📖Paul Tudor Jones
Position Sizing
Risk only small percentage per trade to survive drawdowns.
Never risk more than a small percentage of your capital on any single trade. Proper position sizing ensures no single loss can destroy you.
🏠 Everyday Analogy
📖 Core Interpretation
Paul Tudor Jones 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：Jones risks only 1-2% of capital on any single trade. This conservative sizing ensures that even a string of losses won't significantly damage the portfolio. Position sizing is more important than entry price. If you risk too much, one bad trade or unlucky streak can wipe you out. Small risk per trade combined with asymmetric reward creates sustainable edge.
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❓ Why It Matters
Proven through decades of successful investing
🎯 How to Practice
Apply this principle systematically
🎙️ Master's Voice
I think one of my strengths is that I view anything that has happened up to the present point in time as history.
Jones has remarkable ability to let go of past mistakes. He focuses on the present moment and what to do next, rather than dwelling on errors. This allows quick adaptation.
⚔️ Practical Guide
✅ Decision Checklist
- Am I dwelling on past mistakes?
- Am I focused on what to do next?
- Am I letting the past cloud my judgment?
📋 Action Steps
- Treat past mistakes as history
- Focus on the present and next steps
- Learn from mistakes without dwelling
🚨 Warning Signs
- Dwelling on past errors
- Letting mistakes affect current decisions
- Unable to move on
⚠️ Common Pitfalls
Equating volatility with all forms of risk
Oversized positions without an exit plan
Using leverage to compensate for uncertainty
📚 Case Studies
1
Pre-Crash Equity Short (1987)
Ahead of the October 1987 crash, Jones sized S&P futures shorts aggressively while tightly limiting equity long exposure, targeting asymmetric payoff if volatility spiked.
✨ Outcome：Large profits in the crash while avoiding catastrophic loss, reinforcing his conviction that position size is primary risk control.
2
Managing Risk Around LTCM (1998)
During the LTCM/Russia crisis, he reduced gross exposure, capped single-position risk, and limited leverage across correlated macro trades to avoid forced liquidation.
✨ Outcome：Preserved capital and avoided major drawdowns, demonstrating that strict sizing across related bets mitigates systemic shock risk.
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