Definicja

Drawdown — What is Capital Decline?

What is drawdown (capital decline)? How to measure it, what values are normal and why max drawdown is crucial for risk assessment.

Quick Answer

Drawdown (capital decline) is the percentage decline in portfolio value from the last peak to the lowest point before recovery, calculated as (current value − peak value) / peak value × 100%. Max drawdown — the largest peak-to-trough fall in the whole history — is the key risk metric, because it captures the worst loss an investor actually lived through (e.g. S&P 500 −56% in 2007–2009). It matters more than volatility because it measures only losses, and recovery is asymmetric: a −50% drop needs +100% to recover. Use it to gauge risk tolerance, compare strategies, and plan a cash cushion. This is general educational information, not investment advice.


What is Drawdown?

Drawdown (capital decline) is the percentage decline in portfolio value from the last peak to the lowest point before recovery. It measures how much you lost from the best moment.

Formula

Drawdown = (Current value - Peak value) / Peak value × 100%

Example: Portfolio grows to 150,000 PLN (peak), then falls to 120,000 PLN.

Drawdown = (120,000 - 150,000) / 150,000 × 100% = -20%

Max Drawdown — The Most Important Risk Metric

Max drawdown is the largest decline from peak to trough in the entire portfolio history. It shows the worst scenario an investor experienced.

Historical Max Drawdowns

Index/asset Period Max drawdown
S&P 500 2007–2009 -56%
S&P 500 2020 (COVID) -34%
WIG20 2007–2009 -68%
Bitcoin 2017–2018 -84%
Polish Treasury bonds 2021–2022 -8%

Why is Drawdown More Important Than Volatility?

Volatility (standard deviation) treats gains and losses equally. Drawdown measures only losses — what actually hurts the investor.

Mathematics of Loss Recovery

Drawdown Growth needed for recovery
-10% +11%
-20% +25%
-30% +43%
-50% +100%
-80% +400%

The larger the loss, the harder it is to recover. A 50% decline requires 100% growth — this can take years.

How to Use Drawdown in Practice?

  1. Risk tolerance assessment — if a -30% max drawdown won't let you sleep, reduce equity allocation.
  2. Strategy comparison — with similar returns, choose the one with smaller max drawdown.
  3. Safety cushion planning — you must survive drawdown without forced selling.

Recovery Time — How Long Does Recovery Take?

Max drawdown without time context is incomplete. Recovery time is the period from trough to return to previous peak:

  • S&P 500 (2007–2009): drawdown -56%, recovery ~4 years
  • S&P 500 (2020): drawdown -34%, recovery ~5 months
  • WIG20 (2007–2009): drawdown -68%, recovery — still not recovered (as of 2026!)

How Freenance Can Help?

Freenance automatically calculates your portfolio's drawdown — you see current decline from peak and historical max drawdown. This helps assess real risk and adjust strategy to your tolerance.

👉 Monitor portfolio risk — freenance.io

FAQ

What is the difference between drawdown and a regular loss?

Drawdown measures the decline from the historical peak, not from your entry price. Even if your portfolio is still above purchase price, a drawdown can be significant if it has fallen from a recent high. It is a peak-to-trough metric used to describe risk through the entire history of holding the asset.

What is considered a "normal" max drawdown for a stock portfolio?

For a fully equity portfolio, historical max drawdowns of -40% to -60% during major crises (2008, 2020) are typical. A diversified portfolio with bonds usually limits max drawdown to -20% to -30%. The acceptable level depends on your investment horizon and personal tolerance — not on a universal benchmark.

Does a smaller max drawdown always mean a better strategy?

Not necessarily. A strategy with low drawdown may also generate low returns. The Sharpe ratio and Calmar ratio are used to evaluate return relative to risk. The choice depends on your goals — for a long horizon, occasional higher drawdowns can be acceptable if returns are correspondingly higher.

How do I calculate max drawdown for my portfolio?

You need a daily or monthly history of total portfolio value. For each day, calculate the rolling maximum from the start to that day, then compute the percentage decline from that maximum. The largest decline observed is your max drawdown. Tools like Freenance can automate this calculation.

Can I avoid drawdowns entirely?

No — every risky asset is subject to drawdowns. You can only limit them through diversification, asset allocation (stocks/bonds/cash), and an appropriate investment horizon. Trying to fully avoid drawdowns through market timing usually leads to worse long-term results than holding a diversified portfolio.

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