Trading Journal Mistake Log Template

A mistake log works only when entries are consistent. Keep each log item short and structured so the weekly review can compare behavior patterns instead of reading free-form notes.

Document the trade context and trigger so your corrective action addresses root cause, not just outcome.

• Mistake category (entry timing, sizing, exits, discipline, risk override)
• Setup and market context at the time of the mistake
• Trigger that led to the decision (emotion, rushed process, unclear rule)
• Direct impact on risk or execution quality
• Corrective rule to test in the next week

A repeatable weekly review turns mistake tracking into process improvement. Group errors by category, identify what repeated, and choose one corrective behavior to test next cycle.

Keep actions measurable so next week's review can confirm whether the change was followed.

• Group mistakes by category and count weekly frequency
• Prioritize one high-impact repeat mistake
• Write one behavior rule and one environment change
• Define how compliance will be checked next review
• Carry unresolved patterns into monthly trend analysis

Stable categories make trend analysis possible. If labels change weekly, you lose comparability and your review quality drops quickly.

• Rule violation: entered without full setup confirmation
• Risk drift: increased size after losses to recover quickly
• Exit inconsistency: closed early without strategy trigger
• Context miss: ignored market volatility regime shift
• Documentation gap: failed to log thesis or invalidation

Mistake logs are strongest when connected to your metrics and journaling system. Pair frequency trends with execution scores and strategy outcomes to validate whether fixes are working.

Focus on one change at a time to avoid process overload and preserve consistency.