates a thinly traded share, promotes it hard enough to attract buyers, and sells into the demand they created. The buyers are left holding it.

This matters here specifically. We are a social app, and social apps are where the promotion happens.

What it looks like from inside

The uncomfortable part is that a pump feels like an opportunity. That is the product being sold.

The share is small and thinly traded. It is far harder to move a large, liquid company this way — and the promoter needs a position they can exit, which a thin order book makes possible. Low volume and a small float — the portion of shares actually available to trade, excluding blocks held by insiders — are the usual precondition.

The story arrives before the evidence. A transformative deal, a pending announcement, a technology about to be validated. Specific enough to excite, vague enough not to be checkable.

Urgency is built in. "Before Monday." "Loading up now." Urgency exists to prevent the pause in which you would check.

The price has already moved. Often a lot, on volume far above normal, with no filing or news to explain it.

Everyone agrees. Real companies attract disagreement. A stock where every voice is enthusiastic, and doubt is answered with mockery rather than argument, is a managed conversation.

How to check, in about two minutes

A worked example

A post lands in a channel: "Meridian Bio" — fictional here, but the shape is real — "0.42 now, big announcement Monday, float is tiny, loading up before it runs." Two minutes of checking: the volume history shows thirty times average volume over two days with no filing anywhere; the issuer is an OTC company whose disclosures are months delinquent; and the five accounts promoting it all joined this month and post about nothing else. Every box on the list above, ticked in one sitting.

Now the arithmetic the promoter did before posting. They hold two million shares bought around 0.10. To leave at 0.40 they need buyers for 800,000 worth of stock — and in a share this thin, your 1,000 is part of their exit. When the promotion stops, so does the demand it was renting: the bid does not fall to some fair level, it largely disappears, because thin works in both directions. The story said Monday. The plan never included one.

What this does not tell you

A rising thinly traded share is not automatically a fraud. Small companies do occasionally announce real things, and the pattern above will sometimes flag something legitimate. The point is not to identify fraud with certainty — it is to notice you are in the setup where fraud is profitable, and to slow down.

And it does not make you immune. Knowing the pattern and still buying because this one feels different is the most common way people who have read this lesson lose money.

If you see it here

Report it privately — use the report control on the post, or contact an administrator. Flagging something you are unsure about is welcome and costs you nothing.

Please do not accuse another member publicly or in a channel. You may be wrong, an accusation is visible to everyone, and a private report reaches the people who can actually check. Reporting a post is fine; naming a person is a different thing.

Educational material. Nothing here is investment advice, and nothing here is a recommendation to buy or sell anything. SigniBull is a paper-trading platform — no real money moves.

Try it free — everything in the Academy is something you can do in the app with virtual money.