Unfortunately for some shareholders, the Frontline plc (NYSE:FRO) share price has dived 32% in the last thirty days, prolonging recent pain. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 38% in that time.

Although its price has dipped substantially, Frontline may still be sending very bullish signals at the moment with its price-to-earnings (or "P/E") ratio of 5.4x, since almost half of all companies in the United States have P/E ratios greater than 19x and even P/E's higher than 34x 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.

Frontline hasn't been tracking well recently as its declining earnings compare poorly to other companies, which have seen some growth on average. The P/E is probably low because investors think this poor earnings performance isn't going to get any better. If this is the case, then existing shareholders will probably struggle to get excited about the future direction of the share price.

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

Does Growth Match The Low P/E?

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

Retrospectively, the last year delivered a frustrating 30% decrease to the company's bottom line. Unfortunately, that's brought it right back to where it started three years ago with EPS growth being virtually non-existent overall during that time. Therefore, it's fair to say that earnings growth has been inconsistent recently for the company.

Turning to the outlook, the next year should generate growth of 9.3% as estimated by the eight analysts watching the company. Meanwhile, the rest of the market is forecast to expand by 15%, which is noticeably more attractive.

With this information, we can see why Frontline is trading at a P/E lower than the market. It seems most investors are expecting to see limited future growth and are only willing to pay a reduced amount for the stock.

The Bottom Line On Frontline's P/E

Having almost fallen off a cliff, Frontline's share price has pulled its P/E way down as well. 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.

We've established that Frontline maintains its low P/E on the weakness of its forecast growth being lower than the wider market, as expected. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

Before you settle on your opinion, we've discovered 4 warning signs for Frontline (2 are concerning!) that you should be aware of.

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