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# Do You Know What Atos SE's (EPA:ATO) P/E Ratio Means?

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The goal of this article is to teach you how to use price to earnings ratios (P/E ratios). To keep it practical, we'll show how Atos SE's (EPA:ATO) P/E ratio could help you assess the value on offer. Atos has a price to earnings ratio of 12.85, based on the last twelve months. That means that at current prices, buyers pay â‚¬12.85 for every â‚¬1 in trailing yearly profits.

### How Do You Calculate A P/E Ratio?

The formula for P/E is:

Price to Earnings Ratio = Price per Share Ã· Earnings per Share (EPS)

Or for Atos:

P/E of 12.85 = â‚¬76.34 Ã· â‚¬5.94 (Based on the year to December 2018.)

### Is A High P/E Ratio Good?

A higher P/E ratio means that investors are paying a higher price for each â‚¬1 of company earnings. All else being equal, it's better to pay a low price -- but as Warren Buffett said, 'It's far better to buy a wonderful company at a fair price than a fair company at a wonderful price.'

### Does Atos 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. If you look at the image below, you can see Atos has a lower P/E than the average (17.7) in the it industry classification.

This suggests that market participants think Atos will underperform other companies in its industry. While current expectations are low, the stock could be undervalued if the situation is better than the market assumes. It is arguably worth checking if insiders are buying shares, because that might imply they believe the stock is undervalued.

### How Growth Rates Impact P/E Ratios

Earnings growth rates have a big influence on P/E ratios. If earnings are growing quickly, then the 'E' in the equation will increase faster than it would otherwise. That means even if the current P/E is high, it will reduce over time if the share price stays flat. So while a stock may look expensive based on past earnings, it could be cheap based on future earnings.

Atos saw earnings per share improve by -3.9% last year. And its annual EPS growth rate over 5 years is 15%.

### Remember: P/E Ratios Don't Consider The Balance Sheet

One drawback of using a P/E ratio is that it considers market capitalization, but not the balance sheet. So it won't reflect the advantage of cash, or disadvantage of debt. In theory, a company can lower its future P/E ratio by using cash or debt to invest in growth.

Spending on growth might be good or bad a few years later, but the point is that the P/E ratio does not account for the option (or lack thereof).

### How Does Atos's Debt Impact Its P/E Ratio?

Atos's net debt equates to 35% of its market capitalization. You'd want to be aware of this fact, but it doesn't bother us.

### The Verdict On Atos's P/E Ratio

Atos's P/E is 12.8 which is below average (17.5) in the FR market. The company hasn't stretched its balance sheet, and earnings are improving. The P/E ratio implies the market is cautious about longer term prospects.

Investors have an opportunity when market expectations about a stock are wrong. 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. So this free visualization of the analyst consensus on future earnings could help you make the right decision about whether to buy, sell, or hold.

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.