Retirement Bucket Approach
Match each spending horizon with cash, bonds, and diversified equities
- Difficulty
- Moderate
- Time to result
- ~weeks to results
- Steps
- 5
- Confidence
- 97%
The Retirement Bucket Approach organizes a total-return portfolio by the time at which assets may be needed. The first bucket holds approximately two years of planned withdrawals in pure, nonvolatile cash, such as a money-market fund or high-yield savings account. The second holds roughly five to eight additional years of withdrawals in fixed income, with risk stair-stepped from very short-term to intermediate-term bonds. The remaining assets form a globally diversified equity bucket intended for long-term growth. During an equity downturn, the retiree can draw from cash rather than sell depressed stocks, while the bond allocation provides a longer bridge. Beyond its financial mechanism, the structure makes asset allocation tangible, helping retirees tolerate volatility because they can see that immediate spending is protected.
Origin
Christine Benz credited financial planner Harold Dvinski's practice of bolting a cash bucket onto a total-return portfolio and described becoming an evangelist for the approach on Masters in Business.
Core principles
- 01Near-term withdrawals should not depend on volatile assets.
- 02Cash is a zero-volatility spending reserve rather than a return engine.
- 03Bonds bridge the period between immediate spending and long-term growth.
- 04Globally diversified equities support distant spending needs.
- 05Visible time horizons make portfolio risk easier to understand and tolerate.
How to run it
- 1
Calculate Portfolio Withdrawals
Estimate how much annual spending must come from investments after accounting for Social Security, pensions, annuities, and other income. Use that figure to size each bucket.
Pro tip Model both essential and discretionary withdrawals under several inflation scenarios.
Watch out Do not size buckets from total spending when much of that spending is already covered by outside income.
- 2
Fund the Cash Bucket
Place approximately two years of portfolio withdrawals in instruments with no expected principal volatility. Suitable holdings include money-market funds and high-yield savings accounts.
Pro tip Choose a federal or municipal money-market fund based on tax circumstances and suitability.
Watch out Do not substitute short-term bonds for cash if even small losses would threaten near-term spending.
- 3
Build the Bond Bridge
Allocate another five to eight years of withdrawals to fixed-income assets. Progress from very short-term bonds toward intermediate-term bonds as the spending horizon lengthens.
Pro tip Consider municipal bonds when withdrawals come from taxable accounts and the tax benefit is material.
Watch out Avoid reaching for credit or duration risk that defeats the stabilizing purpose of the bucket.
- 4
Invest for Long-Term Growth
Place the remaining long-horizon assets in a globally diversified equity portfolio. Accept short-term volatility because nearer spending needs are held elsewhere.
Pro tip Maintain broad diversification rather than relying on one country, sector, or dividend style.
Watch out Do not treat the equity bucket as money available for immediate spending during a downturn.
- 5
Draw and Refill
Use cash for scheduled withdrawals, then replenish and rebalance according to market conditions and the retirement plan. Let appreciated long-term assets help refill nearer-term buckets when appropriate.
Pro tip Set a recurring annual review rather than reacting to daily market movement.
Watch out Buckets that are never replenished eventually stop providing downside protection.
In the wild
A retiree needs £30,000 annually from investments. The plan holds £60,000 in a money-market fund, £150,000 to £240,000 across short- and intermediate-term bonds, and the remaining assets in globally diversified equities. When stocks decline, scheduled withdrawals come from the cash reserve rather than equity sales.
→ The retiree can preserve spending and give the equity allocation time to recover.
Common mistakes
Taking Risk in the Cash Bucket
Using securities that can lose value undermines the bucket intended to protect immediate spending.
Sizing Buckets Without an Income Plan
The strategy should be based on withdrawals actually required from the portfolio, not an arbitrary cash amount.
Neglecting Replenishment
Drawing down cash without a defined refill and rebalancing process gradually destroys the structure.
Is it for you?
Best for
It is best for retirees who need regular portfolio withdrawals and want an understandable link between spending horizons and asset allocation.
Not ideal for
It is less suitable for retirees whose guaranteed income already covers all spending or who will not maintain and rebalance separate time-horizon allocations.
From the transcript
“I've become a huge evangelist for the bucket approach to retirement portfolio planning.”
“having that cash ear marked for down markets really gave his clients a ton of peace of mind with the long term portfolio.”
“very liquid reserves, maybe amounting to a couple of years worth of portfolio withdrawals, then maybe fixed income assets accounting for another five to eight…”
From the episode
At The Money: Planning Your Retirement?