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Psychology

Sentinel-Tier Trader

PSG's term for the highest tier of trader development. Not bias-free, not unemotional, not a rule-following robot. The Sentinel catches the bias in 30 seconds instead of 30 minutes. The tilt cascade is interrupted earlier. The recovery loop is shorter. The work did not end — it got faster.

See also
Psychology Architect (Archetype) The trader archetype anchored to process and thesis rather than PnL. Identity is separable from any single outcome. The Architect records, reviews, and compounds learning. A bad outcome on a plan-followed trade is variance, not a verdict. → Psychology Deliberate Practice Structured repetition with specific goals and immediate, accurate feedback (Ericsson et al., 1993). Without accurate feedback, repetition accumulates hours but not skill. Years of trading without a journal is 1 hour of practice repeated 1,000 times — the loop is broken. → Psychology Plan-Followed vs Plan-Broken The journaling distinction between trades where the pre-committed plan was executed and trades where it was deviated from. Expectancy must be calculated separately for each. If plan-broken expectancy matches or beats plan-followed, the written plan is not a plan — it is a written suggestion. →
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