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# Here's What Allegion plc's (NYSE:ALLE) P/E Is Telling Us

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 Allegion plc's (NYSE:ALLE), to help you decide if the stock is worth further research. Allegion has a P/E ratio of 26.52, based on the last twelve months. That is equivalent to an earnings yield of about 3.8%.

Check out our latest analysis for Allegion

### How Do You Calculate Allegion's P/E Ratio?

The formula for P/E is:

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

Or for Allegion:

P/E of 26.52 = USD128.00 Ã· USD4.83 (Based on the trailing twelve months to September 2019.)

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

A higher P/E ratio means that investors are paying a higher price for each USD1 of company earnings. That isn't necessarily good or bad, but a high P/E implies relatively high expectations of what a company can achieve in the future.

### Does Allegion Have A Relatively High Or Low P/E For Its Industry?

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 (23.6) in the building industry.

Allegion's P/E tells us that market participants think the company will perform better than its industry peers, going forward. Shareholders are clearly optimistic, but the future is always uncertain. So investors should delve deeper. I like to check if company insiders have been buying or selling.

### How Growth Rates Impact P/E Ratios

Earnings growth rates have a big influence on P/E ratios. If earnings are growing quickly, then the 'E' in the equation will increase faster than it would otherwise. And in that case, the P/E ratio itself will drop rather quickly. So while a stock may look expensive based on past earnings, it could be cheap based on future earnings.

It's nice to see that Allegion grew EPS by a stonking 47% in the last year. And earnings per share have improved by 23% annually, over the last five years. So we'd generally expect it to have a relatively high P/E ratio.

### 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. The exact same company would hypothetically deserve a higher P/E ratio if it had a strong balance sheet, than if it had a weak one with lots of debt, because a cashed up company can spend on growth.

While growth expenditure doesn't always pay off, the point is that it is a good option to have; but one that the P/E ratio ignores.

### Allegion's Balance Sheet

Allegion's net debt is 10% of its market cap. It would probably deserve a higher P/E ratio if it was net cash, since it would have more options for growth.

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

Allegion trades on a P/E ratio of 26.5, which is above its market average of 18.6. Its debt levels do not imperil its balance sheet and its EPS growth is very healthy indeed. So on this analysis a high P/E ratio seems reasonable.

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 visualization of the analyst consensus on future earnings could help you make the right decision about whether to buy, sell, or hold.

But note: Allegion 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.