📖Duan Yongping

Continuous Improvement System

🌿 Intermediate★★★★☆

Treat investing as a craft that can always improve. A single large drawdown can erase years of progress. Risk control is not timidity; it is the operating system that keeps compounding alive. Define downside scenarios before entry, cap position size, avoid fragile leverage, and maintain liquidity so mistakes remain survivable. Duan Yongping treats survival as the first objective. Limiting permanent capital loss, controlling leverage, and avoiding single-point failure are prerequisites for long-term compounding. Key insight: Post-mortem analysis drives systematic improvement.

Avoid misuse: Equating volatility with all forms of risk

💬

Review every investment decision — wins and losses — to improve your system. The best investors treat investing as a craft that can always be refined.

— Duan Yongping Interview，2021

🏠 Everyday Analogy

Risk control is like a seatbelt. It does not make the ride faster, but it keeps you alive when conditions suddenly turn against you.

📖 Core Interpretation

Duan Yongping treats survival as the first objective. Limiting permanent capital loss, controlling leverage, and avoiding single-point failure are prerequisites for long-term compounding.
💎 Key Insight：Post-mortem analysis drives systematic improvement.

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❓ Why It Matters

A single large drawdown can erase years of progress. Risk control is not timidity; it is the operating system that keeps compounding alive.

🎯 How to Practice

Define downside scenarios before entry, cap position size, avoid fragile leverage, and maintain liquidity so mistakes remain survivable.

⚠️ Common Pitfalls

✕Equating volatility with all forms of risk
✕Oversized positions without an exit plan
✕Using leverage to compensate for uncertainty

📚 Case Studies

1
Charity Lunch with Buffett (2006)
Paid over USD 600,000 for a charity lunch with Warren Buffett to learn value investing and long-term thinking.
✨ Outcome：Reinforced focus on intrinsic value, circle of competence, and doing the right things over chasing short-term gains.
2
Investment in NetEase (2005)
Duan Yongping recognized NetEase’s strong gaming ecosystem and loyal user base as a durable moat and invested heavily when the market doubted its sustainability.
✨ Outcome：NetEase’s profits and market share grew significantly, and the stock multiplied over the next decade.

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