Unum Group's (NYSE:UNM) price-to-earnings (or "P/E") ratio of 7.5x might make it look like a strong buy right now compared to the market in the United States, where around half of the companies have P/E ratios above 18x and even P/E's above 32x are quite common. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so limited.

Unum Group has been struggling lately as its earnings have declined faster than most other companies. It seems that many are expecting the dismal earnings performance to persist, which has repressed the P/E. You'd much rather the company wasn't bleeding earnings if you still believe in the business. If not, then existing shareholders will probably struggle to get excited about the future direction of the share price.

How Is Unum Group's Growth Trending?

In order to justify its P/E ratio, Unum Group would need to produce anemic growth that's substantially trailing the market.

Taking a look back first, the company's earnings per share growth last year wasn't something to get excited about as it posted a disappointing decline of 12%. Still, the latest three year period has seen an excellent 81% overall rise in EPS, in spite of its unsatisfying short-term performance. Accordingly, while they would have preferred to keep the run going, shareholders would probably welcome the medium-term rates of earnings growth.

Looking ahead now, EPS is anticipated to climb by 12% per annum during the coming three years according to the nine analysts following the company. With the market predicted to deliver 10.0% growth each year, the company is positioned for a comparable earnings result.

In light of this, it's peculiar that Unum Group's P/E sits below the majority of other companies. Apparently some shareholders are doubtful of the forecasts and have been accepting lower selling prices.

The Key Takeaway

It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

We've established that Unum Group currently trades on a lower than expected P/E since its forecast growth is in line with the wider market. When we see an average earnings outlook with market-like growth, we assume potential risks are what might be placing pressure on the P/E ratio. At least the risk of a price drop looks to be subdued, but investors seem to think future earnings could see some volatility.

It is also worth noting that we have found 1 warning sign for Unum Group that you need to take into consideration.

If these risks are making you reconsider your opinion on Unum Group, explore our interactive list of high quality stocks to get an idea of what else is out there.

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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.