Sequence of Returns Risk: Why the First Five Years of Retirement Matter Most

When most people think about retirement income risk, they think about running out of money because of poor investment returns over the long haul. But one of the most dangerous threats to a retirement portfolio is not the average return you earn over thirty years. It is the order in which those returns arrive.

This concept, known as sequence of returns risk, can make or break a retirement plan even when the long-term average looks perfectly fine on paper. And it is especially dangerous because it concentrates its impact during the first five to ten years after you stop working.

What Is Sequence of Returns Risk?

If you are still accumulating savings and not withdrawing from your portfolio, the order of your returns does not matter. A 20% loss followed by a 20% gain produces the same end result as a 20% gain followed by a 20% loss. You are a net buyer, so downturns can even work in your favor if you are contributing regularly.

Once you retire and start withdrawing money, that math flips. Now you are a net seller. You are pulling money out of the portfolio regardless of what the market is doing. If a sharp downturn hits in the first few years of retirement, you are forced to sell more shares at lower prices to generate the same dollar amount of income. Those shares are gone permanently. Even if the market recovers fully afterward, your portfolio may never catch up because the recovery is working on a smaller base.

That is the core of sequence of returns risk: the same average return over thirty years can produce very different outcomes depending on when the bad years fall. Early bad years are far more damaging than late ones.

Why the First Five Years Are the Danger Zone

The arithmetic is unforgiving. Consider two retirees, each starting with a $1 million portfolio and withdrawing $50,000 per year. Both experience the exact same set of annual returns over thirty years, just in reverse order.

Retiree A gets strong returns first, then a market crash in year fifteen. By then, the portfolio has grown enough to absorb the hit. Retiree B gets the market crash in year one, then strong returns after. Even though the average annual return is identical, Retiree B's portfolio may run out of money years earlier because those early withdrawals at depressed prices permanently reduced the asset base.

This is why financial planners pay special attention to the first five years of retirement. They are the window in which a bad sequence can create damage that no later recovery can fix.

How to Reduce the Risk

There is no single solution that eliminates sequence of returns risk, but a combination of strategies can significantly reduce its impact on your retirement.

Build a Cash or Bond Buffer

One approach is to hold a reserve of cash and short-term bonds equal to one to three years of living expenses. When the market is down, you draw from this buffer instead of selling equity holdings at depressed prices. The buffer gives your growth investments time to recover before you need to tap them again.

The tradeoff is that cash and short bonds earn lower returns than equities, so this approach puts a drag on long-term growth. The point is not to maximize returns. It is to create a cushion that lets you survive a bad early sequence without permanent damage.

Use a Dynamic Withdrawal Strategy

The traditional 4% rule assumes you withdraw a fixed inflation-adjusted amount every year regardless of market conditions. A more resilient approach is a dynamic withdrawal strategy, where you adjust your spending based on portfolio performance. In a year when markets are down, you reduce your withdrawal. In a strong year, you take a bit more.

Even modest reductions in spending during downturns can significantly extend the life of a portfolio. Research from retirement income specialists suggests that cutting withdrawals by 10% during a market decline can preserve enough principal to make the portfolio last several more years.

Delay Social Security to Create a Floor

Every year you delay claiming Social Security beyond your full retirement age, up to age 70, your monthly benefit increases by roughly 8%. That secure, inflation-adjusted income stream reduces the amount you need to pull from your portfolio. The larger your income floor, the less your portfolio is exposed to market timing risk.

For married couples, coordinating spousal claiming strategy can further maximize the income base and reduce reliance on investment withdrawals.

Maintain Equity Exposure for Growth

It can be tempting to move everything to cash after learning about sequence risk. That is an overreaction. A retirement that lasts thirty years still needs growth to outpace inflation. The goal is not to eliminate equities but to manage their volatility so you are not forced to sell them at the worst possible time.

A well-constructed retirement portfolio typically includes a mix of growth assets, income-generating assets, and short-term reserves, with the mix shifting based on market conditions and your time horizon.

The Takeaway

Sequence of returns risk is not a niche problem. It is one of the most significant threats to retirement income security, and almost every retiree who relies on portfolio withdrawals is exposed to it. The good news is that the strategies to manage it are well understood and can be put in place before or early in retirement.

If you are within five years of retiring or have recently retired, this is the time to stress-test your withdrawal plan. A few adjustments now can be the difference between a portfolio that survives a bad early sequence and one that does not.

Ready to review your retirement income strategy? Schedule a consultation with our team, or get started on your own using our estate planning tool.