WhitmanTrading

Bucket Strategy: Money Split by When

A bucket strategy divides retirement savings by when the money will be spent: near-term needs in cash and short bonds, medium-term in income assets, long-term in equities. The point is that a market fall never forces a sale from the long bucket.

How it works

Savings are divided by time horizon rather than by category. Not “how much in shares” but “what will I spend in the next two years, the next ten, and after that” — and each answer gets its own pot.

The near bucket holds spending money. Cash and short-dated bonds, sized to cover a stated number of years of expenses, chosen because the value has to be there on a date rather than because it will grow.

The middle bucket bridges. Income-producing and mixed holdings that can tolerate some fluctuation because they will not be spent for several years, and which refill the near bucket over time.

The far bucket is where growth lives. Equities, held for a horizon long enough that the fluctuation is irrelevant — and the whole structure exists to make that sentence true rather than aspirational.

Why it works, and what it actually is

Selling into a decline to fund spending is the failure it prevents. A retiree drawing income from a falling portfolio locks in losses at the worst possible moment. The near bucket removes the necessity.

The refill rule is where the method is usually left vague. Topping up annually regardless is simple and sometimes sells into weakness. Topping up only after good years is better and requires a definition of “good” written down in advance. Whichever you choose, choosing it beforehand is the part that matters.

Arithmetically it is an allocation with names on the compartments. A 20/30/50 split across three buckets is a 20/30/50 portfolio. The honest description is that this is a behavioral device, and that is not a criticism — a plan you can hold through a bad decade beats a better plan you abandon.

In practice

The safety has a price, and it is worth naming. Cash held for years earns less than the long bucket would have, and that shortfall is the premium paid for never being forced to sell.

Nothing here reads a chart. No volume, no indicator, no timing — the decisions are about horizon and spending.

The design horizon is decades. Which is also why the fee on whatever holds the far bucket compounds so heavily against the result.

A severe fall is the scenario it was built for, not a failure of it. The near bucket funds spending while the far one recovers, which is the whole mechanism working as intended.

No stop appears anywhere. The control is how much is withdrawn and from which pot, which is a spending decision rather than a market one.

Refilling is trading, and trading costs. Every sale and purchase pays a spread and any commission, plus any tax on the disposal — which argues for refilling infrequently.

Writing the rules before you need them

Three numbers make this a plan rather than a description. How many years of spending sit in the near bucket. What condition triggers a refill. And what you will do if the far bucket has fallen and the near one is nearly empty at the same time.

That third question is the one nobody writes down, and it is the situation the whole structure exists to handle. The honest answers are to spend less for a period, to draw from the middle bucket, or to accept selling some of the long one — and deciding which, in advance, is the difference between a system and a hope. A rule written during a fall is not a rule.

Flow diagram of the three numbers that make a bucket strategy a plan: years in the near bucket, the refill trigger, and what to do when both are low.
A diagram of the three rules this page says to write down before a fall, ending with the one nobody writes.

What a bucket strategy is not

It is not a different portfolio. It is the same mix, labeled.

It is not protection from loss. The far bucket still falls.

It is not automatic. The refill rule is yours to set.

And it is not free. Holding cash costs return.

How this connects

The near bucket is usually built from treasury bills or a money market fund, chosen because their value on a known date is close to certain rather than because they grow.

It is one answer to the withdrawal strategy question, not a replacement for it. The safe withdrawal rate decides how much comes out each year; the buckets decide which pot it comes out of.

The middle bucket is where dividend investing tends to fit, because the income can top up the near bucket without selling anything at a bad moment.

A target-date fund solves a related problem differently. It moves from equities towards bonds along a glide path set by the retirement year, while buckets are set by planned spending.

Other income shrinks the near bucket. Social security or an annuity that covers part of the spending reduces how many years of cash the near pot has to hold.

The size of the far bucket is set by risk tolerance as much as by arithmetic, since it has to be a portion that can fall heavily and still be left alone.

And the near bucket is not an emergency fund. Money for surprises sits outside the plan, because the near bucket is already spoken for by known spending.

When it fails

In a long flat period the insurance is paid and never claimed. The cash earns little, the far bucket goes nowhere, and the structure costs return without the crash it was protecting against ever arriving.

The second failure is a near bucket sized too small. Two years of spending does not cover a decline that takes four to recover.

A third is having no refill rule. The decision then gets made under pressure, badly.

A fourth is treating the buckets as unconnected. They are one portfolio and the total allocation is what determines the outcome.

A fifth is ignoring inflation in the near bucket. Cash held for years loses purchasing power steadily.

And a sixth is rebalancing between buckets too often. Each move costs, and the point was to leave the far one alone.

The original data

The S&P 500 from 1950 to 2026 shows what the near bucket is for. The index closed below its prior record on 93% of trading days, and its longest spell under a record lasted 1,897 trading days, from January 1973 to July 1980. The worst fall, 56.8% between October 2007 and March 2009, was not fully recovered until March 2013.

The question: Shares are down and the cash bucket is low. Refill?

That 93% figure is the argument for the whole approach, stated as a measurement. Being below a recent high is not an emergency; it is the ordinary condition of holding anything, occupying almost every trading day. A structure that requires you to sell only when above a peak would almost never let you sell.

And the 1973 episode says where the difficulty actually lies. Its pain came from persistence as much as depth — a decline that will not end, which is precisely what exhausts a near bucket. The answer to that final question is to spend from the middle bucket and cut withdrawals before selling the far one — and that ordering should already be written down, because deciding it now is deciding it at the worst moment.

Retirement accounts is where most of this money actually sits and what the tax treatment does. Portfolio building is the same set of decisions expressed as an allocation. And drawdown is the measurement the near bucket exists to survive.

The practical check

This is a psychological device dressed as an allocation, and it does not pretend otherwise once you look at it. The arithmetic is no different from holding the same mix and rebalancing. The difference is that when markets fall you can point at a pot of cash with a date on it and know you are not forced to sell anything, and that can matter more than the arithmetic does.

— Michael Whitman

This page is educational, not financial advice. Test every idea on your own charts before risking money.