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Asset Allocation

The Bucket Approach To Retirement Money

Dividing retirement savings into short, medium and long horizon pools is a framing device that changes behavior more than it changes the underlying portfolio mathematics.

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A widely used retirement structure splits savings into separate pools by when the money will be spent. The arrangement is organizational, and its effects are mostly behavioral.

How the pools are defined

The near-term pool holds spending for the next few years in cash and short-dated instruments, sized to cover withdrawals without selling anything else.

An intermediate pool holds bonds and conservative assets meant to be drawn on over the following several years, replenishing the first pool as it empties.

The long-horizon pool holds growth assets that are not expected to be touched for a decade or more, which is what allows them to be left alone through declines.

Why the structure addresses sequence risk

Retirees face a specific hazard: withdrawing from a portfolio while it is falling locks in the decline and shrinks the base that must recover.

The near-term pool exists so that withdrawals during a downturn come from stable assets rather than from equities that have just fallen.

The protection is not magic. It works by having decided in advance where the money comes from, which is a decision that becomes much harder to make well in the middle of a decline.

The refill rule is the hard part

Every bucket system needs a stated policy for when and how the short pool is replenished, and this is where implementations differ most.

Some refill on a schedule regardless of conditions. Others refill only from whichever pool has performed well, which requires judgment and can leave the short pool thin after a long weak stretch.

Without a written rule, the structure quietly becomes discretionary, and the discipline it was meant to provide disappears.

What the arrangement does not change

Viewed as a whole, a bucketed portfolio is still a portfolio with an overall mix of cash, bonds and equities. The labels do not alter that total exposure.

An investor could hold the identical mix in one account and behave differently only because it is not partitioned. The partitioning is the intervention.

Holding several years of spending in cash also carries its own cost, since that money is not participating in longer-term growth and is exposed to inflation.

Where the framing genuinely helps

Mental accounting is usually described as a bias, but here it is put to deliberate use. Money with a job attached is less likely to be moved in a panic.

The structure also makes a plan explainable, which matters when decisions are shared with a spouse or handled later by someone else.

How much belongs in each pool depends on spending needs, other income sources and personal circumstances, which is territory for a qualified financial professional.

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Anton Brekke
Editor, Finance Spyder

Anton managed multi-asset portfolios for eleven years and has become steadily less interested in forecasts over that period.

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