Surging long‑term Treasury yields are reshaping the banking landscape, rewarding institutions with stable deposits and short‑duration assets while exposing those with fixed‑rate books and fragile funding.

Watching Treasury Secretary Scott Bessent’s Treasury buybacks unfold takes me back to my years in the Foreign Exchange Group at the Federal Reserve Bank of New York. No matter how aggressively foreign central banks intervened to prop up their currencies, they could never overpower the market. Buying back Treasuries is different, but the lesson is the same: neither the Treasury nor the Fed can bend the trajectory of yields unless markets believe them.

Yields are surging for reasons outside the Fed’s control: the scale of U.S. debt, the war in Iran and tariff uncertainty. None of these has been resolved, and legislators should remember that all three are their responsibility, not the Fed's.

Banks Face A Mixed Blessing

High Treasury yields are a mixed blessing for banks. The critical distinction is between short-term rates and long-term yields. Today’s unusually high long-end yields matter because they touch nearly every part of a bank's balance sheet: capital-markets portfolios, capital ratios, mortgage lending and the cost of long-term borrowing.

Banks Earn More On New Assets

If a bank makes a new commercial loan at 7%, buys a Treasury at 5% or originates a mortgage at a higher rate, it earns far more than it did in the low-rate years, lifting net interest income and, potentially, net interest margin.

Higher rates generally boost bank interest income, since floating-rate........

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