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Retirement Drawdown Stress Test | Sequence Risk

See how long your retirement portfolio could last under a first-year market shock, and whether your cash bucket covers you through it.

Quick answer: Stress-test how long a retirement portfolio may last under withdrawals, inflation, expected returns, a first-year market shock, and a cash-bucket buffer. Enter Portfolio balance, first-year withdrawal, return, and inflation to personalize the estimate. It returns Starting withdrawal rate, stress withdrawal rate, and cash bucket gap so you can compare the impact before choosing a next step. Use it to compare long-term value, tax impact, risk, time horizon, and contribution choices.

SWReviewed by SwitchWize Research Desk · Last reviewed July 2, 2026
Starting Withdrawal Rate
5.00%
Starting Withdrawal Rate
5.00%
Real Return
2.50%
First Monthly Paycheck
$3,750
Year-10 Inflation-Adjusted Withdrawal
$56,199
Simple Runway Years
20.0 years
Stress Balance After Year 1
$675,000
Year-2 Withdrawal After Inflation
$46,125
Year-2 Stress Withdrawal Rate
6.83%
Cash Bucket Target
$90,000
Cash Bucket Gap
$15,000
Simple Runway Gap
-10.0 years
Diagnostic

Your starting withdrawal rate is 5.00%, and the year-2 stress withdrawal rate is 6.83% after a first-year market shock.

Cash bucket gap is $15,000; use this before automating withdrawals or selling investments in a down market.

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Share this result

My retirement drawdown stress test: starting withdrawal rate 5.00%, stress withdrawal rate 6.83%, and cash bucket gap $15,000.

Retirement drawdown stress testDrawdown needs a guardrail
Starting withdrawal rate
5.00%
Stress withdrawal rate
6.83%
Cash bucket gap
$15,000
Year-10 withdrawal
$56,199
Next best move

Consider a smaller first-year withdrawal, larger cash bucket, or flexible spending rule before locking the plan.

Stress-year balance

After the selected market shock and first withdrawal, the stress balance is $675,000.

Runway guardrail

Simple runway is -10.0 years versus the selected horizon, with a real return assumption of 2.50%.

What to do next

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Your action plan
  1. 1

    Check stress withdrawal pressure

    Compare the starting withdrawal rate with the stress-case rate after a first-year market decline.

  2. 2

    Fill the cash bucket

    Use the cash bucket gap before relying on investment sales during weak markets.

  3. 3

    Build the drawdown plan in Money Map

    Save income, paycheck, tax, and drawdown assumptions together before automating distributions.

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This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

Calculator action path

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Build this drawdown plan in Money MapSave withdrawal rate, cash bucket, sequence-risk stress, tax, and paycheck assumptions together.
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Turn drawdown into monthly incomeTranslate the withdrawal plan into after-tax income and spending-gap guidance.
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Build the retirement paycheckConvert the drawdown amount into a monthly distribution schedule with healthcare and reserves.
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Check RMD pressureCompare voluntary drawdown assumptions with required minimum distribution exposure.
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Review retirement tax stackLayer in Roth conversions, IRMAA thresholds, and tax-window planning before changing withdrawals.
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Frequently Asked Questions

Everything you need to know.

What is sequence-of-returns risk?
It's the risk that a market decline early in retirement, combined with ongoing withdrawals, permanently damages a portfolio's ability to recover, even if the long-run average return ends up fine. Two retirees with the same average return can end up with very different outcomes depending on when the bad years hit.
How big should my retirement cash bucket be?
There's no single right number; it depends on your spending, other income, and risk tolerance, which is why this calculator compares your current cash against a target based on your own expenses and a chosen number of cash and bond-bridge years rather than applying a flat rule.
Does a market shock early in retirement really matter that much?
Yes, more than the same-sized decline later in retirement. Selling shares at a loss to fund withdrawals in the first few years locks in that loss permanently since those shares can't recover, which is exactly what this calculator's stress-case withdrawal rate is testing for.
Is the Retirement Drawdown Stress Test free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Retirement Drawdown Stress Test affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to build this in money map, or run Money Map to compare this investing & retirement decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (brokerage) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

A retirement plan that only holds up in average markets isn't a real plan. Sequence-of-returns risk, a bad market shock in the first few years of retirement, can force selling more shares at lower prices, permanently shrinking a portfolio's staying power even if long-run average returns are fine. Testing your withdrawal rate against a first-year shock, not just a smooth average, shows whether your cash bucket and bond bridge can carry you through a downturn without forced selling.

How to Use It

  1. 1Enter your portfolio balance, planned first-year withdrawal, and expected return and inflation assumptions
  2. 2Add a first-year market shock to see how the withdrawal rate changes under stress
  3. 3Enter your current cash bucket balance and expenses to check the cash bucket gap
  4. 4Compare your starting withdrawal rate to the stress-case rate to see how much cushion you actually have
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