Max Drawdown
Why this matters
Drawdown is the distance from an equity peak to the lowest point before a new peak. Max drawdown is the worst of those declines over a period.
Traders obsess over returns and underweight drawdowns. The market does not care. Your psychology and your account both feel the trough.
Peak to Trough
If your equity hits $12,000, then falls to $9,000 before making new highs, that drawdown is $3,000 or 25% from the peak.
Max drawdown is the largest such decline in the window you measure — week, month, or career-to-date.
- Measured from peak equity, not from starting capital only
- Open unrealized losses count in live equity
- Different windows show different max DDs
Equity Drawdown
Equity curve with a marked peak and subsequent trough before recovery.
Recovery Math Is Brutal
A 10% loss needs about 11% gain to recover. A 50% loss needs 100%. A 75% loss needs 300%. Deep holes require heroic returns just to get flat.
This is why preventing large drawdowns beats planning epic comebacks. Size and daily stops exist to keep holes shallow.
- Losses and gains are asymmetric in recovery
- Protect the left side of the equity curve
- Smaller DD → faster path back to highs
Psychological Impact
Drawdowns change behavior: tighter entries that miss, revenge size, abandoning a working playbook, or freezing entirely.
Knowing your historical max DD helps you set expectations. If your system routinely sees 15% DD, panic at 8% is premature — but 30% may mean the process broke.
- Pre-define what DD means "review rules" vs "halt"
- Do not rewrite strategy at the bottom of every dip
- Reduce risk when DD approaches your personal limit
Controlling Drawdown
Lower risk per trade, cap correlated exposure, use daily/weekly loss limits, and stop trading when you are tilted. These are drawdown controls disguised as discipline.
Volatility regimes matter: the same size in a quiet market can produce larger DD when ranges expand.
- Risk % and correlation caps
- Circuit breakers after losing days
- Size down when realized volatility jumps
Track It Honestly
If you only remember winning weeks, your mental max DD is fiction. Use equity history that includes fees and funding.
TrendWave’s performance tracking helps you see equity swings and realized results so drawdown is measured, not guessed.
- Include costs in equity
- Review DD alongside win rate and R
- Set a max DD you refuse to exceed by rule
Key Takeaways
Remember these points
- •Max drawdown is the worst peak-to-trough equity decline.
- •Deep losses need outsized gains just to recover.
- •Drawdowns distort decision-making — plan responses in advance.
- •Size, correlation caps, and loss limits control DD.
- •Measure drawdown with real equity history, including costs.
Common Mistakes
Only tracking returns
A high return with a 60% DD may be untradeable for you personally — and close to ruin.
Changing systems at every trough
Some DD is normal variance. Distinguish expected DD from process failure.
Increasing size to "get it back"
That often deepens the drawdown. Size down until equity stabilizes.
Quiz
0/4 answered1.Max drawdown measures:
2.After a 50% loss, recovery to breakeven requires about:
3.A practical way to limit drawdown is to:
4.During a normal system drawdown you should generally:
Save your quiz score & progress
Create a free account to track completed lessons, save quiz results, and pick up where you left off.
Related Lessons
Why Risk Management Matters
Why surviving drawdowns matters more than finding a perfect setup — risk of ruin, blow-ups, and giving your edge time to work.
Position Sizing Basics
Learn to size positions from dollar risk and stop distance so each trade risks a fixed percent of equity — not a guess.
Discussion
Join the discussion
Sign in free to ask questions, leave notes, and learn with other traders.