With a price-to-earnings (or "P/E") ratio of 21.6x IPG Photonics Corporation (NASDAQ:IPGP) may be sending bearish signals at the moment, given that almost half of all companies in the United States have P/E ratios under 16x and even P/E's lower than 9x are not unusual. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the elevated P/E.

Recent times have been pleasing for IPG Photonics as its earnings have risen in spite of the market's earnings going into reverse. The P/E is probably high because investors think the company will continue to navigate the broader market headwinds better than most. If not, then existing shareholders might be a little nervous about the viability of the share price.

Keen to find out how analysts think IPG Photonics' future stacks up against the industry? In that case, our free report is a great place to start.

How Is IPG Photonics' Growth Trending?

In order to justify its P/E ratio, IPG Photonics would need to produce impressive growth in excess of the market.

Retrospectively, the last year delivered an exceptional 92% gain to the company's bottom line. EPS has also lifted 12% in aggregate from three years ago, mostly thanks to the last 12 months of growth. So we can start by confirming that the company has actually done a good job of growing earnings over that time.

Shifting to the future, estimates from the eight analysts covering the company suggest earnings growth is heading into negative territory, declining 23% over the next year. That's not great when the rest of the market is expected to grow by 12%.

In light of this, it's alarming that IPG Photonics' P/E sits above the majority of other companies. It seems most investors are hoping for a turnaround in the company's business prospects, but the analyst cohort is not so confident this will happen. There's a very good chance these shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with the negative growth outlook.

What We Can Learn From IPG Photonics' P/E?

Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

Our examination of IPG Photonics' analyst forecasts revealed that its outlook for shrinking earnings isn't impacting its high P/E anywhere near as much as we would have predicted. When we see a poor outlook with earnings heading backwards, we suspect the share price is at risk of declining, sending the high P/E lower. This places shareholders' investments at significant risk and potential investors in danger of paying an excessive premium.

The company's balance sheet is another key area for risk analysis. Take a look at our free balance sheet analysis for IPG Photonics with six simple checks on some of these key factors.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and 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.