What Does Return Mean – and How Do You Measure Your Investment Success?
What Does Return Mean – and How Do You Measure Your Investment Success?
When you invest your money, it’s natural to ask: “How well are my investments actually doing?” The answer lies in the concept of return. Return tells you how much you’ve earned – or lost – on an investment over a given period. But understanding return isn’t just about numbers. It’s also about assessing whether you’re being rewarded appropriately for the risk you’re taking, and whether your investments are moving you closer to your financial goals.
Here’s a guide to what return means, how to calculate it, and how to use it to measure your investment success.
What Is Return?
Return is the overall result of an investment – the difference between what you put in and what you get back. It can come from two main sources:
- Capital gains or losses – when the value of your investment rises or falls.
- Ongoing income – such as dividends from shares or interest from bonds or term deposits.
For example, if you invest NZ$10,000 in shares and after a year they’re worth NZ$11,000, your return is NZ$1,000 – or 10%.
Remember, return can be positive or negative. A drop in value means a negative return, and that’s a normal part of investing.
How to Calculate Your Return
The simplest way to calculate return is with this formula:
Return (%) = (End Value – Start Value) / Start Value × 100
Example: You invest NZ$20,000 in a managed fund. After one year, it’s worth NZ$21,200. Your return is: (21,200 – 20,000) / 20,000 × 100 = 6%.
If you’ve received dividends or interest along the way, add those to the end value to get your total return.
For longer periods, you can also calculate the average annual return, which shows how much your investment has grown per year on average. This makes it easier to compare different investments.
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Nominal vs Real Return – The Key Difference
When looking at returns, it’s important to distinguish between nominal and real return.
- Nominal return is the actual return you see on paper.
- Real return adjusts for inflation – showing how much your money has truly increased in purchasing power.
If inflation is 4% and your nominal return is 6%, your real return is only about 2%. That means your money’s buying power has grown only slightly, even though the numbers look good.
In New Zealand, where inflation can fluctuate from year to year, it’s worth comparing your returns to the inflation rate published by Stats NZ to see whether you’re genuinely getting ahead.
Risk and Return Go Hand in Hand
A high return always sounds appealing, but it rarely comes without risk. Generally, the higher the potential return, the greater the ups and downs you’ll need to tolerate.
Shares can deliver strong returns over time, but they can also fall sharply in the short term. Bonds and term deposits usually offer lower but more stable returns.
When assessing your investment success, don’t just look at the percentage gain – consider how much risk you took to achieve it. A steady portfolio with moderate returns can be a bigger success than a volatile one that swings wildly.
Compare with a Relevant Benchmark
To know whether your return is good, you need something to compare it with – a benchmark.
If you invest in New Zealand shares, you might compare your return with the performance of a broad market index such as the NZX 50. If your portfolio outperforms the index, you’ve beaten the market. If it lags behind, it might be time to review your strategy.
A benchmark helps you see whether you’re getting enough reward for the risk you’re taking and whether your investment approach is working as intended.
Think Long Term – Don’t Get Distracted by Short-Term Fluctuations
Returns vary from year to year, and it can be tempting to react quickly when markets fall. But investing is a long-term game.
A single bad year rarely tells the whole story. What matters is your progress over time. If you stick to your plan and keep your investments diversified, your returns will usually even out over the long run.
How to Measure Your Investment Success
Your investment success isn’t just about how many percent you’ve earned. It’s also about whether you’re meeting your financial goals – and doing so in a way that fits your risk tolerance and time horizon.
Ask yourself:
- Have I achieved a return that matches my risk profile?
- Have I outperformed my benchmark – or at least kept pace with the market?
- Have I stayed disciplined through market ups and downs?
If you can answer “yes” to most of these questions, you’re likely on track toward investment success – whether your return is 5% or 15%.
Return Is More Than Just a Number
Return is a key measure of how your investments are performing, but it’s not the whole story. It’s about understanding what the numbers mean and how they fit into your overall financial picture.
By looking at return, risk, and time together, you’ll gain a clearer view of how you’re doing as an investor – and how you can adjust your course to improve your results in the future.
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