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Trading Psychology Concepts

Nov 18, 2025

Overview

Interview with Jared Tendler on trading psychology: balancing emotion, intuition, system design, risk, and long-term development for traders, including prop firm dynamics.

Emotion in Trading

  • Goal is not elimination; correct faulty perspectives that create excessive emotion.
  • Optimal emotional zone varies by individual; avoid flat or overamped states.
  • High emotion can disable emotional control centers, leading to paralysis and revenge trading.
  • Passion, motivation, curiosity are essential; purely robotic removes drive.

Evolution, Temperament, and Causality

  • Primitive wiring influences fight/flight, but causality can be understood and corrected.
  • Temperament varies: fiery vs. easygoing; align system and style with temperament.
  • Nature and nurture both matter; childhood patterns can surface, but not for everyone.

Intuition vs Emotion vs Instinct

  • Instinct (unconscious competence): repeating what you already know; not learning new.
  • Intuition (unconscious, new pattern recognition) requires a knowledge bedrock.
  • Emotions can masquerade as intuition (e.g., fear in FOMO/revenge trades).
  • Distinguish markers:
    • Emotional masquerade: tight chest, shallow breathing, death grip, urgency.
    • Real intuition: calm “aha,” normal breathing, relaxed hands, curiosity.
  • Develop a separate test account to validate intuition after ~24 months experience.

Pattern Recognition Research

  • Body detects bad patterns earlier than the mind: stress response at ~40 cards; awareness ~70; conscious recognition ~100; full behavioral shift ~120.
  • Application: emotions may sense patterns before conscious awareness; avoid confusing with biases.

Learning Stages and Time

  • Conscious competence needs calm; emotion blocks access.
  • Procedural memory (deep skills) lives below emotional systems; requires time and reps.
  • Tiger Woods swing change analogy: two years to be instinctive under pressure; trading similarly requires sustained practice under real market stress.

Backtesting, Sim, and Real Trading

  • Backtesting and sim are helpful but emotionless; cannot replace live trading.
  • Academic mindset “fail → study more” can mislead; sometimes fix emotional execution, not add info.
  • One trade ≠ one game; treat a trade like a single play, not the full result.

Using Emotions Productively

  • Emotions can add edge once mastered; expert “thin slicing” augments systems.
  • Clean out biases to absorb more reality; marry system and intuition instead of suppressing emotions.

Gambling vs Trading

  • Gambling: betting on a negative edge or violating your system.
  • Trading: betting on a positive edge; be “the house.”
  • Early phase can be R&D; past incubation, avoid “hope” and negative-edge behavior.

Variance, Hot/Cold Streaks, and Probability

  • Accept variance; short-term results are noisy; use internal process metrics short term.
  • Hot-hand fallacy is nuanced: your state can improve odds marginally; press when truly “in sync.”
  • In drawdown, either maintain size if confidence stable, or size down to rebuild clarity.

Risk, Sizing, and Scaling

  • Standardized risk can control emotions but limits flexibility.
  • Size A+ setups larger than B; sometimes stop taking B setups if confidence is fragile.
  • Take breaks on hot streaks to avoid overconfidence-driven drawdowns.

Confidence

  • Confidence is an emotion reflecting perceived skills/edge; can be inaccurate.
  • Overconfidence often arises from under-skill and illusion of control.
  • System quality outranks confidence; make confidence more accurate via honest data and corrections.

Stoicism, Corrections, and Band-Aids

  • Stoicism/meditation are short-term crutches to stay functional.
  • Diagnose root flaws (perfectionism, expectations, competitiveness) and build durable corrections.
  • Train new beliefs into procedural memory; frees bandwidth for market perception.

Social Media and Dopamine

  • Ultra-processed content degrades internal state; increases volatility and drains focus.
  • Curate intake; schedule real breaks; avoid filling breaks with feeds.
  • Dopamine is a resource for focus; replenish by boredom tolerance, structured breaks, reduced seeking.

Aligning System With Psychology

  • Adjust timeframes and trade management to fit temperament (e.g., quick BE for loss-averse).
  • Recognize limits; overengineering around flaws can cap growth; use temporary adjustments to regain momentum.
  • Physical, mental, emotional energy gating access to intuition; manage energy first.

Neediness and Life Constraints

  • Trading from financial need often harms performance; be realistic about time/energy limits.
  • Adapt style to life (e.g., swing with day-trade logic) to reduce decision load and fatigue.

Prop Firms: Tool and Traps

  • Use prop firms as incubation to become independently profitable; long-term perspective.
  • Discipline benefits exist, but avoid easy reset buttons; gambling mentality erodes skill.
  • Leaderboards/certificates can inflame biases; focus on process and future skill requirements.

Key Terms & Definitions

  • Emotional Control Center: Higher-brain function for regulating emotion; degrades under high arousal.
  • Unconscious Competence (Instinct): Automatic execution of known skills; no new learning.
  • Intuition: Unconscious detection of new patterns; requires foundational knowledge.
  • Procedural Memory: Deep, nonverbalized skill memory below emotional systems.
  • Illusion of Control: Overestimating influence on results; drives overconfidence.
  • Positive Edge: Strategy expected value > 0 after costs (e.g., rake, slippage).

Action Items / Next Steps

  • Map your optimal arousal zone; define personal markers for over/under-activation.
  • Create a two-column profile: real intuition markers vs emotional masquerade markers.
  • Build an “intuition test” sub-account; log signals, state markers, outcomes.
  • Journal causes, not just feelings: identify expectations, biases, illusions driving spikes.
  • Standardize A/B setup taxonomy with sizing rules; remove B setups during fragile periods.
  • Institute 1–2 minute off-screen breaks each 15–60 minutes; no feeds during breaks.
  • Curate social inputs; timebox consumption; practice short “boredom reps.”
  • Define a drawdown protocol: size-down thresholds, process metrics, scheduled recovery breaks.
  • For prop firm users: ban intra-day resets; commit to dig-out plans; track skills for post-funding stages.
  • Conduct periodic system–temperament alignment reviews; adjust timeframes/management as needed.

Structured Concepts Summary

ConceptDefinition/PrinciplePractical Markers/RulesImplication
Optimal Emotion ZoneBalanced arousal supports executionFlat = bored/tired; Overamped = FOMO, revengePersonalize target state
Emotional HijackHigh emotion weakens control centersAwareness with paralysis, train to step awayPrevent revenge cycles
Instinct vs IntuitionInstinct repeats; intuition detects newInstinct = automatic; Intuition = calm ahaSeparate signals in logs
Masquerading EmotionFear posing as intuitionTight chest, shallow breath, urgencyCounter-signal behavior
Procedural MemoryDeep skills below emotion systemRequires time, reps under pressureBacktesting insufficient
Variance FramingOne trade = one play, not gameProcess metrics > short-term P/LReduces overreaction
Hot-Hand (State)State can marginally raise oddsPress when genuinely “in sync”Avoid overconfidence jumps
Risk SizingSize by setup quality and stateA+ > B; pause B in fragile confidenceMaximize expectancy
Confidence AccuracyEmotion reflecting perceived skillJournal illusions (control, certainty)Stabilize confidence
Stoic Band-AidsShort-term control aidsPair with root-cause correctionsFree bandwidth long term
Dopamine HygieneResource for focus and accessCurated inputs; boredom toleranceBetter intuition access
Prop Firm DisciplineConstraints as trainingNo reset gambling; dig-out plansBuild skills for independence