When close to half the companies in the United States have price-to-earnings ratios (or "P/E's") below 16x, you may consider Safety Insurance Group, Inc. (NASDAQ:SAFT) as a stock to avoid entirely with its 64.9x P/E ratio. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so lofty.

For instance, Safety Insurance Group's receding earnings in recent times would have to be some food for thought. One possibility is that the P/E is high because investors think the company will still do enough to outperform the broader market in the near future. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Does Growth Match The High P/E?

In order to justify its P/E ratio, Safety Insurance Group would need to produce outstanding growth well in excess of the market.

Retrospectively, the last year delivered a frustrating 60% decrease to the company's bottom line. This means it has also seen a slide in earnings over the longer-term as EPS is down 86% in total over the last three years. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

In contrast to the company, the rest of the market is expected to grow by 11% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

With this information, we find it concerning that Safety Insurance Group is trading at a P/E higher than the market. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. There's a very good chance existing shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with the recent negative growth rates.

What We Can Learn From Safety Insurance Group's P/E?

While the price-to-earnings ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of earnings expectations.

Our examination of Safety Insurance Group revealed its shrinking earnings over the medium-term aren't impacting its high P/E anywhere near as much as we would have predicted, given the market is set to grow. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the high P/E lower. If recent medium-term earnings trends continue, it will place shareholders' investments at significant risk and potential investors in danger of paying an excessive premium.

It is also worth noting that we have found 3 warning signs for Safety Insurance Group (2 are a bit unpleasant!) that you need to take into consideration.

You might be able to find a better investment than Safety Insurance Group. 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.