FOMO and Chasing
Entering because a move is already happening rather than because a plan said to. It is the most expensive common error because it systematically buys the worst prices.
MadStockAlerts Research · Updated August 28, 2026
What to take away
- Chasing enters late, which means a wider stop loss or a worse risk-reward ratio.
- Attention is drawn to a move after it has largely happened, not before.
- The feeling intensifies as the opportunity gets objectively worse.
- A pre-defined entry condition is what removes the decision from the moment.
- It is a selection effect rather than a character flaw.
MAD Academy Training Video · 0:44
The Worst Price Feels the Safest
Chasing happens because confidence peaks exactly when a move is most extended, which is also when the risk is largest.
This lesson is part of a Stock Alerts + Tools plan.
The structural problem
A stock becomes noticeable because it has already moved. By the time it is on a most-active list, in a headline, or being discussed, the move that made it noticeable is behind it.
This is a selection effect rather than a character flaw. Attention is allocated by what has already happened, so acting on attention alone is structurally guaranteed to be late. The feeling gets stronger as the entry gets worse, which is precisely backwards.
Framing it structurally matters, because the usual framing is about discipline and willpower. A mechanism that reliably points people at bad entries is not defeated by resolve; it is defeated by changing what generates the candidate list.
Scroll the chart sideways to see all of it.
What it costs mechanically
Entering a move already extended leaves the logical exit level far below, because the structure the position would be invalidated by has not moved. That means either a wide stop, which forces a small position, or a tight arbitrary stop that has a high chance of being triggered by ordinary noise.
| Entry | Distance to structural stop | Consequence |
|---|---|---|
| At the base | Small | Reasonable size, clean invalidation |
| After a 15% advance | Larger | Smaller position for the same risk, or a worse ratio |
| After a 60% advance | Very large | Either a tiny position or a stop with no structural basis |
The third row is where the real damage happens, because the usual response is the second option: a stop placed at a comfortable dollar distance rather than at a level that means anything. That position is then exited by noise rather than by evidence.
The countermeasure
The conventional response is to define entry conditions in advance and to treat anything not meeting them as not a candidate, regardless of what it is doing. The decision is then made when nothing is happening rather than while it is.
The related habit is keeping a record of chased entries alongside the trades that met the plan. The comparison is usually stark enough to be more persuasive than any rule, because it is evidence about the person reading it rather than a general claim.
Why the feeling is manufactured, not personal
The urgency around a security that has already moved is not a failure of character. It is produced by the same mechanism every time, and understanding the mechanism is more useful than resolving to be more disciplined.
- 1Attention follows movementScreeners, feeds and rankings are sorted by change. A security that has moved is mechanically pushed in front of more people than one that has not.
- 2Coverage follows attentionCommentary is written about what people are already looking at, which multiplies the attention rather than adding information.
- 3Confirmation arrives lastBy the time a reason is widely available, the move that the reason explains has largely happened. The explanation is the lagging part.
- 4The distance to any exit has grownThe structure that would have defined a sensible exit is now far below, which is the only part of this that is arithmetic rather than psychological.
Every step in that chain is a property of how information is distributed, not of the person receiving it. The feeling is the intended output of the system, which is why it arrives on schedule and feels identical every time.
What it looks like from the other side
The same move looks different depending on when it was noticed, and the difference is measurable rather than emotional. Someone holding from before the move has a position whose exit sits just below their entry, a few percent away. Someone entering at the point of maximum attention has an exit that is at the bottom of the whole move, and the same dollar risk therefore buys a far smaller position.
| Held from before | Entered at the attention peak | |
|---|---|---|
| Distance to a structural exit | A few percent | The whole advance |
| Position size at the same dollar risk | Large | Small, sometimes trivially so |
| What a normal pullback does | Nothing | Ends the position |
| What is being relied on | The original reason | Continuation, which is a different claim |
That last row is the substantive point. A position entered after the move requires a further move to work, and the case for a further move is a different case from the one that produced the first. It may be a good one. It is not the same one, and it is rarely the one being made in the moment.