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Shareholders in Tullow Oil (LON:TLW) are in the red if they invested three years ago

Tullow Oil plc( LON:TLW ) shareholders should be happy to see the share price up 13% in the last month. But the last three years have seen a terrible decline. To wit, the share price sky-dived 85% in that time. So we're relieved for long term holders to see a bit of uplift. The thing to think about is whether the business has really turned around. We really feel for shareholders in this scenario. It's a good reminder of the importance of diversification, and it's worth keeping in mind there's more to life than money, anyway.

So let's have a look and see if the longer term performance of the company has been in line with the underlying business' progress.

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To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. One imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

Tullow Oil has made a profit in the past. On the other hand, it reported a trailing twelve months loss, suggesting it isn't reliably profitable. Other metrics might give us a better handle on how its value is changing over time.

Arguably the revenue decline of 5.6% per year has people thinking Tullow Oil is shrinking. And that's not surprising, since it seems unlikely that EPS growth can continue for long in the absence of revenue growth.

The graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

earnings-and-revenue-growth
LSE:TLW Earnings and Revenue Growth December 21st 2025

We consider it positive that insiders have made significant purchases in the last year. Having said that, most people consider earnings and revenue growth trends to be a more meaningful guide to the business. So it makes a lot of sense to check out what analysts think Tullow Oil will earn in the future (free profit forecasts) .

A Different Perspective

Tullow Oil shareholders are down 71% for the year, but the market itself is up 26%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 13% over the last half decade. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. To that end, you should be aware of the 2 warning signs we've spotted with Tullow Oil .

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: most of them are flying under the radar).

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

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.

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