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# Is Allegion plc’s (NYSE:ALLE) High P/E Ratio A Problem For Investors?

This article is for investors who would like to improve their understanding of price to earnings ratios (P/E ratios). We’ll look at Allegion plc’s (NYSE:ALLE) P/E ratio and reflect on what it tells us about the company’s share price. Based on the last twelve months, Allegion’s P/E ratio is 25.06. That means that at current prices, buyers pay \$25.06 for every \$1 in trailing yearly profits.

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### How Do I Calculate A Price To Earnings Ratio?

The formula for price to earnings is:

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

Or for Allegion:

P/E of 25.06 = \$82.2 ÷ \$3.28 (Based on the trailing twelve months to September 2018.)

### Is A High P/E Ratio Good?

A higher P/E ratio means that buyers have to pay a higher price for each \$1 the company has earned over the last year. 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.’

### 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. When earnings grow, the ‘E’ increases, over time. That means even if the current P/E is high, it will reduce over time if the share price stays flat. A lower P/E should indicate the stock is cheap relative to others — and that may attract buyers.

Allegion saw earnings per share decrease by 7.7% last year. But EPS is up 28% over the last 5 years.

### How Does Allegion’s P/E Ratio Compare To Its Peers?

The P/E ratio indicates whether the market has higher or lower expectations of a company. As you can see below, Allegion has a higher P/E than the average company (15.1) in the building industry.

That means that the market expects Allegion will outperform other companies in its industry. Shareholders are clearly optimistic, but the future is always uncertain. So investors should always consider the P/E ratio alongside other factors, such as whether company directors have been buying shares.

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

Don’t forget that the P/E ratio considers market capitalization. Thus, the metric does not reflect cash or debt held by the company. Hypothetically, a company could reduce its future P/E ratio by spending its cash (or taking on debt) to achieve higher earnings.

Such expenditure might be good or bad, in the long term, but the point here is that the balance sheet is not reflected by this ratio.

### Allegion’s Balance Sheet

Allegion’s net debt is 17% of its market cap. This could bring some additional risk, and reduce the number of investment options for management; worth remembering if you compare its P/E to businesses without debt.

### The Bottom Line On Allegion’s P/E Ratio

Allegion trades on a P/E ratio of 25.1, which is above the US market average of 16.8. With modest debt but no EPS growth in the last year, it’s fair to say the P/E implies some optimism about future earnings, from the market.

Investors should be looking to buy stocks that the market is wrong about. 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 visual report on analyst forecasts could hold they key to an excellent investment decision.

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.

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.