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Building a trading journal you will actually keep

Dan Seaton, FounderPublished 25 September 2026

Most trading journals fail for the same reason. They record what happened to the money and almost nothing about the decision, so a month later there is nothing in there to learn from. You end up with a spreadsheet of outcomes and no idea which of your own habits produced them.

A journal that works does the opposite. It captures the reason you acted, written before you know how it turned out, in few enough words that you will still be writing them in six weeks. The outcome gets added later, next to the reason, and the pair is what you review.

The rest is scheduling. A short weekly pass over your own entries, a longer monthly pass over the patterns, and a format short enough that a busy day does not break the chain.

Record the decision, not just the trade

Your broker already stores the trade. Prices, sizes and dates are all recoverable, so copying them by hand is wasted effort. What is not recoverable is what you were thinking, and that disappears within about a day.

Six things are usually enough for an entry:

  • What you saw that made you act, in one sentence
  • Where you would be wrong, stated before you enter
  • The size you took and why that size rather than a bigger or smaller one
  • How you felt when you pressed the button, in a word or two
  • Anything unusual about the conditions, such as a news event or a thin session
  • The outcome, added later, plus one line on whether you followed your own plan

The fourth one gets skipped and it is often the most useful. Tired, annoyed, bored and impatient show up in a journal long before they show up anywhere else.

Write it at the time, not at the end of the week

Memory edits itself to fit the result. If you write the reason after you know the outcome, you will write the reason the outcome suggests, and the entry becomes a small piece of fiction that feels completely honest.

So the reason goes in at entry, before anything is known. A screenshot of the chart at the moment you acted is worth more than a paragraph written on Sunday, because it shows what was actually visible rather than what you remember being visible.

The outcome goes in when the position closes. Keeping those two moments apart is the whole trick.

Keep it short enough that you do it

The fastest way to kill a journal is to design a beautiful one. Twenty fields, a rating system, a tagging scheme and colour coding all work fine for a fortnight, then one busy week arrives, you skip three days, and the backlog makes you skip the rest.

Two sentences and a screenshot is a real journal. Ten fields is a project. If an entry takes longer than the trade took to plan, the format is wrong, and you will not notice that until the habit is already gone.

Use the same template every time. Consistency matters more than depth, because the value comes from comparing entries with each other, and you cannot compare entries that were written in different shapes.

What to review, and when

The weekly pass

The weekly pass is short and it only looks at your own words. Read the week's entries in order and ask three questions.

Did you follow your own plan, entry by entry? Which trades were not in the plan at all, and what were you doing in the hour before you took them? And which entries have no reason written in them, because those are usually the impulsive ones and the gap in the record is the finding.

Then group the week's entries by the reason you wrote rather than by the outcome. Grouping by outcome tells you about luck. Grouping by reason tells you which of your setups you are actually trading, which is often not the one you believe you are trading. If momentum entries keep appearing in a week you thought was a patient one, that is worth knowing, and what momentum means in stocks is a reasonable place to check your definition against a standard one.

The monthly pass

The monthly pass ignores individual trades. You are looking for shapes.

Which setups do you keep returning to, and which ones do you talk yourself into after an hour of staring at a screen? Does your size change with your mood or with your plan? Are the entries with the clearest written reasons different in character from the vague ones? Do certain days, sessions or news conditions keep showing up around the trades you regret?

Include the trades you did not take. A note saying you saw a setup and passed on it is a decision, and a month of those notes tells you whether you are patient or simply hesitant. Most people never record a non trade, which is why they cannot tell the difference.

It is also the right moment to check how you are using your data sources. If a score or a screen keeps appearing in your reasons, your journal is the only honest record of whether it changed your decisions or just agreed with them afterwards, which is the practical way to check an AI stock rating rather than trusting the marketing around it.

Why journals get abandoned

Four reasons cover nearly all of it.

The format is too big, so the first busy week ends it. The journal lives somewhere you never open, so writing an entry means switching apps and losing the moment. It is treated as a scoreboard, which makes it painful to open after a bad run, exactly when it is most useful. Or nothing is ever reviewed, so it becomes a diary rather than a tool, and a diary nobody reads is easy to stop writing.

The fix for all four is the same. Smaller entries, kept where you already look, reviewed on a fixed day, read as a record of decisions rather than a record of money.

How InsiderPulse handles this

InsiderPulse includes a Trade Journal so the record sits next to the data you used to make the decision rather than in a separate file. On paid plans you can import entries by screenshot, which removes most of the typing that makes people quit. The Free plan includes five entries by hand, which is enough to find out whether the habit suits you before you decide anything. You can see the details on the trade journal page and the plan limits on pricing.

InsiderPulse is a data tool. Nothing on this page is financial advice.

Frequently asked questions

What should go in a single journal entry?
The reason you acted, where you would be wrong, the size and why, how you felt, anything unusual about the conditions, and later the outcome with a note on whether you followed your plan. The prices and dates are already with your broker, so there is no need to copy them. One or two sentences per field is plenty.
How often should I review a trading journal?
A short weekly read of your own entries catches repeated behaviour while you can still remember the context, and a longer monthly pass looks for patterns across setups, sizing and conditions. Reviewing less often than monthly tends to mean the journal is never read at all, which is the most common way the habit dies.
Do I need a separate app for a trading journal?
No, but the journal needs to live somewhere you already open, because friction is what kills the habit. A notebook works if you keep it on the desk. A journal inside the platform you use for research works for the same reason.
Should I journal trades I did not take?
Recording the setups you saw and passed on gives you a record of your patience, which is invisible otherwise. It also stops the journal becoming a list of times you acted, which quietly encourages acting. One line is enough for a pass.

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