Sequence of returns risk is the danger that poor investment returns arrive early in retirement, while you are withdrawing income, permanently shrinking how long a portfolio can last. The order in which returns arrive, not the long-run average, drives the outcome once withdrawals begin. This guide explains the mechanism, shows a two-retiree example, identifies who is most exposed, and lists strategies to reduce the risk before and during retirement.
Once you start drawing income, two retirees can earn the identical average return over 30 years yet end with very different balances, because the one who meets a bear market first must sell more shares at low prices to fund the same spending. The highest-risk window is roughly the five years before and the first five to ten years after your retirement date, often called the fragile decade.
What is sequence of returns risk?
Sequence of returns risk is the chance that a run of negative returns lands early in retirement, when withdrawals are already underway, and permanently reduces a portfolio’s staying power. During the accumulation years the order of returns barely matters. Once you sell shares each year to cover living expenses, a downturn forces you to liquidate more shares at depressed prices, leaving fewer to recover when markets rebound.
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Most retirement math focuses on the average return a portfolio earns over decades. For a retiree taking withdrawals, that average hides the real hazard. The order of returns matters because you are selling assets in every market, including bad ones. When you sell into a decline, each dollar of spending consumes a larger slice of the portfolio, so fewer shares remain to benefit from the eventual recovery.
Advisors sometimes call this locking in losses. A 20% drop in year one of retirement does more lasting damage than the same 20% drop ten years later, because the early loss compounds against a still-large balance while withdrawals continue. The larger the portfolio and the earlier the loss, the bigger the dollar impact: a 20% decline on a $1,000,000 balance removes $200,000, versus $80,000 on a $400,000 balance later in retirement.
A two-retiree example: same average, opposite order
The clearest way to see sequence of returns risk is to give two retirees the identical average annual return over 30 years but in opposite order. Both start with the same balance and take the same inflation-adjusted withdrawal. The retiree who meets strong markets first tends to sustain income for life, while the retiree who meets losses first can run out of money years earlier, despite the matching average.
Consider two hypothetical retirees, each starting with $1,000,000 and each withdrawing $50,000 in year one (a 5% rate), rising with inflation. Retiree A earns strong returns in the first several years and weak returns later. Retiree B earns the same set of annual returns in reverse. Their 30-year average return is identical. Their results are not.
| Factor | Retiree A (strong returns first) | Retiree B (losses first) |
|---|---|---|
| Starting balance | $1,000,000 | $1,000,000 |
| Year 1 withdrawal (5%) | $50,000, then inflation-adjusted | $50,000, then inflation-adjusted |
| First five years | Gains, portfolio grows while withdrawing | Steep losses while withdrawing |
| 30-year average return | Identical to Retiree B | Identical to Retiree A |
| Shares sold during early downturn | Fewer, at higher prices | More, at depressed prices |
| Typical illustrative outcome | Income sustained across the horizon | Portfolio can deplete years earlier |
The figures above are a simplified illustration, not a projection of any actual account. The point is structural: identical growth delivered in a different order produces very different results once withdrawals begin. This is also why flat safe-withdrawal-rate guidance has grown more nuanced, a topic covered in the next section.
How much can you safely withdraw in 2026?
The original 4% rule from William Bengen in 1994 was built on worst-case historical sequences, so it already accounts for a bad early market. Newer research diverges: Bengen raised his own figure to 4.7% in his 2025 book using a broader asset mix, while forward-looking studies from Morningstar and Wade Pfau land lower. All of them share one premise, that the sequence of returns matters more than the average.
Because sequence risk sits at the center of the withdrawal-rate debate, the starting rate you choose is really a judgment about how much early-downturn cushion you want. Higher starting rates assume favorable sequences; lower rates buy protection against an early bear market. The table below shows how current sources compare.
| Source and year | Starting withdrawal rate | Basis |
|---|---|---|
| Bengen, original study (1994) | 4.0% | Worst historical US stock and bond sequences |
| Bengen, A Richer Retirement (2025) | 4.7% | Broader diversified asset mix, historical data |
| Morningstar (2024) | ~3.7% | Forward-looking return and inflation forecasts |
| Wade Pfau (2025) | 3.3% to 3.5% | Forward-looking, lower assumed real returns |
The disagreement is mostly methodological: backward-looking history versus forward-looking forecasts. Whichever number you favor, the withdrawal rate is only meaningful alongside your spending flexibility and how much of your baseline budget is covered by guaranteed income.
Who is most exposed, and what is the fragile decade?
Sequence of returns risk is highest for people actively drawing down a portfolio near their retirement date. Researchers call the roughly five years before and the first five to ten years after retirement the fragile decade, because returns in that window shape most of the plan’s outcome. Retirees relying on portfolio withdrawals for all spending, and those with large pre-tax IRA balances, carry the most exposure.
Not every investor faces the same danger. Someone still contributing and decades from retirement is largely insulated, because an early loss can fully recover when no shares are being sold. Exposure rises sharply as withdrawals begin and as guaranteed income covers a smaller share of the budget. The table below ranks common situations.
| Situation | Exposure to sequence risk | Why |
|---|---|---|
| Accumulator, no withdrawals | Low | No shares sold, early losses can recover in full |
| Pre-retiree within five years | High | A large loss can force a later retirement or lower spending |
| New retiree, high withdrawal rate | Very high | A 5% to 6% draw leaves little cushion for an early recession |
| Retiree with a guaranteed income floor | Lower | Social Security or a pension covers essentials, reducing forced selling |
| Retiree with large pre-tax IRA | Higher, and prolonged | Required minimum distributions force selling in down markets |
The last row matters because required minimum distributions ignore market conditions. Under SECURE 2.0, RMDs begin at age 73 for those born from 1951 to 1959 and at age 75 for those born in 1960 or later, with the first age-75 distributions arriving in 2035. A retiree forced to take a large RMD during a downturn is selling at a loss on the government’s schedule, not their own. Our overview of required minimum distributions for 2026 explains the current ages and timing in detail.
How to mitigate sequence of returns risk
No strategy removes market risk, but several can soften the damage an early bear market does to a retirement portfolio. The common thread is reducing how many shares you must sell into a decline: hold a cash reserve, flex your spending, cover essentials with guaranteed income, shape your asset allocation, and control the timing of taxable distributions. Most retirement plans combine several of these rather than relying on one.
The approaches below appear across the research from Bengen, Kitces, Pfau, and major institutions. Many retirees layer them together, and the right mix depends on your spending flexibility, guaranteed income, and account types.
- Cash buffer or reserve: Many retirees hold one to three years of living expenses in cash or short-term bonds, separate from growth assets. This reservoir can fund spending during a downturn without selling equities at depressed prices, and it is refilled once markets recover.
- Three-bucket strategy: Splitting assets into a near-term cash bucket, an intermediate bond bucket, and a long-term growth bucket lets you draw from the stable buckets first so equities have time to recover.
- Flexible, dynamic withdrawals: Some retirees adjust spending when markets move. Guyton-Klinger guardrails, for example, trim withdrawals after a large decline and allow raises after strong years. Michael Kitces’ research finds that even modest spending flexibility can improve portfolio survival in adverse sequences.
- Guaranteed income floor: Covering essential expenses with Social Security, a pension, or an annuity means fewer of your fixed costs depend on portfolio withdrawals. The less you must sell each month, the less an early downturn can compound against you.
- Bond tent or rising-equity glidepath: Wade Pfau’s research suggests holding more bonds at the start of retirement and gradually raising equity exposure later, a U-shaped path that can outperform both static and stocks-decreasing allocations, because the fragile decade is the window that most needs protection.
- Delay Social Security: Each year you wait past full retirement age, up to age 70, adds about 8% to your benefit through delayed retirement credits. A larger guaranteed check reduces reliance on portfolio withdrawals.
- Work longer or phase into retirement: Each additional year of earnings shortens the drawdown horizon and gives investments more time to recover from any pre-retirement decline.
Roth conversions as a hedge for the fragile decade
A Roth conversion is an often-overlooked hedge against early-market losses in retirement. Converting pre-tax IRA or 401(k) dollars to a Roth builds a tax-free reservoir you choose when to tap, and it shrinks the traditional-IRA balance that later drives required minimum distributions. Both effects reduce how many shares you are forced to sell in a downturn, which is the core mechanism behind sequence risk.
Roth assets carry no required minimum distributions during the original owner’s lifetime, so in a down market you can leave the Roth untouched, spend from cash or bonds, and let the Roth balance recover on your timeline. That flexibility is the point: it converts an inflexible, RMD-driven withdrawal problem into an owner-controlled income strategy. Multi-year Roth conversion planning is often particularly relevant for those with large pre-tax IRAs, and deciding how much to convert is where the tax detail lives.
A market decline can also make a conversion more tax-efficient on its own terms. Converting a fixed dollar amount at lower prices moves more shares into tax-free status for the same tax cost, so any recovery then happens inside the Roth. A conversion is uncapped, counts as ordinary income in the year you make it, is irreversible, and must be completed by December 31, and you cannot convert an RMD. Those tradeoffs mean the strategy needs coordination with your bracket, the 3.8% net investment income tax, and IRMAA. See our notes on the 2026 conversion deadline and the net investment income tax for 2026.
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Frequently asked questions
What is sequence of returns risk?
Sequence of returns risk is the danger that negative returns arrive early in retirement, while you are withdrawing income, and permanently reduce how long the portfolio lasts. Because you sell shares to fund spending, a downturn forces you to liquidate more shares at low prices, leaving fewer to recover. Two retirees with the identical average return can end very differently based on the order of those returns.
How do you avoid sequence of returns risk?
You cannot remove market risk, but you can reduce forced selling into a downturn. Common steps include holding one to three years of expenses in a cash reserve, using flexible withdrawals such as Guyton-Klinger guardrails, covering essentials with guaranteed income, adopting a bond tent or rising-equity glidepath, delaying Social Security, and using Roth conversions to lower future required minimum distributions. Many retirees combine several of these.
Is sequence of returns risk the same as market risk?
No. Market risk is the general possibility of investment losses and applies to everyone who owns risky assets. Sequence of returns risk is a specific form that affects people taking ongoing withdrawals. An accumulator who is not selling shares can fully recover from an early loss, so sequence risk barely touches them. It is the combination of withdrawals and poorly timed losses that creates the lasting damage.
At what age is sequence of returns risk highest?
Sequence of returns risk peaks around your retirement date, across roughly the five years before and the first five to ten years after you stop working. Returns during this fragile decade shape most of the plan’s outcome, because the portfolio is near its largest and withdrawals have begun. Required minimum distributions, starting at age 73 or 75 under SECURE 2.0, can extend the exposure later in retirement.
Does delaying retirement reduce sequence of returns risk?
Yes, in several ways. Each additional year of work shortens the number of years the portfolio must fund withdrawals, which improves survival odds. Working longer lets you keep contributing and delay drawing down assets, giving investments more time to recover from any pre-retirement decline. It can also let you postpone Social Security, raising your guaranteed benefit by about 8% for each year of delay up to age 70.
How do you calculate sequence of returns risk?
You stress-test your plan against poor historical sequences, including retirements starting in 1966, 2000, and 2008, and against thousands of simulated future paths. Retirement software models your specific withdrawal rate, asset allocation, and guaranteed income to produce a probability of success over your horizon. Many planners target an 80% to 95% success rate, with the appropriate level depending on your spending flexibility and other income.
What is the fragile decade in retirement?
The fragile decade is the roughly ten-year window spanning the five years before retirement and the first five to ten years after. Returns during this stretch have an outsized effect on whether income lasts, because the balance is near its peak and withdrawals have started or are about to. Losses here are far harder to recover than the same losses later, which is why mitigation efforts concentrate on this period.
