Subordinated debt can offer a unique investment opportunity with benefits unlike most other asset classes , but for many credit unions, subordinated debt is still an unfamiliar investment option. For those willing to do the work, subordinated debt can offer attractive yields, portfolio diversification and a way to support the broader credit union movement. At the same time, it introduces unique risks that require thoughtful analysis and preparation.

While subordinated debt has become more common as a capital tool for issuing credit unions, it’s important to understand the investment side as well, including  how the investment process works, what steps are required before purchasing and the key risks credit unions should consider.

What is subordinated debt?

Subordinated debt is an unsecured, uninsured obligation issued by a credit union. From an investor’s perspective, it ranks below all other liabilities but above retained earnings in the capital structure. In a stress or liquidation scenario, subordinated debt absorbs losses before the Share Insurance Fund, meaning investors are exposed to the full credit risk of the issuing institution. Because of this loss position, subordinated debt typically offers a higher yield than traditional credit union investments, with spreads driven by market conditions, issuer strength, capital levels and earnings capacity. Typical spreads range from 200 to 400 basis points over the 10 year U.S. Treasury. 

Who can invest?

Subordinated debt is not always the right fit for every credit union. Regulatory requirements generally include:

• Maintaining strong capital levels
• No outstanding subordinated debt issued
• Written investment policies and board approval
• Meeting accredited investor requirements and certifications

Investment limits also apply. Maximum exposure is generally constrained to the lesser of a percentage of net worth or net worth above regulatory thresholds, reinforcing the need for deliberate sizing and diversification.

What to expect from the investment process  

For credit unions new to this asset class, the process is more involved than purchasing a traditional bond or agency security.

It typically begins with policy development and board education. Before any offering is reviewed, management should ensure the investment policy explicitly permits subordinated debt, defines risk tolerances and outlines due diligence expectations.

Once a deal is available, the focus shifts to credit analysis. Unlike agency or government-backed securities, the value of subordinated debt depends entirely on the issuing credit union’s financial strength. Investors should review earnings trends, capital ratios, asset quality, liquidity, growth plans and repayment capacity, often using multi-year projections provided as part of the offering.

Finally, assuming internal approval, the investment is executed and monitored like any other long-term credit exposure, with ongoing financial reviews of the issuer.

Key risks to understand

Subordinated debt carries risks that differ meaningfully from traditional credit union investments.

Credit risk is the most significant. These notes are unsecured and uninsured and in a failure scenario, investors can experience a partial or total loss. Strong underwriting and issuer selection are essential.

Liquidity risk is also important. Most subordinated debt carries a final maturity of ten years and there is a limited secondary market. While sales are possible, they may take time and involve wide bid-ask spreads.

Regulatory risk should not be overlooked. Changes in issuer eligibility, capital treatment or supervisory expectations can affect both the issuer and investor over the life of the note.

Interest rate risk tends to be more straightforward than with mortgage-backed securities. Cash flows are predictable and not subject to extension or contraction, but longer maturities still introduce duration exposure that should be evaluated within the overall balance sheet strategy.

From consideration to strategy 

Subordinated debt, despite its complexity, can play a valuable role in a well-diversified investment portfolio. The enhanced yields offered in subordinated debt investing can play a meaningful role in maximizing return on assets while it also expands exposure from consumer and mortgage credit risk to institutional credit risk. For credit unions with strong capital, thoughtful governance and the ability to perform credit analysis, subordinated debt can be a compelling complement to more traditional investments.

Connect with Catalyst’s subordinated debt experts to explore how this strategy can align with your credit union’s goals and position you for what’s ahead. 

Important Disclosures:

"Catalyst" is a brand name for the financial services business conducted by Catalyst Corporate Federal Credit Union ("Catalyst"), both directly and through its subsidiaries, including CUSOURCE, LLC, d/b/a Catalyst Strategic Solutions ("CSS"). Balance sheet management services and asset liability management services are offered through CSS, a SEC registered investment adviser. CSS is a separate entity from Catalyst and all investment decisions are made independently by CSS employees. Neither Catalyst nor CSS provide its clients with legal, tax or accounting advice.