Personal Finance

What Is Bank of America’s Cost of Capital?

BAC Return on Equity (Annual) Chart
BAC Return on Equity (Annual) Chart

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Bank of America's cost of capital

This begs an important question for current and prospective investors in Bank of America: Given the drop in its profitability, is the North Carolina-based bank still earning its cost of capital?

Veteran bank analyst Dick Bove estimated last year that Bank of America's cost of capital equated to a 12.2% return on equity. This implies that Bank of America is coming up short of the mark. But on the bank's latest conference call its CEO Brian Moynihan claimed that it is earning its cost of capital. Referring to Bank of America's four operating segments, Moynihan said that "each business segment played a role in driving our earnings growth in 2016. The businesses are producing good efficiency ratios and returns above the firm's cost of capital."

It's important to be clear that Moynihan wasn't referring to Bank of America's overall return, just to each of its four operating segments. These generated returns on average allocated capital of between 10% on the low end and 21% on the high end last year. Critically, however, Moynihan left out the bank's All Other segment, which handles administrative and risk-related tasks. This unit lost money last year -- $1.6 billion to be precise.


Data source: Bank of America's , slide 3.

Data source: Bank of America's 4Q16 earnings presentation , slide 3.

To a certain extent, this means that both Bove and Moynihan could be right. Bove could be right that the bank overall isn't earning its cost of capital, while Moynihan could be right that its four operating units are earning their costs of capital. Though, there's still the issue of its Global Markets segment, which earned only 10% on its allocated capital, which is obviously below Bove's estimate.

What this implies is that Bank of America believes its cost of capital is less than 10%. It has to be or else Moynihan lied on the last conference call. He could have, of course, but I doubt it. As someone who's followed Bank of America closely for most of Moynihan's tenure as CEO, I can tell you that he doesn't come across as the type of person that would do that. And if he did, I doubt that someone as sophisticated as Warren Buffett would say the nice things about Moynihan that he has over the last few years.

My point is that there's a discrepancy between what Bank of America and analysts estimate its cost of capital to be. Is it 12% like Bove believes? Or is it around 10% like Bank of America claims?

Calculating cost of capital

To answer this, let's just calculate Bank of America's cost of capital for ourselves. Here's the formula to do so:


And here it is after plugging in the numbers:

If you do the math, this suggests that Bank of America's cost of capital is 11.7% -- i.e., closer to Bove's estimate than to Bank of America's.

Necessary caveats

This doesn't mean that Bank of America is being dishonest, because there is room to honestly manipulate this figure. For example, it depends on what you consider to be the risk-free rate of return. I define it as the current yield on the 10-year Treasury note, as I said above. But you could just as well define it as the yield on 3-month Treasury bill, which is lower.

Which of these you use depends on what type of investor you are. If you're a long-term investor, as we tend to be at The Motley Fool, then you'd want to go with the 10-year note. But if you're a trader, the 3-month T-bill is appropriate.

You could also use a different estimate of Bank of America's beta, which compares the volatility of its stock to the volatility of the broader market. I'm using 1.3, its three-year beta. But you could choose instead to use its five-year beta of 1.6 or its one-year beta of 2.5.

Or you could disagree about the long-run rate of return on stocks. I estimate it to be around 9.5% going back to 1928 based on data from the NYU Stern School of Business. But depending on the timeframe, this could be lower or higher.

The point being, there's a lot of room for interpretation when it comes to calculating cost of capital. But that said, it looks to me like Bank of America's cost of capital is 11.7% -- which, perhaps not coincidentally, is just under Bank of America's goal of returning 12% on its tangible common equity.

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John Maxfield owns shares of Bank of America. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy .

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.

The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.

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