Risk Management

What Is Maximum Drawdown and Why It Matters

What MDD means
Maximum Drawdown (MDD) is the largest percentage decline your account experienced from a prior peak. Even if the final result is positive, if the equity curve dipped 40% below a previous high at some point, your MDD is 40%.
Why final return alone isn’t enough
A +50% return achieved through slow, steady gains and a +50% return that included a dip to -60% along the way are completely different risk profiles. A strategy with a large MDD is far more likely to have gotten liquidated or psychologically abandoned during that drawdown.
The return needed to recover
  • A 20% drawdown requires +25% to recover
  • A 50% drawdown requires +100% to recover
  • An 80% drawdown requires +400% to recover
Checking your own MDD
If you keep logging your balance after each trade, the dashboard’s equity curve lets you see MDD visually. Don’t just look at the return — build the habit of also looking at how deep that curve dipped before it climbed back.
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