Amazon StockProPosition management notes
Losses are nonlinear: a 10% loss requires an 11% gain to break even; a 20% loss requires a 25% gain; a 50% loss requires a 100% gain; a 90% loss requires a 900% gain. Survival comes first, making money second. Without position management, one extreme market move can leave you deep in the mud.
Newbie Pitfall: All-in Gambling
Going all-in to chase a quick turnaround, but the market has no 100% certainty. Even with a 70% win rate, you could lose 10 times in a row, leading to bankruptcy. It's recommended to build positions in batches, using trial and error to achieve controllable drawdowns.
Practical Case of Batch Position Building
Assume the fair price of the asset is 10 yuan, currently fluctuating between 9-10 yuan. Divide the total capital into three parts (total position 60%):
• Step 1: Test position (30%), buy at 9.5-10 yuan. If wrong, only lose a small part; if it rises, you're already on board.
• Step 2: Add on dips (20%), buy at the 8-9 yuan support level to average down the cost.
• Step 3: Opportunistic buying (10%), buy if it falls below 8 yuan (e.g., 6 yuan).
Result: Cost reduced to 8.5 yuan. Maximum floating loss of 30%, rebounds to 8.5 yuan to break even, and a big profit at 10 yuan. Keep 40% cash for risk management.
Risk Diversification: Low Correlation
Holding multiple stocks doesn't mean diversification—if they're in the same sector (e.g., tech), a systemic sell-off will hit them. Allocate to low-correlation assets: tech + gold ETF + defensive stocks (e.g., utilities, healthcare). Elasticity in uptrends, cushion in panics.
Position Management
• Bull market: Pyramid adding. Base position 30%; add 20% on breakout; add 10% on strength. Control costs, ride the main uptrend. Shift to profit-taking when momentum stalls.
• Bear market: Inverse pyramid approach. Only for quality stocks, start with 10% observation; add 15% on dips; add 20% in panic. Set maximum loss, cut if breached.
Breaking Bad Habits
1. Refusing to admit mistakes, averaging down beyond plan: Exit when stop-loss is triggered.
2. All-in on rumors: Use 5% to verify, add more only after confirmation.
3. Time for space: Trapped capital is better shifted to safe assets. Don't cling to a sinking ship.
Conclusion: Respect the market, save bullets for critical moments.
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