The Investment HabitThe boring parts, done for thirty years

Risk & Allocation

Asking how much risk the goal actually requires

If a goal can be reached with less risk, taking more adds uncertainty without adding necessity. Almost nobody asks this question.

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This works through the risk a goal requires in the order the parts actually depend on each other.

The short version

  • Need for risk is a separate question from capacity and tolerance.
  • A portfolio large relative to its goal may not need much growth.
  • Reducing risk after a goal is within reach is a legitimate decision.

The forgotten third question

Risk discussions usually cover how much loss you could withstand and how much you could stomach, and stop there. The remaining question is how much risk the goal actually needs, which sometimes answers the whole problem. If a goal is achievable with a moderate allocation, additional risk adds variance to something already sufficient.

This is not an argument for caution generally; it is an argument for asking before deciding.

When the answer changes

Early on, most goals need meaningful growth and the question has an obvious answer. As a portfolio grows relative to its purpose, the required return falls and the answer can change substantially. A large inheritance, a sale of a business or simply decades of contributions can all move it.

Reviewing it annually catches the shift, which otherwise goes unnoticed for years.

Stopping when you have enough

Continuing to take risk you no longer need is a choice, and it is often made by default rather than deliberately. For some people the extra is genuinely wanted, for a larger goal or to leave something behind, and that is a legitimate reason. For others it is habit, or a reluctance to admit that accumulation can have an end.

On an ordinary week, naming which applies is what turns it into a decision.

The cost of reducing risk

Lowering risk reduces expected growth and, over long horizons, can increase exposure to inflation eroding purchasing power. It is therefore not a free action, and "de-risking" is a trade rather than a safety improvement. For very long horizons this matters more than people expect, since the safe-looking option has its own erosion.

The trade should be made against a specific goal and date rather than as a general posture.

Multiple goals, multiple answers

Different goals with different dates can justify different allocations held at the same time by the same person. Money for a purchase in three years and money for a retirement thirty years away are not the same problem. Treating them as one portfolio with one risk level is a common source of mismatched allocation.

For most people, separating them, at least on paper, makes the required risk visible for each.

If that does not fit your week, it is not a failure of willpower.

What this cannot tell you

Working out required return involves assumptions about future returns and inflation that nobody can supply reliably. Tax treatment, available account types and any state provision differ enormously by country and change the arithmetic.

This is an area where regulated advice locally has clear value, particularly close to a goal. The general point stands regardless: ask what the goal needs before deciding what to hold.

The takeaway

Ask what return the goal needs. Sometimes the answer removes the argument entirely.

Small and repeatable beats ambitious and abandoned, almost every time.

Questions readers ask

Is it wrong to keep taking risk after reaching a goal?

Not wrong, but it should be a stated choice with a stated purpose. Continuing by default means carrying uncertainty for no defined reason.

Should I reduce risk as I approach a goal?

Money needed soon generally does not belong in volatile assets. How and when to make that transition depends on your circumstances and is worth discussing with a regulated adviser.

Risk & Allocationneed for riskgoalsallocationsufficiency
Bethan Rees
Contributing writer, The Investment Habit

Bethan writes about drawdown and turning a portfolio back into an income.

Also by Bethan Rees