With a price-to-earnings (or "P/E") ratio of 24x Rogers Corporation (NYSE:ROG) may be sending very bearish signals at the moment, given that almost half of all companies in the United States have P/E ratios under 15x and even P/E's lower than 8x 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 so lofty.

Recent times have been advantageous for Rogers as its earnings have been rising faster than most other companies. The P/E is probably high because investors think this strong earnings performance will continue. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Check out our latest analysis for Rogers

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

Rogers' P/E ratio would be typical for a company that's expected to deliver very strong growth, and importantly, perform much better than the market.

If we review the last year of earnings growth, the company posted a terrific increase of 40%. The latest three year period has also seen an excellent 1,575% overall rise in EPS, aided by its short-term performance. Therefore, it's fair to say the earnings growth recently has been superb for the company.

Turning to the outlook, the next year should bring diminished returns, with earnings decreasing 22% as estimated by the dual analysts watching the company. With the market predicted to deliver 10.0% growth , that's a disappointing outcome.

In light of this, it's alarming that Rogers' 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. Only the boldest would assume these prices are sustainable as these declining earnings are likely to weigh heavily on the share price eventually.

The Key Takeaway

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 Rogers' 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. Right now we are increasingly uncomfortable with the high P/E as the predicted future earnings are highly unlikely to support such positive sentiment for long. Unless these conditions improve markedly, it's very challenging to accept these prices as being reasonable.

You should always think about risks. Case in point, we've spotted 1 warning sign for Rogers you should be aware of.

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.