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# Don't Sell QIAGEN N.V. (NYSE:QGEN) Before You Read This

This article is for investors who would like to improve their understanding of price to earnings ratios (P/E ratios). We'll look at QIAGEN N.V.'s (NYSE:QGEN) P/E ratio and reflect on what it tells us about the company's share price. QIAGEN has a P/E ratio of 47.73, based on the last twelve months. That corresponds to an earnings yield of approximately 2.1%.

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

The formula for P/E is:

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

Or for QIAGEN:

P/E of 47.73 = \$39.54 Ã· \$0.83 (Based on the trailing twelve months to March 2019.)

### 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 necessarily good or bad, but a high P/E implies relatively high expectations of what a company can achieve in the future.

### Does QIAGEN 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, QIAGEN has a higher P/E than the average company (39.4) in the life sciences industry.

That means that the market expects QIAGEN will outperform other companies in its industry. 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

P/E ratios primarily reflect market expectations around earnings growth rates. 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. A lower P/E should indicate the stock is cheap relative to others -- and that may attract buyers.

QIAGEN's 242% EPS improvement over the last year was like bamboo growth after rain; rapid and impressive. The cherry on top is that the five year growth rate was an impressive 21% per year. With that kind of growth rate we would generally expect a 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. 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.

Such spending might be good or bad, overall, but the key point here is that you need to look at debt to understand the P/E ratio in context.

### QIAGEN's Balance Sheet

QIAGEN's net debt is 11% 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 QIAGEN's P/E Ratio

QIAGEN trades on a P/E ratio of 47.7, which is above its market average of 17.9. The company is not overly constrained by its modest debt levels, and its recent EPS growth is nothing short of stand-out. So to be frank we are not surprised it has a high P/E ratio.

When the market is wrong about a stock, it gives savvy investors an opportunity. As value investor Benjamin Graham famously said, 'In the short run, the market is a voting machine but in the long run, it is a weighing machine.' So this free report on the analyst consensus forecasts could help you make a master move on this stock.

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.

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.