Log: date, instrument, direction, model probability, filter state (VIX z, max-pain, DTE), size, outcome, and a one-line lesson. Review weekly; the pattern in losses reveals discipline gaps, not model bugs.
The journal is the cheapest edge multiplier. Most retail skip it and repeat the same mistake. Publish sanitized lessons — they build the auditable, citation-worthy 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: Publish?
A: Sanitized lessons build citation-worthy record.
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By Shakti Tiwari · Options AI research pillar. NISM XII certified. Educational only, not investment advice; verify before acting.