Bank bond losses are putting pressure on US lenders’ portfolio decisions after the 10-year Treasury yield recorded its sharpest quarterly rise since 1994 in the third quarter of 2026. Bank of America’s unrealized bond portfolio losses reached $109 billion at the end of September, up from $85 billion at the end of June.

Key Takeaways

  • The rise in the 10-year Treasury yield can reduce the market value of existing bonds.
  • Fifth Third delayed a planned share repurchase in September after higher rates affected an accounting measure of unrealized gains and losses.
  • Selling securities could allow banks to reinvest at higher yields, but would also turn unrealized losses into realized losses.

Bank bond losses and the Treasury yield rise

Bond prices generally move in the opposite direction to yields: when yields rise, older securities with lower interest payments become less attractive relative to newly issued bonds.

Across the banking industry, accumulated other comprehensive income, or AOCI, was negative $156.64 billion in the second quarter of 2026, according to S&P Global Market Intelligence data. The measure includes unrealized gains and losses on certain securities. It had improved significantly from 2023 levels, but the subsequent rise in yields could deepen losses.

Most of Bank of America’s securities were classified as held to maturity, meaning the bank does not intend to sell them before maturity. That classification can keep certain market-value fluctuations out of earnings, subject to accounting requirements.

The choices facing lenders

Banks must weigh the immediate cost of selling securities at a loss against the potential income from reinvesting in higher-yielding assets. Holding the securities avoids crystallizing those losses through a sale, but their lower market values can still matter for liquidity and capital planning.

Bank of America’s third-quarter supplemental filing shows its accumulated other comprehensive loss increased to $15.270 billion at September 30 from $12.033 billion at June 30. AOCI is a separate measure from the bank’s reported unrealized bond portfolio losses.

Buybacks and capital rules

Fifth Third Bancorp delayed a planned share repurchase in September after the rise in interest rates affected its AOCI. Wells Fargo has also indicated that rates and their effect on investment holdings will influence future buybacks.

Truist Financial has been repositioning its securities portfolio and sees scope for further sales, although the pool it can sell strategically is limited. Truist and PNC Financial Services Group are also considering potential implications of Basel III capital requirements as they assess their holdings and capital management.

Read More News

More FinanceVelix news

Disclaimer

This FinanceVelix article provides general information, not personalized financial, investment, legal, or tax advice. Market prices, interest rates and economic conditions can change; investments carry a risk of loss. Facts reflect the material available when published and may change. Check important information independently and consult a qualified professional when needed. Mentioning an asset, company, or service is not an endorsement.