With a price-to-earnings (or "P/E") ratio of 22.8x VeriSign, Inc. (NASDAQ:VRSN) may be sending bearish signals at the moment, given that almost half of all companies in the United States have P/E ratios under 18x and even P/E's lower than 11x are not unusual. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's as high as it is.

VeriSign certainly has been doing a good job lately as it's been growing earnings more than most other companies. The P/E is probably high because investors think this strong earnings performance will continue. If not, then existing shareholders might be a little nervous about the viability of the share price.

What Are Growth Metrics Telling Us About The High P/E?

The only time you'd be truly comfortable seeing a P/E as high as VeriSign's is when the company's growth is on track to outshine the market.

If we review the last year of earnings growth, the company posted a terrific increase of 23%. The strong recent performance means it was also able to grow EPS by 65% in total over the last three years. So we can start by confirming that the company has done a great job of growing earnings over that time.

Shifting to the future, estimates from the four analysts covering the company suggest earnings should grow by 3.7% per annum over the next three years. With the market predicted to deliver 11% growth each year, the company is positioned for a weaker earnings result.

In light of this, it's alarming that VeriSign's P/E sits above the majority of other companies. Apparently many investors in the company are way more bullish than analysts indicate and aren't willing to let go of their stock at any price. Only the boldest would assume these prices are sustainable as this level of earnings growth is likely to weigh heavily on the share price eventually.

The Final Word

Using the price-to-earnings ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

Our examination of VeriSign's analyst forecasts revealed that its inferior earnings outlook isn't impacting its high P/E anywhere near as much as we would have predicted. When we see a weak earnings outlook with slower than market growth, we suspect the share price is at risk of declining, sending the high P/E lower. Unless these conditions improve markedly, it's very challenging to accept these prices as being reasonable.

There are also other vital risk factors to consider and we've discovered 2 warning signs for VeriSign (1 is significant!) that you should be aware of before investing here.

Of course, you might also be able to find a better stock than VeriSign. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.