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# Does Bouygues SA (EPA:EN) Have A Good P/E Ratio?

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Today, we’ll introduce the concept of the P/E ratio for those who are learning about investing. We’ll show how you can use Bouygues SA’s (EPA:EN) P/E ratio to inform your assessment of the investment opportunity. Based on the last twelve months, Bouygues’s P/E ratio is 9.36. That means that at current prices, buyers pay €9.36 for every €1 in trailing yearly profits.

### How Do You Calculate Bouygues’s P/E Ratio?

The formula for P/E is:

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

Or for Bouygues:

P/E of 9.36 = €31.14 ÷ €3.33 (Based on the trailing twelve months to March 2019.)

### 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 isn’t a good or a bad thing on its own, but a high P/E means that buyers have a higher opinion of the business’s prospects, relative to stocks with a lower P/E.

### How Growth Rates Impact P/E Ratios

P/E ratios primarily reflect market expectations around earnings growth rates. If earnings are growing quickly, then the ‘E’ in the equation will increase faster than it would otherwise. That means unless the share price increases, the P/E will reduce in a few years. A lower P/E should indicate the stock is cheap relative to others — and that may attract buyers.

Bouygues saw earnings per share improve by -3.1% last year. And earnings per share have improved by 44% annually, over the last three years.

### Does Bouygues Have A Relatively High Or Low P/E For Its Industry?

We can get an indication of market expectations by looking at the P/E ratio. The image below shows that Bouygues has a lower P/E than the average (13.1) P/E for companies in the construction industry.

This suggests that market participants think Bouygues will underperform other companies in its industry. Many investors like to buy stocks when the market is pessimistic about their prospects. If you consider the stock interesting, further research is recommended. For example, I often monitor director buying and selling.

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

It’s important to note that the P/E ratio considers the market capitalization, not the enterprise value. In other words, it does not consider any debt or cash that the company may have on the balance sheet. Theoretically, a business can improve its earnings (and produce a lower P/E in the future) by investing in growth. That means taking on debt (or spending its cash).

Such spending might be good or bad, overall, but the key point here is that you need to look at debt to understand the P/E ratio in context.

### So What Does Bouygues’s Balance Sheet Tell Us?

Bouygues’s net debt is 58% of its market cap. This is enough debt that you’d have to make some adjustments before using the P/E ratio to compare it to a company with net cash.

### The Verdict On Bouygues’s P/E Ratio

Bouygues has a P/E of 9.4. That’s below the average in the FR market, which is 16.9. While the recent EPS growth is a positive, the significant amount of debt on the balance sheet may be contributing to pessimistic market expectations.

When the market is wrong about a stock, it gives savvy investors an opportunity. 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 report on the analyst consensus forecasts could help you make a master move on this stock.

You might be able to find a better buy than Bouygues. If you want a selection of possible winners, check out this free list of interesting companies that trade on a P/E below 20 (but have proven they can grow earnings).

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.