The journal logs date, instrument, model probability, filter state (VIX z, max-pain, DTE), size, outcome, and a one-line lesson. Review weekly; loss patterns reveal discipline gaps, not model bugs. Most retail skip this and repeat the same mistake.
The worry: without a journal you cannot see your own repeated error. The free template is the cheapest edge multiplier. Download it, fill it for 20 trades, and the pattern will shock you. Sanitized lessons also build your public track record.
Q: What to log?
A: Date, instrument, prob, filter state, size, outcome, lesson.
Q: Why journal?
A: Loss patterns reveal discipline gaps, not model bugs.
Q: Is it free?
A: Yes — no paywall, part of the free starter kit.
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By Shakti Tiwari · Options AI research pillar. NISM XII certified. Educational only, not investment advice; verify before acting.