How to Identify an Order Block
To identify an order block, find a move that broke a structural level, then mark the last candle in the opposite direction before that move began. Without the structural break it is not an order block, it is simply a candle you have chosen.
An order block is the last candle in the opposite direction before a move that broke structure. The definition has two parts and the second one — the structural break — is the part most often dropped, which turns a specific pattern into any candle somebody likes the look of.
Before you start
A written definition of what qualifies, because the term is used loosely. Last opposing candle, before a move, that broke a marked level. All three conditions.
A structural break that the block preceded, since without one it is just a candle. The level that broke has to have been marked before the move.
A rule for when a block is spent and comes off the chart. Once price trades through it, it is gone. Without that rule the chart accumulates levels indefinitely.
The steps
1. Mark the structural level first
A swing high or low, drawn while nothing is happening. This is the same discipline every structural pattern needs and the one most often skipped.
2. Wait for a move that breaks it
Not a touch, a break — and by more than ordinary movement. On this site’s shared series the ninetieth percentile bar range is 1.101, so a fractional exceedance does not qualify.
3. Find the last opposing candle before that move
For an upward break, the last down candle before the move started. One candle, identified by a rule rather than by which one looks significant.
4. Mark its range and leave it alone
The candle’s high to low is the zone. Widening it later because price reacted slightly outside is how a precise pattern becomes an area that always works.
5. Wait for price to return, if it does
Many are never revisited. That is the normal outcome and it is invisible in most explanations of the pattern, which are illustrated exclusively with blocks that were.
6. Require a reaction before entering
Price reaching the zone is arithmetic. Price reaching it and being rejected is behaviour, and only the second one is evidence about what participants did there.
7. Take the stop beyond the block
Past the far edge of the candle’s range. That distance sets the size, and if it is uncomfortably wide the answer is a smaller position rather than a closer stop.
How to tell it worked
The structural level was marked before the break that created the block.
Exactly 1 candle was identified, by the rule rather than by appearance.
The zone was drawn once and widened 0 times.
And blocks that price traded through were removed within 1 day, so the chart stays current.
What the pattern claims and what it shows
The claim is that unfilled institutional orders remain at that level. That is an interpretation rather than something the chart shows, and no publicly available data confirms or refutes it.
What the chart shows is a level that preceded a decisive move. That is a weaker and defensible statement, and it is enough to make the level worth marking without needing the story attached to it.
Why the coverage numbers are worth knowing
391 videos and a 2,786 median is an unusual combination. It is the most heavily covered concept in this framework and one of the least watched per video, which is what saturation looks like.
It also means the definition drifts. With that many explanations, the term gets applied to progressively looser things, and a reader arriving from any two of them will have two different rules.
Which is the argument for writing your own definition down. Not because yours is better, but because a rule you can state is one you can apply the same way twice.
Keeping a record that can settle it
Mark every block your rule produces, including the ones you never trade. Those are the control group, and they are the entire difference between a rule and a collection of good examples.
Record four things for each: the date, the zone, whether price returned, and what happened if it did. Thirty seconds per block.
After forty blocks the record answers the question directly. How many were revisited at all, how many produced a reaction on arrival, and how many simply traded straight through.
Nobody else can supply that answer. Every published illustration of this pattern was selected after the outcome was known, so the only unbiased sample available to you is the one you build from your own instrument and your own written rule.
The original data
Of the 24,971 unique videos in research/search-study-corpus.jsonl, 391 mention order blocks in the
title, at a median of 2,786 views across 289 channels, and 61% of those titles are instruction-shaped.
Fair value gaps appear in 150 at 28,170 and liquidity sweeps in 69 at 17,537. The counts come from
site/corpus_count.py.
391 videos at 2,786 against 150 at 28,170 for the neighbouring pattern. Two and a half times the coverage and a tenth of the audience per video — the clearest saturation signal anywhere in this corpus.
The answer to the question on that chart is that extending the zone after the reaction is fitting. The block either contained the reaction or it did not — and a zone that grows to include whatever happened is one that can no longer be wrong, which means it can no longer be right either.
When it fails
The failure is the block found after the reaction, and it is almost invisible from the inside. Price returns to an area and turns. Looking back, there is a candle right there that fits the definition loosely enough. It gets marked, the reaction confirms it, and the pattern’s record improves. What actually happened is that a level was drawn at a place already known to matter, and the exercise proved nothing about whether the rule finds levels in advance.
The second failure is dropping the structural break. Then any candle qualifies.
A third is widening the zone. It stops being able to fail.
A fourth is entering on arrival. Reaching a level is not reacting to one.
A fifth is keeping traded-through blocks. The chart fills with spent levels.
And a sixth is trading the story rather than the level. The order-flow claim is untestable.
Related
Order block covers the definition in full. Breaker block is what one becomes after price trades through it. And smart money concepts is the framework these patterns belong to.
The test I apply is whether I could have marked the level before price came back to it. If I found the block by looking at where price reacted, I have drawn a line at a place I already knew mattered, which proves nothing and feels like analysis.
— Michael Whitman
This page is educational, not financial advice. Test every idea on your own charts before risking money.