There wouldn't be many who think Avista Corporation's (NYSE:AVA) price-to-earnings (or "P/E") ratio of 16.7x is worth a mention when the median P/E in the United States is similar at about 17x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/E.

Recent times have been pleasing for Avista as its earnings have risen in spite of the market's earnings going into reverse. One possibility is that the P/E is moderate because investors think the company's earnings will be less resilient moving forward. If not, then existing shareholders have reason to be feeling optimistic about the future direction of the share price.

View our latest analysis for Avista

How Is Avista's Growth Trending?

Avista's P/E ratio would be typical for a company that's only expected to deliver moderate growth, and importantly, perform in line with the market.

Retrospectively, the last year delivered an exceptional 23% gain to the company's bottom line. The latest three year period has also seen a 18% overall rise in EPS, aided extensively by its short-term performance. Therefore, it's fair to say the earnings growth recently has been respectable for the company.

Turning to the outlook, the next three years should generate growth of 7.2% each year as estimated by the five analysts watching the company. Meanwhile, the rest of the market is forecast to expand by 12% each year, which is noticeably more attractive.

In light of this, it's curious that Avista's P/E sits in line with the majority of other companies. Apparently many investors in the company are less bearish than analysts indicate and aren't willing to let go of their stock right now. These shareholders may be setting themselves up for future disappointment if the P/E falls to levels more in line with the growth outlook.

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 Avista's analyst forecasts revealed that its inferior earnings outlook isn't impacting its P/E as much as we would have predicted. Right now we are uncomfortable with the P/E as the predicted future earnings aren't likely to support a more positive sentiment for long. Unless these conditions improve, it's challenging to accept these prices as being reasonable.

There are also other vital risk factors to consider and we've discovered 4 warning signs for Avista (1 can't be ignored!) that you should be aware of before investing here.

You might be able to find a better investment than Avista. If you want a selection of possible candidates, check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.