How Should You Prepare for a Market Decline When One Portfolio Funds Retirement?

Ross Marino |

When one portfolio supplies most of your retirement spending, a market decline can feel as though the same loss is threatening today’s bills and the years still ahead. With no second portfolio or paycheck to lean on, the urge to protect everything at once can be powerful.

Preparation cannot remove that uncertainty. It can decide, before prices fall, which spending is protected, which choices can move, and what evidence would justify changing a withdrawal. That gives you something steadier than a prediction: a process you can still use when the account balance feels alarming.

Why can an early decline matter more when withdrawals have begun?

A portfolio can recover from a loss only with the assets that remain invested. When withdrawals continue during an early decline, more shares may need to be sold to create the same amount of cash, leaving fewer assets to participate in a later recovery. This interaction between withdrawals and the order of returns is commonly called sequence-of-returns risk.[1]

That does not mean every decline requires lower spending or a different allocation. The practical question is how much essential spending depends on the portfolio before markets have time to recover. Dependable income—such as Social Security, a pension, or an annuity payment—reduces that gap. The remaining gap is the job assigned to portfolio withdrawals.

What should be in place before markets fall?

Start with a reserve that has a named purpose. Identify the recurring spending it must support, known near-term expenses, the period it is intended to cover, and the balance that triggers review. A reserve can reduce the need to sell a volatile holding on a particular day, but cash also has an opportunity cost. Its size should follow the uncovered spending job, not a rule chosen only because it feels safer.[2]

Next, separate spending by how it would behave during a difficult market. Essential does not mean perfectly fixed, and discretionary does not mean unimportant. Name the real adjustment: a trip could move six months, gifts could temporarily change, or a renovation could be staged. Housing, insurance, taxes, and care may offer much less room. Fidelity notes that market volatility near retirement should be considered alongside income, expenses, and the mix of investments supporting withdrawals.[3]

The asset allocation should also align with the portfolio’s two jobs: funding current withdrawals and supporting later spending. Time horizon, liquidity needs, and the ability and willingness to bear loss belong in that review.[4] Diversification and asset allocation cannot prevent losses, but an intentional mix can keep near-term cash needs from silently dictating how all long-term money is invested.

What should a decline change first?

Move through the response in order. Market movement opens a review; it does not choose the action.

DECLINE ARRIVES

Use assigned reserves for near-term withdrawals. Keep essential spending funded.

THEN TEST THE FACTS

Did the reserve cross its floor? Did dependable income or essential spending change? Did the portfolio move outside its approved range?

FACTS UNCHANGED

Continue the approved process and review on schedule.

FACTS CHANGED

Reassess withdrawals, spending, reserve refill, and allocation together—then set the next review point.

The useful inference is that a decline is only the first signal. The household facts determine whether the existing process continues or a coordinated decision reopens. Without that sequence, fear can turn one market event into several disconnected changes.

Dovetail Principle: Retirement Spending Needs to Feel Safe Enough

Feeling safe enough does not require knowing when markets will recover. It requires knowing how essential spending will be funded, what can be adjusted without harming your life, and which facts—not headlines—will bring the plan back for review.

How should withdrawals adapt during the decline?

Follow the pre-agreed order before improvising. Use cash or short-term resources already assigned to near-term spending. Direct interest, dividends, maturities, or other planned cash flows according to the income plan. Then compare the portfolio with its approved allocation range. Rebalancing restores an intended mix; it is not a forecast that prices have reached a bottom.[5]

If the reserve approaches its floor, decide whether adjustable spending should change before refilling it through sales. Research on retirement spending shows that actual spending can vary meaningfully, supporting plans that account for flexibility rather than assume a single smooth inflation-adjusted path.[6] Any reduction should have a scope and a review date. “Spend less until things improve” is not an operating rule because no one has defined what improves.

Account choice matters too. A taxable sale can create a gain or loss, while a retirement-account distribution may change taxable income. A withdrawal can also alter the remaining allocation. Coordinate the amount, account, investment, withholding, and any rebalancing trade rather than treating the next deposit to checking as an isolated transaction.

What should the review process decide?

Write down the review cadence and the events that can bring it forward: the reserve crossing its floor, essential spending rising, dependable income changing, a large new expense, or the allocation leaving its approved range. FINRA emphasizes disciplined management of retirement withdrawals and recognizes that spending may need to adjust after portfolio losses.[7]

At each review, answer the same questions. Is essential spending still funded? How much of the next withdrawal window remains covered without selling declined assets? Which discretionary choices are genuinely available? Does the allocation still fit the work the portfolio must do? What would cause another review?

Preparation is an agreement about how decisions will be made when a decline arrives. For a woman relying on one portfolio, that agreement should connect the reserve, income, spending choices, withdrawals, rebalancing, and next review date. The safeguard is a process sturdy enough to protect today without abandoning the years ahead.

For the next step, read How Do You Measure Portfolio Risk in Dollars of Retirement Spending? to translate market movement into the withdrawals and choices that may actually be exposed.

About the author

Ross Marino, CFP®, CeFT®, is the Founder & CEO of Dovetail Financial and creator of Human-First Financial Guidance®. He helps people nearing or living in retirement connect their lives and wealth so that financial decisions become clearer, more personal, and easier to navigate.

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Notes

  1. “What Is Sequence-of-Returns Risk?”, Charles Schwab, January 30, 2026.
  2. “Vanguard’s Principles for Retirement Income”, Vanguard, 2026.
  3. “Retiring in a Recession, Downturn, or Period of Market Volatility? Things to Consider”, Fidelity Investments.
  4. “Asset Allocation”, Investor.gov, U.S. Securities and Exchange Commission.
  5. “Rebalancing Your Portfolio: How to Rebalance”, Vanguard.
  6. “Planning for Spending Volatility in Retirement”, T. Rowe Price.
  7. “Managing Your Retirement Portfolio”, FINRA.

Disclosure

This content is provided by Dovetail Financial Group LLC (“Dovetail Financial”) for informational and educational purposes only. It is not intended as, and should not be construed as, individualized investment, tax, legal, or accounting advice; a recommendation to buy or sell any security; or a recommendation to adopt any investment strategy. Because each person’s situation is unique, readers should consult their own financial, tax, and legal professionals before taking action based on this content. Information contained herein is believed to be reliable, but its accuracy or completeness is not guaranteed. Any opinions expressed are current as of the date of publication and are subject to change without notice. All investing involves risk, including the possible loss of principal. Asset allocation and diversification do not guarantee profits or protect against losses in declining markets. Past performance is not a guarantee of future results. Dovetail Financial Group LLC is a registered investment adviser. Registration does not imply a certain level of skill or training. Additional information about Dovetail Financial Group LLC, including Form ADV Part 2A and Form CRS, is available at adviserinfo.sec.gov. © 2026 Dovetail Financial Group LLC. All rights reserved.