Understanding Drawdown: The Most Important Risk Metric

Drawdown is the single most important concept in trading risk management. Yet many traders don't fully understand its implications. What Is Drawdown? Drawdown measures the peak-to-trough decline in your trading account. If your account peaks at $110,000 and then drops to $104,000, your drawdown is $6,000 or 5.45%. Types of Drawdown Static (Fixed) Drawdown Your maximum loss is calculated from your starting balance. If you start with $100,000 and have a 10% max drawdown, you can lose up to $10,000 total, regardless of how much profit you've made. Example: Start $100K → Make $15K profit ($115K) → You can still drop to $90K before violation. Trailing Drawdown The drawdown limit follows your highest account balance. This is significantly harder to manage. Example: Start $100K → Make $15K profit ($115K) → Drawdown trails up → You can now only drop to $105K. End-of-Day (EOD) Trailing Same as trailing but only updates at market close, not intraday. This gives you more breathing room during vol