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# Does Celestica Inc.’s (TSE:CLS) P/E Ratio Signal A Buying Opportunity?

The goal of this article is to teach you how to use price to earnings ratios (P/E ratios). To keep it practical, we’ll show how Celestica Inc.’s (TSE:CLS) P/E ratio could help you assess the value on offer. Celestica has a price to earnings ratio of 7.57, based on the last twelve months. In other words, at today’s prices, investors are paying CA\$7.57 for every CA\$1 in prior year profit.

See our latest analysis for Celestica

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

The formula for P/E is:

Price to Earnings Ratio = Price per Share (in the reporting currency) ÷ Earnings per Share (EPS)

Or for Celestica:

P/E of 7.57 = CA\$7.82 (Note: this is the share price in the reporting currency, namely, USD ) ÷ CA\$1.03 (Based on the year 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 CA\$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.

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

We can get an indication of market expectations by looking at the P/E ratio. We can see in the image below that the average P/E (15.7) for companies in the electronic industry is higher than Celestica’s P/E.

Its relatively low P/E ratio indicates that Celestica shareholders think it will struggle to do as well as other companies in its industry classification. While current expectations are low, the stock could be undervalued if the situation is better than the market assumes. It is arguably worth checking if insiders are buying shares, because that might imply they believe the stock is undervalued.

### How Growth Rates Impact P/E Ratios

Earnings growth rates have a big influence on P/E ratios. 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. Then, a lower P/E should attract more buyers, pushing the share price up.

In the last year, Celestica grew EPS like Taylor Swift grew her fan base back in 2010; the 178% gain was both fast and well deserved. Having said that, the average EPS growth over the last three years wasn’t so good, coming in at 4.9%.

### Don’t Forget: The P/E Does Not Account For Debt or Bank Deposits

One drawback of using a P/E ratio is that it considers market capitalization, but not the balance sheet. That means it doesn’t take debt or cash into account. Hypothetically, a company could reduce its future P/E ratio by spending its cash (or taking on debt) to achieve higher earnings.

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.

### How Does Celestica’s Debt Impact Its P/E Ratio?

Celestica has net debt worth just 4.4% of its market capitalization. It would probably trade on a higher P/E ratio if it had a lot of cash, but I doubt it is having a big impact.

### The Verdict On Celestica’s P/E Ratio

Celestica’s P/E is 7.6 which is below average (14.4) in the CA market. The company hasn’t stretched its balance sheet, and earnings growth was good last year. The low P/E ratio suggests current market expectations are muted, implying these levels of growth will not continue.

When the market is wrong about a stock, it gives savvy investors an opportunity. If it is underestimating a company, investors can make money by buying and holding the shares until the market corrects itself. So this free visual report on analyst forecasts could hold the key to an excellent investment decision.

Of course you might be able to find a better stock than Celestica. So you may wish to see this free collection of other companies that have grown earnings strongly.

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.

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. Thank you for reading.