Most readers would already be aware that Potbelly's (NASDAQ:PBPB) stock increased significantly by 10% over the past three months. Since the market usually pay for a company’s long-term fundamentals, we decided to study the company’s key performance indicators to see if they could be influencing the market. Specifically, we decided to study Potbelly's ROE in this article.

Return on Equity or ROE is a test of how effectively a company is growing its value and managing investors’ money. In simpler terms, it measures the profitability of a company in relation to shareholder's equity.

Check out our latest analysis for Potbelly

How Do You Calculate Return On Equity?

The formula for return on equity is:

Return on Equity = Net Profit (from continuing operations) ÷ Shareholders' Equity

So, based on the above formula, the ROE for Potbelly is:

77% = US$37m ÷ US$48m (Based on the trailing twelve months to June 2024).

The 'return' refers to a company's earnings over the last year. One way to conceptualize this is that for each $1 of shareholders' capital it has, the company made $0.77 in profit.

What Is The Relationship Between ROE And Earnings Growth?

So far, we've learned that ROE is a measure of a company's profitability. We now need to evaluate how much profit the company reinvests or "retains" for future growth which then gives us an idea about the growth potential of the company. Generally speaking, other things being equal, firms with a high return on equity and profit retention, have a higher growth rate than firms that don’t share these attributes.

Potbelly's Earnings Growth And 77% ROE

Firstly, we acknowledge that Potbelly has a significantly high ROE. Secondly, even when compared to the industry average of 17% the company's ROE is quite impressive. Under the circumstances, Potbelly's considerable five year net income growth of 51% was to be expected.

Next, on comparing with the industry net income growth, we found that Potbelly's growth is quite high when compared to the industry average growth of 29% in the same period, which is great to see.

The basis for attaching value to a company is, to a great extent, tied to its earnings growth. What investors need to determine next is if the expected earnings growth, or the lack of it, is already built into the share price. This then helps them determine if the stock is placed for a bright or bleak future. Is PBPB fairly valued? This infographic on the company's intrinsic value has everything you need to know.

Is Potbelly Making Efficient Use Of Its Profits?

Potbelly doesn't pay any regular dividends to its shareholders, meaning that the company has been reinvesting all of its profits into the business. This is likely what's driving the high earnings growth number discussed above.

Conclusion

In total, we are pretty happy with Potbelly's performance. Particularly, we like that the company is reinvesting heavily into its business, and at a high rate of return. Unsurprisingly, this has led to an impressive earnings growth. That being so, according to the latest industry analyst forecasts, the company's earnings are expected to shrink in the future. To know more about the company's future earnings growth forecasts take a look at this free report on analyst forecasts for the company to find out more.

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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.