Money Lesson Single

All at once, or monthly?

A plan manager of 38 inherits £100,000 and cannot decide whether to invest it on Monday or a twelfth of it a month for a year. What does the cautious answer cost, and what does it buy?

Appreciating Asset Earned Income Capital Gains Retirement Planning
Employment Expenses Savings Account Investments
All at once
2 Goals · 1 What-If

The whole inheritance goes into the market on day one.

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Employment Expenses Savings Account Investments
Monthly over a year
2 Goals · 1 What-If

The same money goes in over twelve equal months, with the rest waiting in the savings account.

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All at once compared with Monthly over a year

Spreading it over twelve months only came out ahead because the market fell for two years, starting the month after the money went in. Without that fall, all at once would have won; with it, waiting was worth ~£14.5k by the end.

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