Why you need to know about dollar-cost averaging—Sharesies New Zealand
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Why you need to know about dollar-cost averaging

Investing basics

Economist   Zoe Wallis explains what dollar-cost averaging is, and the benefits of investing this way over the long term.

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    Zoe Wallis


23 November 2017

2 min read

Why you need to know about dollar-cost averaging

Getting a ‘good price’

How do you know when shares are expensive or cheap? Often it’s really hard to tell until after the fact. And even the pros can end up getting their timing wrong. This is where dollar cost averaging comes in.

Dollar-cost averaging is when you choose to invest a certain amount on a particular investment regularly, regardless of what the price is. This means when prices are high you will end up with fewer shares, but when prices are low you will end up with more.

This is an investment technique that aims to average out the amount you spend on shares over time, rather than catching the market at a specific high or low point.

For example

Say I'm interested in buying some shares in a company. They might cost me $2.40 per share today, $2.50 next month, and $2.20 the month after that. If I invested $100 each month I'd have 127.12 shares with an average price of $2.36 per share.

If I purchase all $300 worth at today's price of $2.40, then I would only have 125 shares.

While that doesn’t sound like that much, if we extrapolate that out over bigger amounts and over your whole investing life, it can add up quite quickly. Not to mention the added stress of wondering whether you’ve just bought everything at the very top of the market (or sold everything at the bottom)!

Smooth ride

Averaging-in can be a really handy way to avoid the ups and downs of financial markets. Auto-investing through Sharesies is a really simple way to put dollar-cost averaging into practice.

This means you can make regular purchases of small amounts whenever you like and start getting some runs on the board, rather than having to save up until you have larger amounts to invest.

Ok, now for the legal bit

Investing involves risk. You aren’t guaranteed to make money, and you might lose the money you start with. We don’t provide personalised advice or recommendations. Any information we provide is general only and current at the time written. You should consider seeking independent legal, financial, taxation or other advice when considering whether an investment is appropriate for your objectives, financial situation or needs.

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