📖William Gann
Lifelong Learning
Knowledge compounds like interest for investors.
The best investors never stop learning. Read voraciously, study history, learn from mistakes, and stay curious about the world. Knowledge compounds like interest.
🏠 Everyday Analogy
📖 Core Interpretation
W.D. Gann advocates a repeatable process: define criteria, execute consistently, and review decisions against evidence. Process quality drives outcome consistency.
💎 Key Insight：Continuous learning is a lifelong competitive advantage.
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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
Crash of 1983—87 Bull Market Reversal (1987)
An investor rides the strong 1980s bull market, but unlike peers, applies Gann’s rules: pyramids cautiously, sets stops, and watches time and price cycles.
✨ Outcome：Capital mostly preserved in October 1987 crash; limited drawdowns and quick recovery enabled by disciplined exits.
2
Pre-Crash Distribution Pattern (1929)
Gann observes repeated geometric and cyclical signals of exhaustion in leading industrials before the 1929 crash, aligning with his natural law timing cycles and price angles.
✨ Outcome：Reduces long exposure and initiates short positions, profiting significantly as the market collapses into 1932.
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