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Notes on
behavioral performance.

Essays on discipline, execution, and the behavioral side of discretionary trading.

Jun 8, 2026

The real cost of rule-breaking trades

Most traders track P&L by strategy. Almost none track it by behavior. Splitting rule-aligned sessions from rule-deviated ones changes what you decide to fix.

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May 20, 2026

Why trading journals fail rule-breakers

Journals record mistakes after the fact. For discretionary traders whose losses come from broken rules, the fix has to happen before the entry — not in the evening review.

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