📖George Soros

Sell Discipline Rules

🌿 Intermediate★★★★★

Follow pre-defined sell criteria without emotion.

💬

Have clear, pre-defined sell criteria. Sell when: your thesis is broken, valuation is fully realized, or a significantly better opportunity appears.

— Soros on Soros,1995

🏠 Everyday Analogy

A process is like a pilot checklist: discipline prevents simple mistakes when pressure rises and keeps outcomes more repeatable.

📖 Core Interpretation

George Soros advocates a repeatable process: define criteria, execute consistently, and review decisions against evidence. Process quality drives outcome consistency.
💎 Key Insight:Disciplined selling prevents emotional decision-making.

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❓ Why It Matters

Without process, there is no reliable feedback loop. Structured execution and review improve decision quality over time.

🎯 How to Practice

Run a decision loop of research, thesis, execution, and post-mortem; document assumptions and update playbooks with evidence, not hindsight bias.

⚠️ Common Pitfalls

Having opinions without execution criteria
Reviewing outcomes but not decisions
Abandoning rules during volatility spikes

📚 Case Studies

1
Black Wednesday Short (1992)
Soros hypothesized the British pound could not stay in the ERM band and would be forced to devalue.
✨ Outcome:Built a massive short position against the pound; when devaluation hit, his fund reportedly profited about $1 billion.
2
Asian Financial Crisis Baht Bet (1997)
He hypothesized Thai authorities could not sustain the baht’s peg amid rising external debt and capital flight.
✨ Outcome:Short positions on the baht and related assets profited when Thailand devalued and regional markets sold off sharply.

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