The last three months have been tough on Bitfarms Ltd. (TSE:BITF) shareholders, who have seen the share price decline a rather worrying 46%. But that doesn't change the fact that the returns over the last five years have been very strong. In fact, the share price is 154% higher today. So while it's never fun to see a share price fall, it's important to look at a longer time horizon. The more important question is whether the stock is too cheap or too expensive today.

Let's take a look at the underlying fundamentals over the longer term, and see if they've been consistent with shareholders returns.

See our latest analysis for Bitfarms

Because Bitfarms made a loss in the last twelve months, we think the market is probably more focussed on revenue and revenue growth, at least for now. When a company doesn't make profits, we'd generally hope to see good revenue growth. As you can imagine, fast revenue growth, when maintained, often leads to fast profit growth.

In the last 5 years Bitfarms saw its revenue grow at 29% per year. That's well above most pre-profit companies. So it's not entirely surprising that the share price reflected this performance by increasing at a rate of 20% per year, in that time. This suggests the market has well and truly recognized the progress the business has made. Bitfarms seems like a high growth stock - so growth investors might want to add it to their watchlist.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

It's probably worth noting we've seen significant insider buying in the last quarter, which we consider a positive. On the other hand, we think the revenue and earnings trends are much more meaningful measures of the business. So we recommend checking out this free report showing consensus forecasts

A Different Perspective

Bitfarms shareholders are down 51% for the year, but the market itself is up 22%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. On the bright side, long term shareholders have made money, with a gain of 20% per year over half a decade. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Case in point: We've spotted 2 warning signs for Bitfarms you should be aware of, and 1 of them is potentially serious.

There are plenty of other companies that have insiders buying up shares. You probably do not want to miss this free list of undervalued small cap companies that insiders are buying.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on Canadian exchanges.

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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.