Should You Be Tempted To Buy Trinity Industries Inc (TRN) Because Of Its PE Ratio?

Trinity Industries Inc (NYSE:TRN) is trading with a trailing P/E of 21.2x, which is lower than the industry average of 27.8x. While TRN 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. View our latest analysis for Trinity Industries

Breaking down the P/E ratio

NYSE:TRN PE PEG Gauge Oct 9th 17
NYSE:TRN PE PEG Gauge Oct 9th 17

P/E is a popular ratio used for 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.

P/E Calculation for TRN

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

TRN Price-Earnings Ratio = 34.73 ÷ 1.636 = 21.2x

On its own, the P/E ratio doesn’t tell you much; however, it becomes extremely useful when you compare it with other similar companies. We want to compare the stock’s P/E ratio to the average of companies that have similar characteristics as TRN, such as size and country of operation. A quick method of creating a peer group is to use companies in the same industry, which is what I will do. At 21.2x, TRN’s P/E is lower than its industry peers (27.8x). This implies that investors are undervaluing each dollar of TRN’s earnings. As such, our analysis shows that TRN represents an under-priced stock.

A few caveats

Before you jump to the conclusion that TRN is the perfect buying opportunity, it is important to realise that our conclusion rests on two assertions. The first is that our “similar companies” are actually similar to TRN, or else the difference in P/E might be a result of other factors. For example, if you compared lower risk firms with TRN, then investors would naturally value it at a lower price since it is a riskier investment. The second assumption that must hold true is that the stocks we are comparing TRN to are fairly valued by the market. If this is violated, TRN's P/E may be lower than its peers as they are actually overvalued by investors.

What this means for you:

Are you a shareholder? You may have already conducted fundamental analysis on the stock as a shareholder, so its current undervaluation could signal a good buying opportunity to increase your exposure to TRN. Now that you understand the ins and outs of the PE metric, you should know to bear in mind its limitations before you make an investment decision.

Are you a potential investor? If TRN 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 Trinity Industries 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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