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# Do You Like Celestica Inc. (TSE:CLS) At This P/E Ratio?

The goal of this article is to teach you how to use price to earnings ratios (P/E ratios). We'll show how you can use Celestica Inc.'s (TSE:CLS) P/E ratio to inform your assessment of the investment opportunity. Based on the last twelve months, Celestica's P/E ratio is 16.88. That is equivalent to an earnings yield of about 5.9%.

View our latest analysis for Celestica

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

The formula for price to earnings is:

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

Or for Celestica:

P/E of 16.88 = USD9.06 (Note: this is the share price in the reporting currency, namely, USD ) Ã· USD0.54 (Based on the year to December 2019.)

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

A higher P/E ratio means that buyers have to pay a higher price for each USD1 the company has earned over the last year. 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.

### How Does Celestica's P/E Ratio Compare To Its Peers?

One good way to get a quick read on what market participants expect of a company is to look at its P/E ratio. As you can see below Celestica has a P/E ratio that is fairly close for the average for the electronic industry, which is 18.0.

Its P/E ratio suggests that Celestica shareholders think that in the future it will perform about the same as other companies in its industry classification. 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

Companies that shrink earnings per share quickly will rapidly decrease the 'E' in the equation. That means even if the current P/E is low, it will increase over time if the share price stays flat. So while a stock may look cheap based on past earnings, it could be expensive based on future earnings.

Celestica shrunk earnings per share by 24% over the last year. And it has shrunk its earnings per share by 2.4% per year over the last five years. This could justify a pessimistic P/E.

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

It's important to note that the P/E ratio considers the market capitalization, not the enterprise value. So it won't reflect the advantage of cash, or disadvantage of debt. 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.

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.

### Celestica's Balance Sheet

Since Celestica holds net cash of US\$23m, it can spend on growth, justifying a higher P/E ratio than otherwise.

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

Celestica has a P/E of 16.9. That's higher than the average in its market, which is 15.4. The recent drop in earnings per share might keep value investors away, but the net cash position means the company has time to improve: and the high P/E suggests the market thinks it will.

Investors have an opportunity when market expectations about a stock are wrong. People often underestimate remarkable growth -- so investors can make money when fast growth is not fully appreciated. 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: Celestica 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.