OneMain Holdings, Inc.'s (NYSE:OMF) price-to-earnings (or "P/E") ratio of 9.4x might make it look like a buy right now compared to the market in the United States, where around half of the companies have P/E ratios above 17x and even P/E's above 32x are quite common. However, the P/E might be low for a reason and it requires further investigation to determine if it's justified.

With earnings that are retreating more than the market's of late, OneMain Holdings has been very sluggish. 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. Or at the very least, you'd be hoping the earnings slide doesn't get any worse if your plan is to pick up some stock while it's out of favour.

Does Growth Match The Low P/E?

The only time you'd be truly comfortable seeing a P/E as low as OneMain Holdings' is when the company's growth is on track to lag 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 24%. This means it has also seen a slide in earnings over the longer-term as EPS is down 1.2% in total over the last three years. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

Shifting to the future, estimates from the eleven analysts covering the company suggest earnings should grow by 4.3% over the next year. That's shaping up to be materially lower than the 11% growth forecast for the broader market.

In light of this, it's understandable that OneMain Holdings' P/E sits below the majority of other companies. Apparently many shareholders weren't comfortable holding on while the company is potentially eyeing a less prosperous future.

The Key Takeaway

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.

As we suspected, our examination of OneMain Holdings' analyst forecasts revealed that its inferior earnings outlook is contributing to its low P/E. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. It's hard to see the share price rising strongly in the near future under these circumstances.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 2 warning signs with OneMain Holdings (at least 1 which is concerning), and understanding them should be part of your investment process.

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.