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Steepening Yield Curve Upends Traditional Bank Pecking Order

Companies and Markets

By Sean Ryan  |  March 22, 2021

In 2019, we noted that lower interest rates were a net negative for banks under prevailing conditions. Of course, the world is a very different place in 2021 than it was in 2019, and banks are now enjoying a vastly more favorable interest rate environment.

Six-Month Analysis

2-10 Year Treasury Spread

A traditional gauge of how favorable the rate environment is for banks is the spread between two-year and 10-year treasuries. Borrowing short and lending long can be a dangerous game and banks do take steps to align the duration of their funding and their earning assets, but at the end of the day, some of this risk is unavoidable for banks. Over the past two quarters, however, a sharply widening 2-10 spread has delivered a spectacular windfall to bank shareholders.

In the nearly six months from September 30, 2020, through March 9, 2021, the 2-10 spread has more than doubled from just 55 basis points (bps) to a much healthier 138bps. Substantially, all the 83bps widening has come from the higher yield on the 10-year; the two-year yield actually declined by 3bps while the 10-year yield rose 86 bps. The upshot is that banks have been enjoying welcome relief from the grinding pressure on net interest margins.

Since net interest income (NII)—the money banks earn off the spread between their funding costs and asset yields—accounts for roughly two-thirds of the typical bank’s total revenue, this has a big impact on the earnings outlook for banks, and stock prices have reflected that. From September 30 through March 9—while the S&P 500 rose a very healthy 15%—the KBW Nasdaq Bank Index, comprised of 24 large banks, was up by 62%.

Outperformance of 47% in a bit less than six months isn’t shabby, yet even that somewhat understates what the steeper curve is doing for banks.

KBW Nasdaq Regional Bank Index

In contrast, the KBW Nasdaq Regional Bank Index, which is comprised of 50 midsized banks, nearly doubled during the same period—up 95%, outperforming the S&P 500 by 79%. Should one find oneself at dinner with the manager of a regional bank stock portfolio, let him pick up the check; he will know why.  

One-Year Analysis

We live in a multi-factor world, which makes the way the 2-10 spread and the KBW Nasdaq Regional Bank Index have moved in tandem over the past year truly remarkable. As shown in the graph below, the only real deviation is in the first few weeks of the period; it is left as an exercise for the reader to discern why bank stocks may have traded contrary to this pattern in the latter half of March 2020.

KBW Nasdaq Regional Bank Index vs 2Y-10Y Spread

There are many differences between the constituents of each index but the key to the performance differential here is fee revenue, or more accurately, the lack of it. At first glance this is counterintuitive; fee revenue is generally highly prized at banks, and those with more of it traditionally trade at much richer multiples of earnings and tangible book value.

Fee Revenue Valuations Aren’t One-Size-Fits-All

One problem with this commonplace (and normally accurate) view is that not all fee revenue is equally valuable. Asset management generates fee income that can greatly benefit a bank’s valuation, but it is a business that requires scale. Insurance brokerage generates fee revenue for some banks, but publicly traded companies to bank-owned brokers don’t typically trade at any great premium to banks (though the fee revenue still serves to reduce dependence on spread lending and can be countercyclical during weak points in the credit and interest rate cycle).

Mortgage origination is another common source of fee revenue for banks and not only does it tend to fetch a low valuation, but the near-term prospects for the business vary inversely with the 10-year treasury yield; the 86bp increase in the 10-year yield is pure bad news for refinance volumes. Historically, banks also serviced mortgages, which provided a natural hedge since the drop-off in refinance volumes also means fewer of the loans being serviced will prepay, but since the servicing business is so scalable, it has consolidated and far fewer banks now enjoy this income stream.

The real problem with the more-fees-are-better thesis at this point in time, however, is that there is just nothing banks do that benefits as much from the sharply steeper yield curve as old-fashioned spread lending. The difference between business mixes that are largely net interest income dependent and those that are diversified among interest- and fee-generating activities explains the difference between the indices.

Total 2020 Revenues from Net and Non-Interest Income

Among the large-cap banks in the KBW Nasdaq Bank Index are some behemoths that are not especially dependent upon traditional spread lending. Trust/processing banks State Street, Bank of New York Mellon, and Northern Trust represent a combined 10% of the index, and on average, net interest income accounted for just 20% of their total revenues in 2020. The big four universal banks—JPMorgan Chase, Wells Fargo, Bank of America, and Citigroup—account for a combined 32% of the index, and net interest income averaged 53% of their 2020 revenues. All told, the average bank in the index derived 58% of total 2020 revenues from net interest income and 42% from non-interest income.

On the other hand, the 50 banks in the KBW Nasdaq Regional Bank Index derived an average of 79% of total revenues from net interest income and just 21%—half the level of the other index—from non-interest income. Even within that group, one can see some dispersion of performance based on net interest income dependence. The 25 banks with the highest share of net interest income saw their stocks rise by an average of 101%, while shareholders of the bottom 25 enjoyed an average gain of “only” 92%. The top four quintiles all enjoyed average gains ranging from 98% to 108%, but the lowest quintile, comprised of banks with net interest income/total revenue ratios below 70%, returned a comparatively modest 78%. In other words, with a materially higher share of non-interest revenue, their performance was more comparable to the banks in the larger, lagging index.

Regional Banks with Lowest NII Dependence Performed Worst

Conclusion

On average and over time, it surely remains preferable for banks to be less dependent upon spread lending and the vicissitudes of the yield curve. Anyone old enough to recall the savings and loan crisis will need no convincing of this. Yet recent comments emanating from the Federal Reserve, suggesting a desire to both hold short rates lower and see inflation a bit higher, mean this trend may run further. For undiversified traditional lenders, things may get even better, before they (inevitably) get worse.

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Sean Ryan

VP, Principal Content Manager

Sean joined FactSet in 2019 and is based in Norwalk CT.

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