To the annoyance of some shareholders, James River Group Holdings, Ltd. (NASDAQ:JRVR) shares are down a considerable 29% in the last month, which continues a horrid run for the company. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 47% in that time.

Although its price has dipped substantially, it would still be understandable if you think James River Group Holdings is a stock with good investment prospects with a price-to-sales ratios (or "P/S") of 0.2x, considering almost half the companies in the United States' Insurance industry have P/S ratios above 1.1x. However, the P/S might be low for a reason and it requires further investigation to determine if it's justified.

How James River Group Holdings Has Been Performing

There hasn't been much to differentiate James River Group Holdings' and the industry's revenue growth lately. One possibility is that the P/S ratio is low because investors think this modest revenue performance may begin to slide. If you like the company, you'd be hoping this isn't the case so that you could pick up some stock while it's out of favour.

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

Is There Any Revenue Growth Forecasted For James River Group Holdings?

In order to justify its P/S ratio, James River Group Holdings would need to produce sluggish growth that's trailing the industry.

Taking a look back first, we see that the company grew revenue by an impressive 16% last year. Although, its longer-term performance hasn't been as strong with three-year revenue growth being relatively non-existent overall. Therefore, it's fair to say that revenue growth has been inconsistent recently for the company.

Turning to the outlook, the next year should bring diminished returns, with revenue decreasing 3.5% as estimated by the four analysts watching the company. That's not great when the rest of the industry is expected to grow by 4.1%.

With this information, we are not surprised that James River Group Holdings is trading at a P/S lower than the industry. However, shrinking revenues are unlikely to lead to a stable P/S over the longer term. There's potential for the P/S to fall to even lower levels if the company doesn't improve its top-line growth.

What We Can Learn From James River Group Holdings' P/S?

James River Group Holdings' recently weak share price has pulled its P/S back below other Insurance companies. We'd say the price-to-sales 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 James River Group Holdings' analyst forecasts revealed that its outlook for shrinking revenue is contributing to its low P/S. At this stage investors feel the potential for an improvement in revenue isn't great enough to justify a higher P/S ratio. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 1 warning sign with James River Group Holdings, and understanding should be part of your investment process.

Of course, profitable companies with a history of great earnings growth are generally safer bets. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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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.