Sequence of
returns risk
Your average return over 30 years might look fine. But if a market crash lands in your first five years of retirement, you may never recover — even if the market does. Here's why.
The basic
concept
Sequence of returns risk is the danger that the timing of investment losses — not just the magnitude — permanently damages your retirement portfolio. Specifically, a significant market downturn in the early years of retirement has a much more destructive effect than the same downturn later.
The reason is withdrawals. When you're drawing money from your portfolio to cover living expenses, a loss early on forces you to sell a larger number of shares to meet the same dollar need. Those shares are gone permanently — they can't participate in the eventual recovery. A loss later in retirement, by contrast, hits a smaller portfolio that you've already lived off for years. The math is asymmetric in a way that catches many people off guard.
Why it matters in retirement
(and not before)
During the accumulation phase — while you're working and saving — sequence of returns risk exists but is manageable. A market crash early in your career actually works in your favor: you're buying more shares at lower prices with ongoing contributions. Dollar-cost averaging is a real benefit when you're net buyers.
In retirement, you flip from net buyer to net seller. You're withdrawing 4–5% of your portfolio every year to cover expenses. Now a down market forces you to sell shares at exactly the wrong time — when prices are lowest. And because those shares are gone, you have fewer shares left to benefit from the subsequent recovery. Each withdrawal in a downturn locks in losses permanently.
This is why the first decade of retirement is disproportionately important. A rough analysis often shows that the outcomes at age 90 are more heavily determined by what the market did between ages 60 and 70 than by what it did between 70 and 90.
Some research suggests the first five years of retirement are the most consequential. If you get through that window without a severe drawdown, the probability of portfolio survival rises dramatically — even with average or below-average returns afterward.
A concrete
example
Consider two retirees who both start with $1 million, withdraw $50,000 per year (5%), and experience the same 20-year sequence of returns — but in reverse order.
Retiree A gets good returns early: +15%, +12%, +10%, +8%... then a -30% crash in year 15.
Retiree B gets the same returns but in reverse order: the -30% crash hits in year 1, and the good years come later.
Same average return. Same withdrawal amount. Retiree A ends the 20 years with substantial assets. Retiree B may be depleted by year 14 or 15, despite the identical average.
The mechanism: Retiree B, having taken the -30% hit in year 1 while withdrawing $50,000, has a much smaller portfolio entering year 2. The $50,000 withdrawal now represents a higher percentage of the shrunken balance, compounding the damage each subsequent year. The portfolio never recovers its proportional footing.
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What makes
it worse
Several factors increase your exposure to sequence risk:
The more you withdraw relative to your portfolio size, the more shares you must sell in a downturn. A 6–7% withdrawal rate is much more vulnerable to sequence risk than a 3–4% rate.
A 100% stock portfolio has higher expected returns but more volatility. If your retirement date lands during an equity crash, the damage can be severe. Most planners suggest moderating equity exposure near and just after retirement.
If you can't reduce withdrawals during a down market (e.g., you have fixed expenses that require full withdrawals), you're forced to sell regardless of market conditions.
Retirees with Social Security, pensions, or annuities covering a meaningful portion of their spending are less exposed — they don't need to sell as many portfolio shares during a downturn to meet expenses.
How to reduce
your exposure
There's no way to eliminate sequence of returns risk, but there are strategies that reduce it meaningfully:
Cash buffer / bucket strategy: Keep 1–3 years of living expenses in cash or very short-term bonds. During a market downturn, draw from the cash buffer rather than selling equities. This gives your portfolio time to recover before you need to liquidate equity positions. The tradeoff: cash earns very little, so maintaining a large buffer has an opportunity cost.
Flexible spending: If you can reduce withdrawals during a significant market downturn — spending less on discretionary items — you can dramatically improve your portfolio's recovery prospects. Research suggests that even modest spending flexibility (cutting 10–15% for a year or two during a drawdown) has a large positive effect on portfolio survival probability.
Glide path into retirement: Gradually shifting from an aggressive allocation toward a more moderate one in the 5–10 years before and after retirement reduces the downside magnitude during the vulnerable early years. You accept somewhat lower expected returns in exchange for reduced volatility during the highest-risk window.
Guaranteed income sources: Delaying Social Security to 70 maximizes your guaranteed income floor and reduces the portfolio withdrawals needed in your 70s and 80s. If a pension or annuity covers your basic expenses, your equity portfolio can serve as growth capital rather than income capital — which means you can ride out downturns without selling.
Stress test
your plan
The most practical thing you can do about sequence of returns risk is to test your plan against it. Drawdown Arc lets you apply a custom market shock — a percentage drop in portfolio value — at any point in your projection.
You can see exactly how a 2008-style crash (roughly -40% in the first year of retirement) affects your depletion age, your tax burden, and your year-by-year balance. You can then explore which combinations of spending flexibility, withdrawal order, and guaranteed income give you the most resilience.
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