Regional Banks Face Headache From Rising Treasury Yields

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(Bloomberg) -- US Treasury yields have trended up since late last year, and commercial real estate distress risk is straining regional banks’ balance sheets again.

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Stocks are already reacting to the higher borrowing costs. Smaller bank shares have fallen about 8.2% since late November after the 10-year Treasury yield began trending up. The risk of default by borrowers who bought office buildings before the pandemic sent values plummeting also increases when the cost of credit rises.

“Rising long-term yields certainly leave the banking system more fragile in the short run, if more profitable in a base case economic scenario,” said Steven Kelly, associate director of research at the Yale Program on Financial Stability.

A surge in 10-year yields last year likely reversed most of the decline in unrealized losses on banks’ available-for-sale and held-to-maturity securities in the third quarter, Federal Deposit Insurance Corp. Chairman Martin Gruenberg said in a Dec. 12 speech. Even after this past week’s rally after better-than-expected inflation data, the benchmark has since risen about 0.3 percentage points to around 4.58%, adding to the pain for lenders.

If borrowing benchmarks remain high, regional banks risk higher losses on commercial real estate because borrowers will struggle to refinance, said Tomasz Piskorski, a finance and real estate professor at Columbia Business School. He and fellow researchers estimate about 14% of the $3 trillion of US CRE loans are underwater, rising to 44% for offices.

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Smaller lenders are more vulnerable to CRE defaults after demanding lower down payments from borrowers than their larger counterparts in the run up to the interest-rate hikes that began in 2022. Now that office and multifamily values have crashed, the lenders have less of a buffer before taking losses.

The office market has yet to stabilize “which is why we remain concerned and remain well-reserved,” PNC Financial Service Group Chief Executive Officer Bill Demchak said on an earnings call this week. The bank increased the reserves it set aside to cover soured office loans to 13.3%, up from 8.7% at the end of 2023, although it’s a small proportion of their overall book.