Journal · Retirement Planning
Sequence-of-returns risk: why the first decade of retirement decides the next thirty.
Author: Scott Moscowitz / Wistaria Advisors
July 2026 · Free Consultation
Two retirees can earn the same average return over 20 years and end up in radically different places — one comfortable, the other running out of money — purely because of the order in which those returns arrived. That is sequence-of-returns risk, and it is the single most under-appreciated variable in retirement planning.
Why the order of returns matters more than the average
During accumulation, a market drop is largely academic — you keep contributing, shares get cheaper, and time recovers the loss. During retirement, the math inverts. Every withdrawal in a down market permanently removes shares that would otherwise have participated in the recovery. Those shares don't come back.
The result is that two portfolios earning the same 6% average annual return can diverge by more than $1 million over a 20-year retirement depending on whether the losses landed in year 2 or year 18. The average is identical. The outcome is not.
Illustrative scenarios: same portfolio, different sequences
Hypothetical outcomes for a $1M portfolio drawing $60,000 annually, adjusted for inflation. Illustrative only; not a projection.
| Market Sequence | Starting Balance | Withdrawal | Balance at Year 20 | Sequence Risk |
|---|---|---|---|---|
| Strong first decade (avg +8%) | $1,000,000 | $60,000/yr | ~$1,650,000 | Low |
| Flat first decade, strong second | $1,000,000 | $60,000/yr | ~$820,000 | Moderate |
| Down first 3 years (–15%, –8%, –6%) | $1,000,000 | $60,000/yr | ~$310,000 | Severe |
| Down first 3 years, dynamic withdrawals | $1,000,000 | $45–60,000/yr | ~$710,000 | Manageable |
The bucket structure: how to defuse sequence risk without abandoning growth
The most durable defense is structural, not tactical. Rather than trying to time markets, you segment the portfolio so that a down market never forces a sale of equities.
| Bucket | Target Size | Role |
|---|---|---|
| Cash & short-term reserves | 1–2 years of spending | Covers withdrawals during down years so equities aren't sold at a loss |
| Fixed income / bond ladder | 3–7 years of spending | Refills the cash bucket in flat or moderate years |
| Equities & growth | Remaining balance | Provides long-term real return; only tapped after buffers are exhausted |
| Guaranteed income floor (annuity / Social Security) | Covers essential expenses | Removes discretionary withdrawal pressure entirely |
Dynamic withdrawal rules
Static 4% rules are a useful starting point but a poor operating discipline. A dynamic rule — for example, freezing the inflation adjustment in any year the portfolio finishes down, or trimming spending 10–15% after a decline of more than 15% — meaningfully extends portfolio life without demanding a permanent lifestyle change. Morningstar's 2024 research shows that this single behavioral adjustment can add 5–10 years of portfolio survival in adverse sequences.
A guaranteed income floor
The cleanest way to remove sequence risk from a slice of the plan is to convert that slice into guaranteed income. Social Security is the largest such tool for most retirees, and delaying to 70 raises the guaranteed floor by roughly 8% per year of deferral. A fixed income annuity from an A-rated carrier can extend that floor further, covering essential expenses so that the remaining portfolio absorbs volatility with less consequence.
FAQs
What exactly is sequence-of-returns risk?
It's the risk that the order in which investment returns arrive — not just the average — determines whether a retirement portfolio lasts. A poor market in the first five to ten years of retirement, combined with ongoing withdrawals, permanently locks in losses that a later bull market can't fully repair.
How is it different from general market risk?
Market risk affects any investor holding equities. Sequence risk is specific to investors actively drawing down a portfolio. During accumulation, a bad year is a buying opportunity. In distribution, that same bad year forces you to sell more shares to fund the same lifestyle — and those shares never recover.
How many years matter most for sequence risk?
The first five to ten years of retirement carry the vast majority of the risk. Vanguard and Morningstar research consistently show that portfolio survival hinges on avoiding deep losses during that window; strong returns in years 15–25 cannot fully offset early losses.
Do I need to abandon equities to avoid sequence risk?
No, and doing so introduces a different problem: inflation and longevity risk. The right answer is usually a bucket structure that keeps 1–2 years of spending in cash, 3–7 years in bonds, and the balance in equities — so a down market is absorbed by the buffers rather than the growth engine.
Where does an annuity fit in?
A fixed or income annuity from an A-rated carrier converts a portion of the portfolio into a guaranteed income stream that isn't exposed to market timing at all. Covering essential expenses with guaranteed income effectively removes those dollars from sequence risk exposure and lets the remaining portfolio absorb volatility with less consequence.
How does this interact with the withdrawal hierarchy?
The withdrawal hierarchy tells you which account to draw from for tax efficiency. Sequence-risk planning tells you which asset inside those accounts to sell in a given year. In a down year, you draw cash and bonds even if the tax hierarchy says otherwise, then rebalance in the following recovery.
Key takeaways
- Two retirees with the same average return can end with dramatically different balances 20 years in — the order of returns matters as much as the average.
- The first 5–10 years of retirement carry the majority of sequence-of-returns risk. Losses in that window are the hardest to recover from.
- A bucket structure — cash, bonds, equities, and a guaranteed income floor — is the most reliable defense, because it lets you avoid selling equities in a down market.
- Dynamic withdrawal rules (e.g., trimming spending 10–15% after a down year) meaningfully extend portfolio life without requiring drastic lifestyle change.
- Coordinating sequence-risk planning with your withdrawal hierarchy and estate plan — rather than treating them as separate exercises — is where the compounding value shows up.