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Risk Management: Stop Loss, Take Profit & Position Sizing

Risk Management
2026年4月19日
~2 min read
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AlphaDesk HK Editorial

Risk Management: Stop Loss & Take Profit

Why Risk Management Matters Most

In investing, controlling losses is more important than chasing profits. The math is simple:

LossReturn Needed to Break Even
-10%+11.1%
-20%+25%
-30%+42.9%
-50%+100%

The larger the loss, the harder it is to recover. This is why stop losses are crucial.

Stop Loss Strategies

Common Methods

  1. Fixed Percentage — Stop at 5-10% loss
  2. Technical Stop — Stop when price breaks support or moving average
  3. Volatility Stop — Set distance based on ATR (Average True Range)
  4. Time Stop — Exit if target not reached within a set period

Stop Loss Principles

  • Determine stop loss before entering a trade
  • Place stops at technically meaningful levels
  • Don't move stops against your position (only in favorable direction)
  • Execute strictly — no hoping for recovery

Take Profit Strategies

  1. Fixed Target — Sell at predetermined profit target
  2. Trailing Stop — Raise stop loss as price rises
  3. Scaled Exit — Sell in 2-3 portions to lock in partial profits
  4. Technical Exit — Sell on reversal signals

Position Sizing

The 2% Rule

Maximum loss per trade should not exceed 2% of total capital.

Calculation:

  • Total capital: $100,000
  • Max single trade loss: $100,000 × 2% = $2,000
  • If stop distance is 5%, max position = $2,000 / 5% = $40,000

Manage Risk on AlphaDesk HK

  • 🔔 Price Alerts [blocked] — Set stop loss and take profit alerts
  • 📝 Trade Journal [blocked] — Record stop loss/take profit execution
  • 📊 Performance Report [blocked] — Analyze your risk management performance

Disclaimer: This article is for educational purposes only and does not constitute investment advice.

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