Despite an already strong run, Lemonade, Inc. (NYSE:LMND) shares have been powering on, with a gain of 31% in the last thirty days. The last month tops off a massive increase of 139% in the last year.

Since its price has surged higher, when almost half of the companies in the United States' Insurance industry have price-to-sales ratios (or "P/S") below 1.1x, you may consider Lemonade as a stock not worth researching with its 6.1x P/S ratio. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's so lofty.

How Has Lemonade Performed Recently?

With revenue growth that's superior to most other companies of late, Lemonade has been doing relatively well. 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.

Keen to find out how analysts think Lemonade's future stacks up against the industry? In that case, our free report is a great place to start.

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

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

Retrospectively, the last year delivered an exceptional 22% gain to the company's top line. The latest three year period has also seen an incredible overall rise in revenue, aided by its incredible short-term performance. So we can start by confirming that the company has done a tremendous job of growing revenue over that time.

Shifting to the future, estimates from the eight analysts covering the company suggest revenue should grow by 30% per annum over the next three years. Meanwhile, the rest of the industry is forecast to only expand by 5.2% per year, which is noticeably less attractive.

With this in mind, it's not hard to understand why Lemonade's P/S is high relative to its industry peers. It seems most investors are expecting this strong future growth and are willing to pay more for the stock.

The Bottom Line On Lemonade's P/S

Lemonade's P/S has grown nicely over the last month thanks to a handy boost in the share price. 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.

As we suspected, our examination of Lemonade's analyst forecasts revealed that its superior revenue outlook is contributing to its high P/S. At this stage investors feel the potential for a deterioration in revenues is quite remote, justifying the elevated P/S ratio. Unless the analysts have really missed the mark, these strong revenue forecasts should keep the share price buoyant.

There are also other vital risk factors to consider before investing and we've discovered 3 warning signs for Lemonade that you should be aware of.

If strong companies turning a profit tickle your fancy, then you'll want to 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.