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# Is Revoil SA (ATH:REVOIL) Attractive At Its Current PE Ratio?

This article is intended for those of you who are at the beginning of your investing journey and want to start learning about core concepts of fundamental analysis on practical examples from today’s market.

Revoil SA (ATH:REVOIL) is trading with a trailing P/E of 2.5, which is lower than the industry average of 10.6. Although some investors might think this is a real positive, that might change once you understand the assumptions behind the P/E. In this article, I will deconstruct the P/E ratio and highlight what you need to be careful of when using the P/E ratio.

### Breaking down the Price-Earnings ratio

P/E is a popular ratio used for relative valuation. It compares a stock’s price per share to the stock’s earnings per share. A more intuitive way of understanding the P/E ratio is to think of it as how much investors are paying for each dollar of the company’s earnings.

Formula

Price-Earnings Ratio = Price per share ÷ Earnings per share

P/E Calculation for REVOIL

Price per share = €0.47

Earnings per share = €0.190

∴ Price-Earnings Ratio = €0.47 ÷ €0.190 = 2.5x

The P/E ratio itself doesn’t tell you a lot; however, it becomes very insightful when you compare it with other similar companies. We preferably want to compare the stock’s P/E ratio to the average of companies that have similar features to REVOIL, such as capital structure and profitability. One way of gathering a peer group is to use firms in the same industry, which is what I’ll do. Since it is expected that similar companies have similar P/E ratios, we can come to some conclusions about the stock if the ratios are different.

Since REVOIL’s P/E of 2.5 is lower than its industry peers (10.6), it means that investors are paying less for each dollar of REVOIL’s earnings. Since the Oil and Gas sector in GR is relatively small, I’ve included similar companies in the wider region in order to get a better idea of the multiple, which is a median of profitable companies of companies such as Hellenic Petroleum, Motor Oil (Hellas) Corinth Refineries and Elinoil Hellenic Petroleum. One could put it like this: the market is pricing REVOIL as if it is a weaker company than the average company in its industry.

### A few caveats

Before you jump to conclusions it is important to realise that our assumptions rests on two important assertions. The first is that our “similar companies” are actually similar to REVOIL. If the companies aren’t similar, the difference in P/E might be a result of other factors. For example, if you accidentally compared higher growth firms with REVOIL, then REVOIL’s P/E would naturally be lower since investors would reward its peers’ higher growth with a higher price. Alternatively, if you inadvertently compared less risky firms with REVOIL, REVOIL’s P/E would again be lower since investors would reward its peers’ lower risk with a higher price as well. The second assumption that must hold true is that the stocks we are comparing REVOIL to are fairly valued by the market. If this assumption does not hold true, REVOIL’s lower P/E ratio may be because firms in our peer group are being overvalued by the market.

### What this means for you:

Since you may have already conducted your due diligence on REVOIL, the undervaluation of the stock may mean it is a good time to top up on your current holdings. But at the end of the day, keep in mind that relative valuation relies heavily on critical assumptions I’ve outlined above. Remember that basing your investment decision off one metric alone is certainly not sufficient. There are many things I have not taken into account in this article and the PE ratio is very one-dimensional. If you have not done so already, I urge you to complete your research by taking a look at the following:

1. Financial Health: Are REVOIL’s operations financially sustainable? Balance sheets can be hard to analyze, which is why we’ve done it for you. Check out our financial health checks here.
2. Past Track Record: Has REVOIL been consistently performing well irrespective of the ups and downs in the market? Go into more detail in the past performance analysis and take a look at the free visual representations of REVOIL’s historicals for more clarity.
3. Other High-Performing Stocks: Are there other stocks that provide better prospects with proven track records? Explore our free list of these great stocks here.

To help readers see past the short term volatility of the financial market, we aim to bring you a long-term focused research analysis purely driven by fundamental data. Note that our analysis does not factor in the latest price-sensitive company announcements.

The author is an independent contributor and at the time of publication had no position in the stocks mentioned. For errors that warrant correction please contact the editor at editorial-team@simplywallst.com.