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# Is Trifast plc's (LON:TRI) P/E Ratio Really That Good?

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 Trifast plc's (LON:TRI) P/E ratio to inform your assessment of the investment opportunity. Trifast has a P/E ratio of 16.99, based on the last twelve months. That corresponds to an earnings yield of approximately 5.9%.

View our latest analysis for Trifast

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

The formula for price to earnings is:

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

Or for Trifast:

P/E of 16.99 = Â£1.72 Ã· Â£0.10 (Based on the trailing twelve months to September 2019.)

### Is A High Price-to-Earnings Ratio Good?

A higher P/E ratio implies that investors pay a higher price for the earning power of the business. 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 Trifast 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. You can see in the image below that the average P/E (17.9) for companies in the machinery industry is roughly the same as Trifast's P/E.

Trifast's P/E tells us that market participants think its prospects are roughly in line with its industry. If the company has better than average prospects, then the market might be underestimating it. Checking factors such as director buying and selling. could help you form your own view on if that will happen.

### How Growth Rates Impact P/E Ratios

Probably the most important factor in determining what P/E a company trades on is the earnings growth. Earnings growth means that in the future the 'E' will be higher. Therefore, even if you pay a high multiple of earnings now, that multiple will become lower in the future. And as that P/E ratio drops, the company will look cheap, unless its share price increases.

Trifast's earnings per share fell by 5.8% in the last twelve months. But over the longer term (5 years) earnings per share have increased by 11%.

### A Limitation: P/E Ratios Ignore Debt and Cash In The Bank

It's important to note that the P/E ratio considers the market capitalization, not the enterprise value. That means it doesn't take debt or cash into account. 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.

### Trifast's Balance Sheet

Trifast has net debt worth just 7.6% of its market capitalization. So it doesn't have as many options as it would with net cash, but its debt would not have much of an impact on its P/E ratio.

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

Trifast's P/E is 17.0 which is about average (17.1) in the GB market. With modest debt, and a lack of recent growth, it would seem the market is expecting improvement in earnings.

Investors should be looking to buy stocks that the market is wrong about. If it is underestimating a company, investors can make money by buying and holding the shares until the market corrects itself. So this free report on the analyst consensus forecasts could help you make a master move on this stock.

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.

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.

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. Thank you for reading.