Trading Journal Guides

How to keep a trading journal that actually improves your results — what to log, which metrics matter, and the review habit that turns data into an edge.

A trading journal is a record of every trade you take along with the reasoning behind it — the setup, the entry, the stop, the size, the result, and what you were thinking when you took it. The logging is the easy half. What separates a journal that changes your trading from one that gets abandoned after two weeks is whether the data ever gets reviewed, and whether the fields you record can actually support a conclusion.

Two fields do most of that work: the setup tag, which lets you group results by strategy instead of staring at one blended P&L figure, and planned vs. actual, which is the only way to separate a losing trade you took correctly from a winning trade you took by breaking your own rules. Without those two, a journal is bookkeeping.

The guides below cover the three parts in order: what to record per trade, which metrics to calculate once you have 30-50 trades logged, and the daily and weekly review cadence that turns the record into decisions.

Frequently asked questions

What is the point of keeping a trading journal?

To find repeatable patterns in your own decisions. Broker statements already record what you did; a journal records why, which is the part you can act on. Without the reasoning attached, a losing streak and a broken strategy look identical after the fact.

How detailed should a trading journal be?

Detailed enough to support analysis, simple enough to complete on your busiest trading day. If logging takes more than about 15 minutes, the fields are too complicated and the habit will break exactly when the data would be most useful. Start with one row per trade and add fields only when you miss them.

Can you keep a trading journal in a spreadsheet?

Yes, and starting there is a reasonable way to find out which fields you actually use. The limit is analysis: calculating expectancy and R-multiple per setup tag by hand is the manual step that tends to get skipped, and a skipped review is a journal that has stopped working.