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Does Performance Technologies S.A. (ATH:PERF) Have A Good P/E Ratio?

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This article is written for those who want to get better at using price to earnings ratios (P/E ratios). We'll show how you can use Performance Technologies S.A.'s (ATH:PERF) P/E ratio to inform your assessment of the investment opportunity. Looking at earnings over the last twelve months, Performance Technologies has a P/E ratio of 7.12. That corresponds to an earnings yield of approximately 14%.

Check out our latest analysis for Performance Technologies

How Do You Calculate A P/E Ratio?

The formula for price to earnings is:

Price to Earnings Ratio = Share Price ÷ Earnings per Share (EPS)

Or for Performance Technologies:

P/E of 7.12 = €2.6 ÷ €0.37 (Based on the trailing twelve months to December 2018.)

Is A High Price-to-Earnings Ratio Good?

The higher the P/E ratio, the higher the price tag of a business, relative to its trailing earnings. That is not a good or a bad thing per se, but a high P/E does imply buyers are optimistic about the future.

How Growth Rates Impact P/E Ratios

Generally speaking the rate of earnings growth has a profound impact on a company's P/E multiple. When earnings grow, the 'E' increases, over time. And in that case, the P/E ratio itself will drop rather quickly. A lower P/E should indicate the stock is cheap relative to others -- and that may attract buyers.

Performance Technologies's earnings made like a rocket, taking off 208% last year.

Does Performance Technologies Have A Relatively High Or Low P/E For Its Industry?

One good way to get a quick read on what market participants expect of a company is to look at its P/E ratio. We can see in the image below that the average P/E (20.5) for companies in the it industry is higher than Performance Technologies's P/E.

ATSE:PERF Price Estimation Relative to Market, June 13th 2019

Performance Technologies's P/E tells us that market participants think it will not fare as well as its peers in the same industry. While current expectations are low, the stock could be undervalued if the situation is better than the market assumes. You should delve deeper. I like to check if company insiders have been buying or selling.

A Limitation: P/E Ratios Ignore Debt and Cash In The Bank

One drawback of using a P/E ratio is that it considers market capitalization, but not the balance sheet. In other words, it does not consider any debt or cash that the company may have on the balance sheet. The exact same company would hypothetically deserve a higher P/E ratio if it had a strong balance sheet, than if it had a weak one with lots of debt, because a cashed up company can spend on growth.

While growth expenditure doesn't always pay off, the point is that it is a good option to have; but one that the P/E ratio ignores.

Performance Technologies's Balance Sheet

Performance Technologies's net debt is 14% of its market cap. That's enough debt to impact the P/E ratio a little; so keep it in mind if you're comparing it to companies without debt.

The Bottom Line On Performance Technologies's P/E Ratio

Performance Technologies trades on a P/E ratio of 7.1, which is below the GR market average of 15.7. The EPS growth last year was strong, and debt levels are quite reasonable. The low P/E ratio suggests current market expectations are muted, implying these levels of growth will not continue.

Investors should be looking to buy stocks that the market is wrong about. If the reality for a company is not as bad as the P/E ratio indicates, then the share price should increase as the market realizes this. Although we don't have analyst forecasts, you could get a better understanding of its growth by checking out this more detailed historical graph of earnings, revenue and cash flow.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with modest (or no) debt, trading on a P/E below 20.

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.