# Should We Be Cautious About Synaptics Incorporated’s (NASDAQ:SYNA) ROE Of 3.0%?

Many investors are still learning about the various metrics that can be useful when analysing a stock. This article is for those who would like to learn about Return On Equity (ROE). We’ll use ROE to examine Synaptics Incorporated (NASDAQ:SYNA), by way of a worked example.

Synaptics has a ROE of 3.0%, based on the last twelve months. Another way to think of that is that for every \$1 worth of equity in the company, it was able to earn \$0.030.

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### How Do You Calculate Return On Equity?

The formula for return on equity is:

Return on Equity = Net Profit ÷ Shareholders’ Equity

Or for Synaptics:

3.0% = US\$22m ÷ US\$727m (Based on the trailing twelve months to March 2019.)

It’s easy to understand the ‘net profit’ part of that equation, but ‘shareholders’ equity’ requires further explanation. It is all the money paid into the company from shareholders, plus any earnings retained. You can calculate shareholders’ equity by subtracting the company’s total liabilities from its total assets.

### What Does ROE Signify?

ROE measures a company’s profitability against the profit it retains, and any outside investments. The ‘return’ is the yearly profit. The higher the ROE, the more profit the company is making. So, all else being equal, a high ROE is better than a low one. That means it can be interesting to compare the ROE of different companies.

### Does Synaptics Have A Good ROE?

By comparing a company’s ROE with its industry average, we can get a quick measure of how good it is. However, this method is only useful as a rough check, because companies do differ quite a bit within the same industry classification. As shown in the graphic below, Synaptics has a lower ROE than the average (14%) in the Semiconductor industry classification.

Unfortunately, that’s sub-optimal. It is better when the ROE is above industry average, but a low one doesn’t necessarily mean the business is overpriced. Still, shareholders might want to check if insiders have been selling.

### Why You Should Consider Debt When Looking At ROE

Most companies need money — from somewhere — to grow their profits. That cash can come from retained earnings, issuing new shares (equity), or debt. In the first two cases, the ROE will capture this use of capital to grow. In the latter case, the use of debt will improve the returns, but will not change the equity. That will make the ROE look better than if no debt was used.

### Combining Synaptics’s Debt And Its 3.0% Return On Equity

While Synaptics does have some debt, with debt to equity of just 0.64, we wouldn’t say debt is excessive. Its ROE is rather low, and it does use some debt, albeit not much. That’s not great to see. Conservative use of debt to boost returns is usually a good move for shareholders, though it does leave the company more exposed to interest rate rises.

### In Summary

Return on equity is useful for comparing the quality of different businesses. Companies that can achieve high returns on equity without too much debt are generally of good quality. All else being equal, a higher ROE is better.

But when a business is high quality, the market often bids it up to a price that reflects this. It is important to consider other factors, such as future profit growth — and how much investment is required going forward. So you might want to check this FREE visualization of analyst forecasts for the company.

Of course Synaptics may not be the best stock to buy. So you may wish to see this free collection of other companies that have high ROE and low debt.

We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned. Thank you for reading.