iRhythm Technologies, Inc. (NASDAQ:IRTC) shares have had a really impressive month, gaining 30% after a shaky period beforehand. Longer-term shareholders would be thankful for the recovery in the share price since it's now virtually flat for the year after the recent bounce.

Since its price has surged higher, iRhythm Technologies' price-to-sales (or "P/S") ratio of 4.6x might make it look like a sell right now compared to the wider Medical Equipment industry in the United States, where around half of the companies have P/S ratios below 3.3x and even P/S below 1.2x are quite common. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's as high as it is.

What Does iRhythm Technologies' Recent Performance Look Like?

iRhythm Technologies certainly has been doing a good job lately as it's been growing revenue more than most other companies. It seems the market expects this form will continue into the future, hence the elevated P/S ratio. However, if this isn't the case, investors might get caught out paying too much for the stock.

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

How Is iRhythm Technologies' Revenue Growth Trending?

iRhythm Technologies' P/S ratio would be typical for a company that's expected to deliver solid growth, and importantly, perform better than the industry.

If we review the last year of revenue growth, the company posted a terrific increase of 18%. Pleasingly, revenue has also lifted 75% in aggregate from three years ago, thanks to the last 12 months of growth. Accordingly, shareholders would have definitely welcomed those medium-term rates of revenue growth.

Turning to the outlook, the next three years should generate growth of 19% each year as estimated by the twelve analysts watching the company. With the industry only predicted to deliver 9.3% each year, the company is positioned for a stronger revenue result.

In light of this, it's understandable that iRhythm Technologies' P/S sits above the majority of other companies. It seems most investors are expecting this strong future growth and are willing to pay more for the stock.

The Bottom Line On iRhythm Technologies' P/S

iRhythm Technologies' P/S is on the rise since its shares have risen strongly. Using the price-to-sales ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

As we suspected, our examination of iRhythm Technologies' analyst forecasts revealed that its superior revenue outlook is contributing to its high P/S. It appears that shareholders are confident in the company's future revenues, which is propping up the P/S. Unless these conditions change, they will continue to provide strong support to the share price.

It is also worth noting that we have found 1 warning sign for iRhythm Technologies that you need to take into consideration.

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.