3 / 6 · 9 min
Fear of missing out: the price of entering a move that already happened
We took 459 impulses and measured what happens to whoever buys them. On direction — an honest coin flip. On the way there — a drawdown that knocks out seven entries in ten.
A coin at the top of the board, a handsome green candle, volume three times the usual. A phrase forms in your head: «it is leaving without me». It is cunningly built — it speaks about the future while resting on the past. The move you can see has already happened; the only question is what comes AFTER it. That question is answered by measurement, not by reasoning.
How it was measured
We took the 80 most liquid coins and 83 hours of minute candles. We found every case where price rose 3% or more within five minutes: there were 459 of them, median impulse 3.5%, largest 17.7%. Then we did what a person does: entered at the close of the very candle on which everything is visible. And looked at what followed.
Result of entering at the close of the impulse candle (459 cases)
| After | Median | Share in profit |
|---|---|---|
| 15 minutes | −0.10% | 48.4% |
| 30 minutes | −0.03% | 49.7% |
| 60 minutes | −0.13% | 47.9% |
Direction is an honest coin flip: after an hour 47.9% of entries are in profit, and the median result is minus one tenth of a percent. There is no «price keeps going after an impulse» in the data — but no opposite either: no collapse follows. An impulse simply carries no information about where price goes next. About what happens ALONG THE WAY, however, it is quite specific.
How far price moved AGAINST the entry within an hour
| Went below entry by | Share of cases |
|---|---|
| 1% or more | 84.3% |
| 2% or more | 69.9% |
| 3% or more | 56.2% |
| Median depth of drawdown | −3.49% |
| Returned below the pre-impulse level | 47% |
The key number of this lesson
Seventy percent. That is the share of entries that go at least 2% under water within the hour. It means an ordinary 2% stop takes you out in seven cases out of ten — regardless of where price goes afterwards. You are not paying for being wrong about direction; you are paying for entering at the point where price swings hardest. The median post-impulse range is from −3.49% to +4.35% within an hour.
The expectancy is negative before any human error at all. And this is the optimistic estimate: the measurement entered exactly at the candle close, whereas a person sees the coin in the table later — a minute or two on, when the move has already travelled further. The real entry price is worse than the computed one.
The six slips from lesson one, in money
In the first lesson we computed that someone slipping in just one percent of moments makes 6 unplanned trades a month. Give those trades the honest numbers from this measurement: −0.23% per round trip. Six trades come to −1.4% of the account a month, roughly −17% a year — while each individual trade looked like «I will just try this one, it is obvious». And if such entries are taken in larger size than planned (a common thing: the move is strong, so confidence is higher), the loss grows in proportion.
«I will enter but keep the stop tight»
The most common correction, and it makes things worse. A 1% stop against a median drawdown of 3.49% triggers in 84% of cases: you guarantee yourself the fee and the stop while leaving almost no room for a turn in your favour. A tight stop at the point of maximum swing is not caution, it is payment for being taken out by noise. If a trade demands a wider stop than usual, the right answer is not «tighten the stop» but «take smaller size» — or stay out.
How this differs from trading impulses
An important caveat, otherwise the lesson reads as «impulses are useless». They are not: the derivatives-data course covers how a volume surge together with rising open interest points to new money arriving. The difference is not in the instrument but in who makes the decision. Trading impulses is a rule written in advance with its own stop, size and coin list. FOMO is a decision made BECAUSE you saw a green candle. The first can be tested on a sample; the second cannot even be stated in words before it happens.
Why caution does not cure it
The fear of missing out does not argue with your knowledge — it arrives before it. So the only defence that works is installed beforehand, not in the moment: the list of instruments you trade at all, and the rule that an entry counts only from a level written down in advance. A coin not on the list creates no question; a level that was not written creates no entry. This is precisely the reduction in the number of decisions from lesson one.
Our impulse feed shows moves as they appear. Look at it as data rather than an invitation: come back an hour later and check where price ended up for the coins that were in the feed.
How impulses workYour own measurement instead of ours
Take twenty coins from the impulse feed, write down the price at the moment you saw them and the time. Exactly one hour later open each chart and note two things: where price is now, and how far it managed to travel against the entry. Twenty observations will not prove a regularity, but they will show you your own swing — and that is what decides the fate of such a trade.
An impulse does not predict direction. Why then is entering on one worse than random?
Because of costs and swing. Direction really is a coin flip (47.9% in profit after an hour), but a market round trip costs about 0.1% and price moves against the entry by 2% or more in 70% of cases. You pay the fee and take a drawdown that knocks out an ordinary stop, all for zero expectancy on direction.
How does trading impulses differ from FOMO if the trade looks identical?
By the moment the decision was made. In impulse trading the rule, the stop, the size and the coin list are written BEFORE the impulse occurs, and the result can be computed over a sample. FOMO is a decision triggered by the green candle itself; it could not have been stated in advance, and therefore can be neither tested nor repeated.