News & Insights
Understanding Today’s Interest Rate Risk Environment
By: Steven Houle, CFA, FRM VP Asset Management, Chief Compliance Officer
Jun 15, 2026

Managing interest rate risk (IRR) feels more difficult than it used to. IRR has always been a core responsibility for credit union management, but what has changed is how quickly conditions can shift and how little margin for error exists when they do.

Over the past several years, credit union balance sheets have been exposed to:

  • Rapid rate increases
  • A sharp reversal in rate expectations
  • Uncertainty around the future path, timing and volatility of rates

Each shift has forced institutions to reassess not only where risk exists but how it is managed.

A less predictable rate environment

In prior cycles, rate changes tended to be gradual, directional and easier to incorporate into long term planning. Today’s environment has been different.

Rates can move quickly, pause unexpectedly and reverse direction with little warning. Yield curves can flatten, invert and re steepen in relatively short periods of time. As a result, precision matters more than prediction.

For credit unions, this means traditional assumptions around repricing, optionality and member behavior are being tested more frequently and more severely.

Deposit behavior has become a bigger variable

IRR does not exist in isolation. It is closely tied to liquidity and funding dynamics, particularly deposit behavior.

Many credit unions are navigating:

  • Faster repricing of nonmaturity shares
  • Increased competition for deposits
  • Greater sensitivity to rate differentials

These shifts make it more difficult to rely on historical beta assumptions and increase the importance of understanding how funding reacts under stress.

Asset mix and duration still matter - but with new trade offs

On the asset side, many credit unions hold meaningful exposure to:

  • Long term fixed rate mortgage loans
  • Fixed rate investments purchased during lower rate environments
  • Adjustable rate assets that reprice quickly in volatile conditions

Each of these assets serves a strategic purpose, but each also contributes differently to interest rate sensitivity, earnings volatility and capital outcomes.

Managing these exposures often involves tradeoffs between growth, earnings, liquidity and risk.

The strategic shift: from forecasting to flexibility

As uncertainty has increased, many management  teams have shifted their focus away from trying to forecast rates accurately and toward a different question: “How resilient is our balance sheet if rates move in ways we don’t expect?”

This shift reflects a broader evolution in interest rate risk management, moving away from directional positioning and toward structural resilience, and replacing static assumptions with more adaptable frameworks.
The goal is no longer to be “right” about rates. it is to be prepared.

Why this conversation matters now

IRR touches nearly every aspect of a credit union’s financial performance, including:

  • Net interest margin
  • Earnings stability
  • Liquidity management
  • Capital strength
  • Growth capacity

In an environment where uncertainty is elevated, how risk is managed becomes just as important as how much risk is taken.

This is why many credit unions are reassessing not only their exposure, but the tools and strategies they rely on to manage it.

Key takeaway

Interest rate risk hasn’t changed. The environment has.

Today’s challenge is less about predicting what comes next and more about ensuring the balance sheet has flexibility, precision and resilience to perform across a wide range of outcomes.
Understanding the environment is the first step. Choosing how to respond comes next.

Want to go deeper?

Watch our recent Derivatives Symposium on demand to explore how credit unions are approaching today’s rate environment. You can also sign up for our upcoming Derivatives Snapshot for timely insights and practical strategies. 

Let’s connect

If you’re evaluating your interest rate risk strategy, we’re here to help. Contact us to start the conversation.