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Article January 29, 2026

Mastering Treasury and ALM in a World of Fluctuating Interest Rates

Mastering Treasury and ALM in a World of Fluctuating Interest Rates

Mark Norman, Head of Content

In an era of volatile interest rates, effective treasury and asset-liability management (ALM) is critical to maintaining profitability. Financial institutions must balance net interest income with risk exposure, align assets and liabilities, and leverage

Fluctuating interest rates have become a defining feature of the global financial landscape, challenging banks, credit unions, and other financial institutions to uphold profitability while managing risk.

Interest rate changes influence both the earnings and economic value of a firm’s balance sheet, making proactive treasury and asset-liability management (ALM) indispensable.

At its core, interest rate risk arises when the timing or magnitude of rate changes affects the cash flows and valuations of assets and liabilities differently.

For example, rising rates can increase borrowing costs and reduce the market value of long-term securities, while falling rates may compress net interest margins (NIM) and earnings.

Effective ALM seeks to identify, quantify, monitor, and mitigate these risks before they erode profitability.

One fundamental objective of sound ALM is to manage the asset-liability mismatch - a situation where the cash flows, repricing schedules, or maturities of assets and liabilities do not align.

This mismatch can expose an institution to losses if interest rate movements are abrupt or sustained.

Techniques such as duration matching, where the duration of assets is balanced with that of liabilities to reduce sensitivity to rate changes, help to minimize these imbalances.

Treasury departments play a pivotal role in steering an institution through interest rate volatility by shaping funding strategies, managing liquidity buffers, and optimizing the mix of rate-sensitive instruments.

Today’s treasurers leverage advanced analytics, real-time data, and scenario analysis to assess how rate shifts might impact net interest income (NII) and the broader balance sheet.

Integrating treasury and ALM allows for a holistic view of risk that connects funding costs, pricing strategies, and profitability targets.

Net interest income - the difference between interest earned on assets such as loans and securities and interest paid on liabilities like deposits and borrowings - remains a cornerstone of bank profitability.

In a rising-rate environment, asset-sensitive institutions often benefit as loan yields increase faster than funding costs. However, when rates fall, margins can compress sharply, necessitating agile ALM adjustments to protect earnings.

Tools used in this context include gap analysis, earnings at risk (EAR), and valuation models that reflect long-term value changes in portfolios.

To manage rate risk effectively, institutions also deploy derivative hedging strategies such as interest rate swaps, futures, and options.

These instruments enable firms to lock in funding costs, transfer risk exposures, and protect future cash flows.

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