Looking Beyond a Single Fixed Income Sector
U.S. Treasury securities can play an important role in fixed income portfolios, providing government-backed principal and interest payments and exposure across a range of maturities. But Treasuries represent only one segment of the broader fixed income market.
For advisors, fixed income diversification beyond Treasuries may involve evaluating how different sectors contribute to a portfolio's income, credit exposure, duration, liquidity, tax considerations, and overall risk profile.
Corporate bonds, municipal securities, agency securities, mortgage-backed securities, and other fixed income investments each have distinct characteristics. Expanding the opportunity set may provide additional portfolio construction options, but it can also introduce risks that differ from those associated with U.S. Treasury securities.
Rather than viewing diversification as simply owning more bonds, advisors may consider how different exposures work together and whether each serves a defined purpose within the client's broader portfolio.
Why Fixed Income Diversification Matters
Fixed income securities do not all respond to market conditions in the same way. Interest rates are one influence, but credit conditions, economic activity, issuer fundamentals, liquidity, and sector-specific developments may also affect performance.
Diversifying across fixed income sectors may provide exposure to different sources of risk and return. However, diversification does not eliminate investment risk or ensure favorable results.
When evaluating a broader fixed income allocation, advisors may consider:
- Credit quality
- Income objectives
- Duration and maturity
- Liquidity
- Tax considerations
- Sector and issuer exposure
These factors may help determine whether an allocation complements the existing portfolio and remains consistent with the client's objectives.
Key Considerations for Diversifying Beyond Treasuries
1. Understanding the Role of Corporate Bonds
Corporate bonds may provide income opportunities beyond those available from comparable-maturity Treasury securities, but that additional yield generally reflects additional risks, including the possibility that an issuer may be unable to meet its obligations.
When evaluating corporate bonds, advisors may consider:
- Issuer credit quality
- Financial condition
- Sector exposure
- Maturity and duration
- Liquidity
- Yield relative to comparable securities
Credit spreads can also change as economic conditions and investor sentiment develop, affecting the market value of corporate bonds.
Higher yields should therefore be considered alongside the additional credit, liquidity, and market risks associated with the investment.
2. Evaluating Municipal Securities
Municipal bonds may be considered for clients seeking income with certain tax characteristics. Interest from some municipal securities may be exempt from federal income tax and, depending on the security and investor's circumstances, state or local taxes.
Tax treatment varies, however, and tax considerations should not be evaluated in isolation.
Advisors may also consider:
- Issuer credit quality
- Revenue sources
- Maturity structure
- Call provisions
- Liquidity
- Tax-equivalent yield
Municipal securities remain subject to credit, interest rate, liquidity, and market risks. Changes in tax laws may also affect their relative attractiveness for certain investors.
3. Considering Agency and Mortgage-Backed Securities
Agency securities and mortgage-backed securities may provide another source of fixed income inclusion, but their structures and risks can differ from traditional corporate or Treasury bonds.
Mortgage-backed securities, in particular, may be affected by changes in homeowner prepayment activity. When interest rates decline, borrowers may refinance mortgages, potentially returning principal to investors sooner than anticipated. When rates rise, prepayments may slow, potentially extending the expected life of the investment.
These characteristics can influence:
- Expected cash flows
- Duration
- Reinvestment risk
- Interest rate sensitivity
- Portfolio income
Understanding the structure of the underlying security may therefore be an important part of determining whether the exposure aligns with client objectives.
4. Managing Sector and Issuer Concentration
Diversification involves more than allocating capital across different fixed income labels.
A portfolio containing several bonds may still have meaningful concentration if those securities share similar issuers, industries, geographic exposures, credit characteristics, or economic sensitivities.
Advisors may evaluate diversification across:
- Issuers
- Industries and sectors
- Credit qualities
- Maturities
- Security types
- Geographic exposures, where applicable
The appropriate level of diversification will vary based on portfolio size, client objectives, risk tolerance, and the securities available.
Diversification may help spread exposure across different investments but does not protect against loss.
5. Aligning Sector Exposure With Client Objectives
The role of each fixed income sector may differ depending on what the client is seeking from the allocation.
One client may prioritize liquidity and capital preservation, while another may place greater emphasis on income, tax considerations, or a defined maturity schedule.
Advisors may therefore evaluate sector exposure alongside:
- Client income requirements
- Risk tolerance
- Investment horizon
- Liquidity needs
- Tax circumstances
- Existing portfolio holdings
The objective is not necessarily to include every available fixed income sector. Instead, fixed income portfolio construction may involve determining which exposures are appropriate for the client's specific circumstances and how they fit together within the broader portfolio.
Building Diversification With Purpose
Looking beyond Treasuries can expand the fixed income opportunity set, but a broader opportunity set does not automatically result in a more appropriate portfolio.
For fixed income for financial advisors, diversification may be most useful when each allocation has a defined role. Corporate bonds may introduce additional credit exposure. Municipal securities may provide different tax characteristics. Agency and mortgage-backed securities may introduce different cash flow and prepayment considerations. Treasuries may continue to serve an important role depending on the client's objectives.
The relative attractiveness of these sectors can also develop as interest rates, credit spreads, economic conditions, and market liquidity shift.
Rather than allocating across sectors solely for the sake of diversification, advisors may consider how each exposure contributes to the portfolio's income, duration, credit quality, liquidity, and overall risk profile.
Discover what fixed income can look like when it’s built around your strategy—where portfolio construction reflects your clients’ goals, timelines, and priorities.
[Start the Conversation]
Final Thoughts
Fixed income diversification beyond Treasuries can introduce additional sources of income, credit exposure, tax characteristics, and portfolio flexibility, but it may also introduce additional risks and complexity.
Corporate, municipal, agency, mortgage-backed, Treasury, and other fixed income securities each have distinct characteristics. No individual sector is appropriate for every client or market environment.
For advisors, diversification may be less about maximizing the number of portfolio holdings and more about understanding the role each exposure is intended to serve. Evaluating sectors alongside client objectives, risk tolerance, liquidity requirements, tax circumstances, and investment horizon may help inform a more deliberate approach to fixed income portfolio construction.
Important Considerations and Risks
Fixed income investments involve risks, including:
- Interest rate risk: Bond prices generally decline when interest rates rise.
- Credit risk: Issuers may fail to meet payment obligations.
- Liquidity risk: Certain securities may be difficult to sell at desired prices.
- Market risk: Market conditions may affect the value of fixed income investments.
- Reinvestment risk: Proceeds from maturing securities or coupon payments may be reinvested at lower yields.
Municipal securities may be subject to additional risks, including changes in tax laws and the financial condition of the issuing municipality. Tax treatment varies based on individual circumstances.
No investment strategy, including those focused on tax-aware portfolio construction, diversification, or portfolio customization, eliminates risk or guarantees results.
Disclosures
This material is provided for informational purposes only and should not be considered investment advice or a recommendation to buy or sell any security.
Fixed income investments are subject to risks, including interest rate risk, credit risk, liquidity risk, and market risk.
Municipal securities may be subject to federal, state, or local taxes under certain circumstances. Investors should consult their tax advisor regarding their individual tax situation.
There is no guarantee that any investment strategy will be successful or achieve its objectives. Investment outcomes will vary based on market conditions and individual portfolio decisions.
Investors should consult their financial professional before making investment decisions.