Southern Archipelago Ltd. (SGX:A33) shareholders won't be pleased to see that the share price has had a very rough month, dropping 50% and undoing the prior period's positive performance. The recent drop completes a disastrous twelve months for shareholders, who are sitting on a 50% loss during that time.

Although its price has dipped substantially, Southern Archipelago may still be sending very bearish signals at the moment with a price-to-earnings (or "P/E") ratio of 47.2x, since almost half of all companies in Singapore have P/E ratios under 10x and even P/E's lower than 7x are not unusual. 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, Southern Archipelago'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.

Although there are no analyst estimates available for Southern Archipelago, take a look at this free data-rich visualisation to see how the company stacks up on earnings, revenue and cash flow.

Is There Enough Growth For Southern Archipelago?

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

Retrospectively, the last year delivered a frustrating 8.3% decrease to the company's bottom line. This has erased any of its gains during the last three years, with practically no change in EPS being achieved in total. So it appears to us that the company has had a mixed result in terms of growing earnings over that time.

This is in contrast to the rest of the market, which is expected to grow by 12% over the next year, materially higher than the company's recent medium-term annualised growth rates.

In light of this, it's alarming that Southern Archipelago's P/E sits above the majority of other companies. It seems most investors are ignoring the fairly limited recent growth rates and are hoping for a turnaround in the company's business prospects. Only the boldest would assume these prices are sustainable as a continuation of recent earnings trends is likely to weigh heavily on the share price eventually.

The Bottom Line On Southern Archipelago's P/E

Even after such a strong price drop, Southern Archipelago's P/E still exceeds 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.

We've established that Southern Archipelago currently trades on a much higher than expected P/E since its recent three-year growth is lower than the wider market forecast. When we see weak earnings with slower than market growth, we suspect the share price is at risk of declining, sending the high P/E lower. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

You need to take note of risks, for example - Southern Archipelago has 5 warning signs (and 3 which are concerning) we think you should know about.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and 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.