Jiayin Group Inc. (NASDAQ:JFIN) shares have had a really impressive month, gaining 26% after a shaky period beforehand. Looking back a bit further, it's encouraging to see the stock is up 38% in the last year.

Although its price has surged higher, Jiayin Group may still be sending very bullish signals at the moment with its price-to-earnings (or "P/E") ratio of 2.2x, since almost half of all companies in the United States have P/E ratios greater than 19x and even P/E's higher than 35x are not unusual. However, the P/E might be quite low for a reason and it requires further investigation to determine if it's justified.

For example, consider that Jiayin Group's financial performance has been poor lately as its earnings have been in decline. It might be that many expect the disappointing earnings performance to continue or accelerate, which has repressed the P/E. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

Want the full picture on earnings, revenue and cash flow for the company? Then our free report on Jiayin Group will help you shine a light on its historical performance.

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

The only time you'd be truly comfortable seeing a P/E as depressed as Jiayin Group's is when the company's growth is on track to lag the market decidedly.

Retrospectively, the last year delivered a frustrating 13% decrease to the company's bottom line. However, a few very strong years before that means that it was still able to grow EPS by an impressive 213% in total over the last three years. Although it's been a bumpy ride, it's still fair to say the earnings growth recently has been more than adequate for the company.

Comparing that to the market, which is only predicted to deliver 15% growth in the next 12 months, the company's momentum is stronger based on recent medium-term annualised earnings results.

With this information, we find it odd that Jiayin Group is trading at a P/E lower than the market. Apparently some shareholders believe the recent performance has exceeded its limits and have been accepting significantly lower selling prices.

The Key Takeaway

Even after such a strong price move, Jiayin Group's P/E still trails the rest of the market significantly. Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

Our examination of Jiayin Group revealed its three-year earnings trends aren't contributing to its P/E anywhere near as much as we would have predicted, given they look better than current market expectations. When we see strong earnings with faster-than-market growth, we assume potential risks are what might be placing significant pressure on the P/E ratio. At least price risks look to be very low if recent medium-term earnings trends continue, but investors seem to think future earnings could see a lot of volatility.

Plus, you should also learn about these 3 warning signs we've spotted with Jiayin Group.

If these risks are making you reconsider your opinion on Jiayin 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.