Unfortunately for some shareholders, the Ecofibre Limited (ASX:EOF) share price has dived 26% in the last thirty days, prolonging recent pain. For any long-term shareholders, the last month ends a year to forget by locking in a 76% share price decline.

After such a large drop in price, Ecofibre may be sending very bullish signals at the moment with its price-to-sales (or "P/S") ratio of 0.3x, since almost half of all companies in the Pharmaceuticals industry in Australia have P/S ratios greater than 9.3x and even P/S higher than 35x are not unusual. However, the P/S might be quite low for a reason and it requires further investigation to determine if it's justified.

See our latest analysis for Ecofibre

How Ecofibre Has Been Performing

Ecofibre has been doing a decent job lately as it's been growing revenue at a reasonable pace. It might be that many expect the respectable revenue performance to degrade, which has repressed the P/S. Those who are bullish on Ecofibre will be hoping that this isn't the case, so that they can pick up the stock at a lower valuation.

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

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

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

Taking a look back first, we see that the company managed to grow revenues by a handy 4.6% last year. Ultimately though, it couldn't turn around the poor performance of the prior period, with revenue shrinking 4.1% in total over the last three years. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

Comparing that to the industry, which is predicted to deliver 333% growth in the next 12 months, the company's downward momentum based on recent medium-term revenue results is a sobering picture.

In light of this, it's understandable that Ecofibre's P/S would sit below the majority of other companies. However, we think shrinking revenues are unlikely to lead to a stable P/S over the longer term, which could set up shareholders for future disappointment. Even just maintaining these prices could be difficult to achieve as recent revenue trends are already weighing down the shares.

The Bottom Line On Ecofibre's P/S

Shares in Ecofibre have plummeted and its P/S has followed suit. Generally, our preference is to limit the use of the price-to-sales ratio to establishing what the market thinks about the overall health of a company.

It's no surprise that Ecofibre maintains its low P/S off the back of its sliding revenue over the medium-term. Right now shareholders are accepting the low P/S as they concede future revenue probably won't provide any pleasant surprises either. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

Before you take the next step, you should know about the 4 warning signs for Ecofibre that we have uncovered.

If these risks are making you reconsider your opinion on Ecofibre, explore our interactive list of high quality stocks to get an idea of what else is out there.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team (at) simplywallst.com.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.