Unpleasant Surprises Could Be In Store For discoverIE Group plc's (LON:DSCV) Shares

discoverIE Group plc's (LON:DSCV) price-to-earnings (or "P/E") ratio of 31.5x might make it look like a strong sell right now compared to the market in the United Kingdom, where around half of the companies have P/E ratios below 16x and even P/E's below 9x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/E.

With its earnings growth in positive territory compared to the declining earnings of most other companies, discoverIE Group has been doing quite well of late. It seems that many are expecting the company to continue defying the broader market adversity, which has increased investors’ willingness to pay up for the stock. If not, then existing shareholders might be a little nervous about the viability of the share price.

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Does Growth Match The High P/E?

In order to justify its P/E ratio, discoverIE Group would need to produce outstanding growth well in excess of the market.

If we review the last year of earnings growth, the company posted a terrific increase of 27%. Pleasingly, EPS has also lifted 94% in aggregate from three years ago, thanks to the last 12 months of growth. Accordingly, shareholders would have probably welcomed those medium-term rates of earnings growth.

Shifting to the future, estimates from the analysts covering the company suggest earnings should grow by 5.0% per year over the next three years. That's shaping up to be materially lower than the 13% per year growth forecast for the broader market.

In light of this, it's alarming that discoverIE Group'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.

What We Can Learn From discoverIE Group's P/E?

Generally, our preference is to limit the use of the price-to-earnings ratio to establishing what the market thinks about the overall health of a company.

Our examination of discoverIE Group'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. Right now we are increasingly uncomfortable with the high P/E as the predicted future earnings aren't likely to support such positive sentiment for long. Unless these conditions improve markedly, it's very challenging to accept these prices as being reasonable.

Many other vital risk factors can be found on the company's balance sheet. You can assess many of the main risks through our free balance sheet analysis for discoverIE Group with six simple checks.

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 a strong growth track record, trading on a low P/E.

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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.