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# Should You Be Tempted To Buy REX American Resources Corporation (REX) Because Of Its PE Ratio?

REX American Resources Corporation (NYSE:REX) is trading with a trailing P/E of 19.6x, which is lower than the industry average of 31.3x. While REX might seem like an attractive stock to buy, it is important to understand the assumptions behind the P/E ratio before you make any investment decisions. In this article, I will explain what the P/E ratio is as well as what you should look out for when using it. Check out our latest analysis for REX American Resources

### Demystifying the P/E ratio

The P/E ratio is one of many ratios used in relative valuation. By comparing a stock’s price per share to its earnings per share, we are able to see 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 REX

Price per share = 85.51

Earnings per share = 4.372

∴ Price-Earnings Ratio = 85.51 ÷ 4.372 = 19.6x

The P/E ratio itself doesn’t tell you a lot; however, it becomes very insightful when you compare it with other similar companies. Ideally, we want to compare the stock’s P/E ratio to the average of companies that have similar characteristics as REX, such as size and country of operation. A common peer group is companies that exist in the same industry, which is what I use below. Since similar companies should technically have similar P/E ratios, we can very quickly come to some conclusions about the stock if the ratios differ.

REX’s P/E of 19.6x is lower than its industry peers (31.3x), which implies that each dollar of REX’s earnings is being undervalued by investors. As such, our analysis shows that REX represents an under-priced stock.

### Assumptions to watch out for

While our conclusion might prompt you to buy REX immediately, there are two important assumptions you should be aware of. The first is that our “similar companies” are actually similar to REX. If the companies aren’t similar, the difference in P/E might be a result of other factors. For example, if you are inadvertently comparing lower risk firms with REX, then REX’s P/E would naturally be lower than its peers, since investors would value those with lower risk with a higher price. The other possibility is if you were accidentally comparing higher growth firms with REX. In this case, REX’s P/E would be lower since investors would also reward its peers’ higher growth with a higher price. The second assumption that must hold true is that the stocks we are comparing REX to are fairly valued by the market. If this assumption does not hold true, REX’s lower P/E ratio may be because firms in our peer group are being overvalued by the market.

### What this means for you:

Are you a shareholder? If your personal research into the stock confirms what the P/E ratio is telling you, it might be a good time to add more of REX to your portfolio. But keep in mind that the usefulness of relative valuation depends on whether you are comfortable with making the assumptions I mentioned above.

Are you a potential investor? If REX has been on your watch list for a while, it is best you also consider its intrinsic valuation. Looking at PE on its own will not give you the full picture of the stock as an investment, so I suggest you should also look at other relative valuation metrics like EV/EBITDA or PEG.

PE is one aspect of your portfolio construction to consider when holding or entering into a stock. But it is certainly not the only factor. Take a look at our most recent infographic report on REX American Resources for a more in-depth analysis of the stock to help you make a well-informed investment decision. Since we know a limitation of PE is it doesn't properly account for growth, you can use our free platform to see my list of stocks with a high growth potential and see if their PE is still reasonable.

To help readers see pass 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.

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