The New Era of Bank Balance Sheet Management: Understanding the FASB Held-to-Maturity Hedging Update

The Financial Accounting Standards Board is finalizing a proposal, expected in 1Q27, that would allow banks to apply fair value or cash flow hedge accounting to their extensive held-to-maturity securities portfolios, fundamentally reshaping how banks manage interest rate risk. Today, hedging HTM assets creates significant earnings volatility because gains or losses on the derivative flow through the income statement while the HTM asset remains carried at original cost. The new rule eliminates this accounting mismatch by permitting banks to adjust the carrying value of a hedged HTM security in line with fair value changes due to interest rate risk, so the P&L impact from the security offsets the P&L impact from its derivative hedge. Reported net interest margins should therefore better reflect the converted interest rate profile achieved through hedging. The proposal is a catalyst for asset and liability committees to evolve from broad macro-level risk management to precise, surgical he