How to Read a Trading Chart
Reading a chart is a four-step procedure: decide which way the lows and highs are going, mark the prices where price stopped before, work out where price is now relative to both, and name the price that would prove the read wrong. The order matters, because each step narrows what the next one can conclude.
A chart is not read all at once. It is read in a fixed order, and the order is most of the skill — because each step limits what the next one is allowed to conclude.
How it works
Start with a chart carrying nothing. No indicators, no lines, no levels from last week.
The reason is not purity. It is that anything already on the chart was put there when you had a different question, and it will answer this one whether it should or not.
Before step one: how much chart
How many bars you show yourself changes what you see, and it happens before any of the four steps.
The chart above is the same price history as the one before it, rolled up three bars at a time. Same market, same period — and the lows are in different places. On the fine chart the three swing lows are 99.60, 100.04 and 100.10; on the coarse one there is a low at 99.79 near the end that the fine chart does not treat as a turn at all.
So pick the timeframe first and hold it. Switching mid-read is how you end up with a bullish structure from one chart and a bearish level from another.
Step one — which way are the lows going
Find the obvious turns and read them in order. Here: 99.60, then 100.04, then 100.10. Each low is higher than the last, so the direction is up.
This goes first because it decides everything after it. In an uptrend, levels below price are where you might buy; in a downtrend the same levels are just floors on the way down. The identical line means different things depending on this step, so this step cannot come second.
The full version is market structure, and which turns count is swing highs and lows.
Step two — mark where price stopped
Now mark the prices where price visibly stopped before. On this chart the two highs are 100.60 and 100.59 — eight thousandths apart, which is one level, not two.
Two touches is the threshold. One high is a high; two at the same price is somewhere the market has twice refused to go further, which is the argument on the support and resistance page.
Mark few. A chart with nine levels on it has no levels on it.
Step three — where is price now
This is the step people skip, and it is the one that produces a decision.
Price is at 100.56, which is at the level from step two and above the last higher low from step one. That sentence is the read. It contains a direction, a location, and a reference point, and it was assembled rather than guessed.
Say it out loud in one sentence. If you cannot, you do not have a read yet — you have two observations that have not been combined.
Step four — name the price that says you are wrong
Below 100.10 the lows are no longer rising, so the thing step one established has stopped being true.
That number is the output of the whole procedure. Not a forecast, not a target — a price at which the read is over, chosen while you still have no position and no opinion to defend.
Everything else on this site that involves money — stop losses, risk management — starts from this number.
A worked example
Timeframe fixed, chart clean, nothing drawn.
Step one: three rising lows. Up.
Step two: two highs at 100.60. One level.
Step three: price is at that level, above the last higher low. Trend up, at resistance.
Step four: below 100.10 the read is wrong.
Then the decision, which is not part of reading the chart at all. The read supports waiting for a break above 100.60 or a pullback that holds above 100.10 — but which of those you take is a strategy question, and the four steps deliberately stop short of it.
The original data
Across our study of 24,971 trading videos, 47 cover how to read a chart. The median one gets 63,006 views, only 49% fail to pass 50,000, and the median length is 12.4 minutes.
That is the highest median of any topic here with more than forty videos behind it — above trend lines at 61,185 and roughly twenty-five times chart patterns at 2,513. Only long and short beats it, on seventeen videos.
And it comes from one of the smallest fields here, 47 videos against 498 for chart patterns.
The corpus carries description text for only 15 of those 47, so the sample is thin. Across those 15, none mentions invalidation, failure, or what a bad read looks like.
When it fails
The steps disagree
Step one says up and step two says here is where up stops. Neither is wrong, and the procedure does not arbitrate.
What it does instead is make the conflict explicit, which is worth more than a false resolution. A read that says “up, but into resistance” is a better read than “up” — and step four still gives you a number either way.
You did step two first
Mark the levels before establishing direction and you will mark the ones that suit the trade you already want. The order exists to stop that, and skipping it is invisible from the inside.
You added an indicator to break the tie
A tie between two honest readings does not get broken by a fifth line computed from the same closes. That argument is on the technical analysis page, and it applies exactly here.
You read it with the answer showing
Every one of these four steps is easy on a finished chart. Cover the right-hand side and step one alone becomes genuinely hard — that low is a higher low or the first lower one, and nothing on screen says which.
Related
Market structure is step one done properly, including what it means when the sequence of highs and lows breaks.
Support and resistance is step two, and how price behaves at a level once you have marked it.
And swing highs and lows decides which turns are big enough to count, which is the judgment step one rests on.
The whole thing takes me under a minute per chart and the reason it is fast is that I do the same four things in the same order every time, so there is no deciding what to look at. What used to slow me down was starting with an opinion and then hunting the chart for support, which takes ten minutes and always succeeds. Doing it in a fixed order means the chart gets to answer before I do.
— Michael Whitman, from this video
This page is educational, not financial advice. Test every idea on your own charts before risking money.