With a median price-to-earnings (or "P/E") ratio of close to 20x in the United States, you could be forgiven for feeling indifferent about Masco Corporation's (NYSE:MAS) P/E ratio of 20.9x. While this might not raise any eyebrows, if the P/E ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

Recent earnings growth for Masco has been in line with the market. The P/E is probably moderate because investors think this modest earnings performance will continue. If you like the company, you'd be hoping this can at least be maintained so that you could pick up some stock while it's not quite in favour.

Want the full picture on analyst estimates for the company? Then our free report on Masco will help you uncover what's on the horizon.

Does Growth Match The P/E?

There's an inherent assumption that a company should be matching the market for P/E ratios like Masco's to be considered reasonable.

Taking a look back first, we see that there was hardly any earnings per share growth to speak of for the company over the past year. Still, the latest three year period has seen an excellent 111% overall rise in EPS, in spite of its uninspiring short-term performance. So we can start by confirming that the company has done a great job of growing earnings over that time.

Turning to the outlook, the next three years should generate growth of 12% each year as estimated by the analysts watching the company. Meanwhile, the rest of the market is forecast to expand by 11% per year, which is not materially different.

In light of this, it's understandable that Masco's P/E sits in line with the majority of other companies. Apparently shareholders are comfortable to simply hold on while the company is keeping a low profile.

The Final Word

We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

As we suspected, our examination of Masco's analyst forecasts revealed that its market-matching earnings outlook is contributing to its current P/E. Right now shareholders are comfortable with the P/E as they are quite confident future earnings won't throw up any surprises. Unless these conditions change, they will continue to support the share price at these levels.

And what about other risks? Every company has them, and we've spotted 2 warning signs for Masco you should know about.

You might be able to find a better investment than Masco. 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.