Should We Worry About Rotork plc's (LON:ROR) P/E Ratio?

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The goal of this article is to teach you how to use price to earnings ratios (P/E ratios). We'll apply a basic P/E ratio analysis to Rotork plc's (LON:ROR), to help you decide if the stock is worth further research. Rotork has a P/E ratio of 21.88, based on the last twelve months. In other words, at today's prices, investors are paying £21.88 for every £1 in prior year profit.

View our latest analysis for Rotork

How Do You Calculate A P/E Ratio?

The formula for P/E is:

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

Or for Rotork:

P/E of 21.88 = £2.364 ÷ £0.108 (Based on the year to December 2019.)

(Note: the above calculation results may not be precise due to rounding.)

Is A High Price-to-Earnings Ratio Good?

A higher P/E ratio means that investors are paying a higher price for each £1 of company 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 Does Rotork's P/E Ratio Compare To Its Peers?

We can get an indication of market expectations by looking at the P/E ratio. The image below shows that Rotork has a higher P/E than the average (13.8) P/E for companies in the machinery industry.

LSE:ROR Price Estimation Relative to Market April 22nd 2020
LSE:ROR Price Estimation Relative to Market April 22nd 2020

Rotork's P/E tells us that market participants think the company will perform better than its industry peers, going forward. Clearly the market expects growth, but it isn't guaranteed. So investors should always consider the P/E ratio alongside other factors, such as whether company directors have been buying shares.

How Growth Rates Impact P/E Ratios

P/E ratios primarily reflect market expectations around earnings growth rates. 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.

Rotork's earnings per share grew by 2.4% in the last twelve months. And its annual EPS growth rate over 3 years is 12%. In contrast, EPS has decreased by 1.9%, annually, over 5 years.

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).

Spending on growth might be good or bad a few years later, but the point is that the P/E ratio does not account for the option (or lack thereof).

Rotork's Balance Sheet

Rotork has net cash of UK£117m. That should lead to a higher P/E than if it did have debt, because its strong balance sheets gives it more options.

The Bottom Line On Rotork's P/E Ratio

Rotork has a P/E of 21.9. That's higher than the average in its market, which is 13.3. Recent earnings growth wasn't bad. Also positive, the relatively strong balance sheet will allow for investment in growth -- and the P/E indicates shareholders that will happen!

When the market is wrong about a stock, it gives savvy investors an opportunity. If the reality for a company is better than it expects, you can make money by buying and holding for the long term. So this free visualization of the analyst consensus on future earnings could help you make the right decision about whether to buy, sell, or hold.

But note: Rotork may not be the best stock to buy. So take a peek at this free list of interesting companies with strong recent earnings growth (and a P/E ratio 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.

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