Vibrant Group Limited (SGX:BIP) shares have had a horrible month, losing 31% after a relatively good period beforehand. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 35% in that time.

Although its price has dipped substantially, it's still not a stretch to say that Vibrant Group's price-to-sales (or "P/S") ratio of 0.2x right now seems quite "middle-of-the-road" compared to the Logistics industry in Singapore, where the median P/S ratio is around 0.5x. While this might not raise any eyebrows, if the P/S ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

See our latest analysis for Vibrant Group

What Does Vibrant Group's Recent Performance Look Like?

As an illustration, revenue has deteriorated at Vibrant Group over the last year, which is not ideal at all. One possibility is that the P/S is moderate because investors think the company might still do enough to be in line with the broader industry in the near future. If not, then existing shareholders may be a little nervous about the viability of the share price.

What Are Revenue Growth Metrics Telling Us About The P/S?

There's an inherent assumption that a company should be matching the industry for P/S ratios like Vibrant Group's to be considered reasonable.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 16%. That put a dampener on the good run it was having over the longer-term as its three-year revenue growth is still a noteworthy 16% in total. Accordingly, while they would have preferred to keep the run going, shareholders would be roughly satisfied with the medium-term rates of revenue growth.

This is in contrast to the rest of the industry, which is expected to grow by 10% over the next year, materially higher than the company's recent medium-term annualised growth rates.

In light of this, it's curious that Vibrant Group's P/S sits in line with the majority of other companies. It seems most investors are ignoring the fairly limited recent growth rates and are willing to pay up for exposure to the stock. Maintaining these prices will be difficult to achieve as a continuation of recent revenue trends is likely to weigh down the shares eventually.

What We Can Learn From Vibrant Group's P/S?

Following Vibrant Group's share price tumble, its P/S is just clinging on to the industry median P/S. While the price-to-sales ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of revenue expectations.

We've established that Vibrant Group's average P/S is a bit surprising since its recent three-year growth is lower than the wider industry forecast. When we see weak revenue with slower than industry growth, we suspect the share price is at risk of declining, bringing the P/S back in line with expectations. Unless the recent medium-term conditions improve, it's hard to accept the current share price as fair value.

You should always think about risks. Case in point, we've spotted 4 warning signs for Vibrant Group you should be aware of, and 1 of them is a bit concerning.

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.