Sequence-of-Returns Risk: Why the Timing of Losses Matters in Retirement

Alpha Sentinel is a software platform, not a registered investment adviser. This article is educational, not investment advice. Full disclaimer at the end of this post.

You retired, or you are about to, and the market falls hard in the first year you start drawing on your savings. A colleague who retired five years later, with the same average returns over his whole retirement, ends up with far more money left. The difference is not skill and not the average. It is sequence-of-returns risk: the order in which good and bad years arrive matters a great deal once you are withdrawing money, even when the long-run average is identical.

Key Takeaways

• Sequence-of-returns risk is the danger that poor returns arrive early in a withdrawal period, when each sale removes shares that cannot recover.
• Two portfolios with the same average return can end in very different places if the order of returns differs.
• The risk is small while you are adding money and largest in the years just before and after you start spending.
• Spending flexibility, a cash reserve and the asset mix are three levers that people discuss in relation to this risk.
• A written withdrawal plan, stress-tested against a bad start, is more useful than an average-return projection.

Stage 1: See why order matters

While you are saving, a market drop is less harmful, because your regular contributions buy more shares at lower prices. The arithmetic reverses when you withdraw. Selling during a decline means selling more shares to raise the same spending, and those shares are gone when prices recover.

Picture two retirees with the same starting balance, the same spending and the same set of annual returns, arranged in opposite order. The one who meets the poor years first has a smaller base when the good years come, so the recovery works on less capital. The other meets the good years first, builds a cushion, and absorbs the later losses more easily. Same average, different ending balance.

Stage 2: Identify your danger window

The risk is not spread evenly across retirement. It concentrates in the years surrounding the start of withdrawals, often called the retirement red zone, roughly five years either side of the date you stop working. A large loss in this window is hard to repair because the portfolio is at its largest and the remaining time to recover is at its shortest.

Mark your own window on a calendar. If it is far away, you have time to build flexibility. If it is close, the choices that follow become more urgent, and they are worth examining carefully rather than leaving to the market.

Stage 3: Decide how you will fund spending

The portfolio does not have to be the first source of cash during a downturn. Some retirees hold a reserve of safer assets, such as cash or short-term bonds, sized to cover a set number of years of spending. In a poor market they draw from the reserve rather than selling growth assets.

The reserve has a cost: money held in safer assets usually earns less over the long run. That is the trade-off against selling growth assets in a downturn. How large the reserve should be depends on your spending, other income, and how much variation you can tolerate, and it is a question worth raising with a qualified professional.

Stage 4: Build in spending flexibility

One adjustment is also the simplest: spending somewhat less after a bad year. Temporary reductions in withdrawals during a downturn mean fewer shares are sold, which leaves more shares in place when prices recover.

It helps to separate spending into essential costs, such as housing, insurance and food, and discretionary costs, such as travel and gifts. If other steady income, such as a pension or Social Security, covers the essentials, the portfolio only has to fund the rest, and that part can flex. The more of your spending that can bend, the less a poor sequence matters.

Stage 5: Stress-test the plan

Average-return projections hide this risk, because they assume smooth results every year. Test the plan instead with a bad start: ask what happens if the first three years of retirement bring losses, followed by ordinary returns.

If the plan fails under a bad start, you have learned something at a point when you can still act, whether by saving more, delaying retirement, trimming planned spending, or building a larger reserve.

Stage 6: Review on a schedule

A plan written once and filed is not much protection. Review it at a fixed interval, perhaps once or twice a year, and after any large change in the markets or your own life. Check that your spending still matches your plan, that the reserve is the size you intended, and that your asset mix has not drifted far from what you wrote down. Working with a qualified advisor and self-directing are both legitimate approaches, and either benefits from a written review habit.

An illustrative walk-through

This is an illustration, not a result. Suppose an attorney is two years from retirement and sets aside a Saturday to work through the stages. She marks the five years either side of her retirement date as her danger window. She estimates essential annual costs and notes that a pension will cover most of them, leaving the portfolio to fund the rest. She decides to hold a reserve equal to a few years of portfolio-funded spending. She then runs a bad-start scenario in a planning tool, with losses in years one to three, and finds the plan still holds if she trims discretionary spending for those years. She writes down the rule she will follow, sets a calendar reminder to review it each spring, and puts the note where she can find it when the news turns bad.

Frequently Asked Questions

What is sequence-of-returns risk in simple terms? It is the risk that the order of investment returns, not just their average, determines how long your money lasts. Bad returns early in retirement hurt more than the same bad returns later, because withdrawals shrink the base that has to recover.

Does sequence-of-returns risk affect people who are still saving? Much less. While you are contributing, falling prices let you buy more shares, so a poor early stretch can even help. The risk is largest around the time you begin withdrawing.

How can I reduce sequence-of-returns risk? The usual tools are holding a reserve of safer assets to fund spending in downturns, keeping some spending flexible, and choosing an asset mix you can stay with. No tool removes the risk, so stress-testing a plan against a bad start is still worthwhile.

Is the 4% rule enough to protect against it? A fixed withdrawal rule is a starting guideline built on historical periods, not a guarantee, and it does not adapt to your circumstances. Treat it as one input and test your own plan against poor starting years.

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