With a price-to-earnings (or "P/E") ratio of 22.9x Tidewater Inc. (NYSE:TDW) 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 10x 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.

Recent times have been pleasing for Tidewater 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.

If you'd like to see what analysts are forecasting going forward, you should check out our free report on Tidewater.

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

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

If we review the last year of earnings growth, the company posted a terrific increase of 203%. Although, its longer-term performance hasn't been as strong with three-year EPS growth being relatively non-existent overall. So it appears to us that the company has had a mixed result in terms of growing earnings over that time.

Shifting to the future, estimates from the six analysts covering the company suggest earnings should grow by 60% per annum over the next three years. Meanwhile, the rest of the market is forecast to only expand by 10% each year, which is noticeably less attractive.

With this information, we can see why Tidewater is trading at such a high P/E compared to the market. Apparently shareholders aren't keen to offload something that is potentially eyeing a more prosperous future.

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.

We've established that Tidewater maintains its high P/E on the strength of its forecast growth being higher than the wider market, as expected. Right now shareholders are comfortable with the P/E as they are quite confident future earnings aren't under threat. Unless these conditions change, they will continue to provide strong support to the share price.

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

If P/E ratios interest you, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.