Breakout vs Reversal
Breakout trading enters as price moves through a level, while reversal trading enters as price fails at one. Both use the same level and take opposite sides of it, and the two produce mirror-image result shapes for the same reason.
Two entries taken at the same place for opposite reasons. One says the level gave way; the other says it held. Both are legitimate, and they produce very different records.
What each one is
A breakout enters as price moves through a level. The reasoning is that a level giving way says something about the balance either side of it. Breakout covers it.
A reversal enters as price fails at a level. The reasoning is that the level held, and that the failure is the start of a move the other way. Reversals covers that side.
Both depend on the level being defined first. A level drawn after price reacted is not a level, it is a description of what already happened.
Where they differ
Which outcome you are betting on. Continuation through, or rejection at. Those are the only two possibilities, which is why the same chart supports both trades.
The shape of the results. Breakouts lose often and small, because most breaks do not run. Reversals win often and small, because most tests do hold — and lose large when one does not.
Where the stop goes. A breakout has the level behind it, so the invalidation is a place rather than a distance. A reversal entered before the failure is confirmed has nothing behind it at all.
What confirms each. A breakout is confirmed by continuation, which arrives late. A reversal is confirmed by the failure itself, which is earlier and far less reliable.
Where they agree
Both need the level marked in advance. Neither trade means anything if the line was drawn after price reacted to it, and that is the single most common way both are ruined.
Both fail in a range. On this site’s shared series direction runs average 2.01 bars with a longest of 11, and short runs produce false breaks and failed rejections in equal quantity.
Both cost a round trip — about 2% of the median bar range of 0.493 here — which the smaller, frequent wins of a reversal method have to clear every single time.
And both need a written invalidation before entry. The ninetieth percentile bar range here is 1.101 and the largest single bar was 2.338, which is what a tight stop is up against either way.
Which one to use
Trade breakouts when you can accept losing often. The method produces a run of small losses punctuated by the occasional large win, and abandoning it during the run is how most people experience it.
Trade reversals only with a level behind the entry. Something the stop can sit beyond, so the invalidation is a place where the idea is wrong rather than an amount you were willing to lose.
Trade breakouts when the level is well established. On this site’s series 85% of 39 twenty-bar breakouts held and 100% of the 11 fifty-five-bar ones did — the longer the level, the better the break behaved on this data.
And when the reversal case is only that price has moved a long way, do not take it. Distance travelled is not a level, and a move can extend far past the point where it looks stretched.
Why the stop placement decides it
Because one of them has a structure to hide behind and the other may not. That is not a preference, it is whether the trade can be sized at all — position size comes from stop distance, and an arbitrary distance produces an arbitrary size.
And because the reversal’s rare loss is its largest. A method winning frequently accumulates confidence and, usually, size — which is the state the one that keeps going arrives into.
The original data
Of the 24,971 unique videos in research/search-study-corpus.jsonl, 1 compares the two directly in the
title, at 340 views. Separately, breakout appears in 396 titles at a median of 6,159 across 269
channels, and reversal in 276 at a median of 7,010 across 216. The counts come from
site/rank_compare.py and site/corpus_count.py.
396 videos on one at 6,159 and 276 on the other at 7,010, with 1 comparing them at 340. Two very heavily covered subjects and almost nobody putting them side by side, which is odd given that they are the two possible trades at any level you can draw.
The answer to the question on that chart is that you cannot know, and you do not have to. Pick the one whose stop has a place to sit — usually the break, because the level is behind it — and let the other setup go.
When it fails
The failure is switching sides mid-trade, and it turns one loss into two. A breakout is entered, it fails, and price comes back through the level. Rather than taking the loss, the position is reversed on the grounds that a failed break is a reversal signal. Price then breaks again in the original direction. Both trades lose, both round trips are paid, and neither idea was given the invalidation it was entered with.
The second failure is drawing the level after the reaction. Everything works in hindsight.
A third is a reversal entry with nothing behind it. The stop is then a guess.
A fourth is trading either in a range. Short runs produce both signals constantly.
A fifth is judging a breakout method on ten trades. Its wins are rare by design.
And a sixth is sizing up after a run of reversal wins. That run is what the method produces.
Related
Breakout covers the entry through a level. Reversals covers the entry against one. And support and resistance covers how the level itself is defined.
These are the same chart read two ways, and the tell is where the stop goes. A breakout has the level behind it, so the invalidation is obvious. A reversal entered mid-air has nothing behind it, and the stop ends up being a distance somebody picked rather than a place the idea fails.
— Michael Whitman
This page is educational, not financial advice. Test every idea on your own charts before risking money.