How Mortgages Can Enhance Investment Returns

Anup Agarwal
Head of MBS/ABS
Bonnie M. Wongtrakool
Portfolio Manager

Executive Summary

  • Residential and commercial MBS add significant yield and diversification benefits, and serve an important role in investors’ overall bond portfolios.
  • The macroeconomic environment remains favorable for MBS.
  • Residential housing is supported by low primary rates, conservative underwriting and muted homebuilder activity, while commercial real estate has benefited from strong foreign demand for real assets.
  • Yields on agency and non-agency MBS are attractive relative to Treasuries and other credit alternatives.
  • Residential and commercial mortgage spreads have historically exhibited lower correlation with equity market returns, a trend that we believe will persist.

At $7.9 trillion in market value, residential and commercial mortgage-backed securities (MBS) comprise over 20% of the US fixed-income universe. By adding significant yield and diversification against other asset classes, residential and commercial MBS play an important role in investors’ overall bond portfolios.

We view the current macroeconomic environment as favorable for MBS. Our outlook is that the US economy will grow at a modest pace, in the area of 1.5%, with consumer spending remaining buoyant while business investment remains sluggish. As a result, the Federal Reserve will maintain a cautious approach to rate normalization, and Treasury yields will remain low and range-bound. Against this backdrop, we see long-term fundamental value in the following areas:

  • Residential Mortgages. Residential mortgages are supported by low primary rates, conservative underwriting and muted homebuilder activity. We are constructive on agency mortgages as a high-quality, liquid alternative to sovereigns as they provide a substantial pickup in yield for both domestic and foreign investors, even net of currency hedging. In the non-agency sector, we are particularly positive on credit risk transfer deals,1 as they trade at attractive spreads compared to other credit alternatives.
  • Commercial Mortgages. The commercial real estate market has benefited from strong capital flows from foreign investors in search of higher-yielding real assets. We expect property values in core metropolitan business districts to remain stable and believe that loss-adjusted yields for commercial MBS, especially in the below-investment-grade sector, are compelling.

In today’s low-rate environment, residential and commercial MBS not only offer substantial yields (Exhibit 1) but also provide diversification against other asset classes. Agency and non-agency residential and commercial mortgage spreads have historically exhibited lower correlation with equity market returns as well as other fixed-income spread products (Exhibit 2), a trend that we believe will persist. If economic growth disappoints going forward, MBS may be less adversely affected than other risk assets, as lower mortgage yields should mitigate the risks of rising delinquencies. Conversely, acceleration in the pace of the economic recovery should further improve debt service ratios and result in tighter spreads.

We believe investors should consider an allocation to residential and commercial mortgages in their portfolios. With over 4 decades of experience in the sector, Western Asset utilizes an active approach towards managing MBS mandates. We believe that rigorous analysis of loan-level characteristics and deal structures are key to maximizing investment returns in the MBS sector, and that an active management approach can add meaningful value to an MBS allocation.

Exhibit 1
Current Spreads for Mortgage and Corporate Asset Classes
how-mortgages-can-enhance-investment-returns-2016-08
Source: BofA, Merrill Lynch Global Research, Markit Partners. As of 30 Jun 16.
Exhibit 2
Sharpe Ratios and Correlations for Western Asset Mortgage Fund Composites
how-mortgages-can-enhance-investment-returns-2016-08
Source: Western Asset. As of 31 May 16.
*Performance shown is gross. Returns for periods greater than 1 year are annualized. The investment policies of these products vary from the Diversified Loan Opportunities Strategy and are, accordingly, not necessarily indicative of the strategy's performance.
1Information provided is supplemental to the Structured Product Levered Composite.
2Information provided is supplemental to the Structured Product Composite.
3Information provided is supplemental to the Agency MBS Plus Aggregate Composite.
4Information provided is supplemental to the Agency MBS Composite.
US MBS = US Mortgage Backed Securities Index, US Broad Fixed-Income = Barclays U.S. Aggregate Index, US Treasury = US Treasury 10-Year Bellwether Index, Hedge Fund Universe = DJ/CS Hedge Fund Index, Emerging Markets = JPM EMBI Global, US High-Yield = US HY 2% Issuer Capped Index, US Equity = S&P 500 TR Index.

Endnotes

  1. Deals brought under Fannie Mae’s Connecticut Avenue Securities (CAS) and Freddie Mac’s Structured Agency Credit Risk (STACR) shelves.
Past results are not indicative of future investment results. Investments are not guaranteed and you may lose money. This publication is for informational purposes only and reflects the current opinions of Western Asset Management. Information contained herein is believed to be accurate, but cannot be guaranteed. Opinions represented are not intended as an offer or solicitation with respect to the purchase or sale of any security and are subject to change without notice. Statements in this material should not be considered investment advice. Employees and/or clients of Western Asset Management may have a position in the securities mentioned. This publication has been prepared without taking into account your objectives, financial situation or needs. Before acting on this information, you should consider its appropriateness having regard to your objectives, financial situation or needs. It is your responsibility to be aware of and observe the applicable laws and regulations of your country of residence.
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