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Why We See Value in Discount Non-Agency RMBS Securities Today

By Blake W. Stanislaw, CFA, Brent Miller, CFA
Fixed Income
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Attractive Entry Point on Discount-Priced RMBS  table showing return potential vs Treasuries

The securities we are focused on are seasoned non-agency RMBS trading at a discount, often in the $80–$90 price range. These bonds typically carry lower coupons—around 3.5% on average—compared to newly-issued RMBS with coupons closer to 5.5%. Importantly, they are priced based on the assumption of persistent, slow prepayment speeds—meaning the market does not expect borrowers to refinance or move anytime soon, reflecting today’s environment of low housing turnover.

However, this conservative pricing creates an asymmetric return profile, where upside return is larger than downside risk. If housing turnover picks up or mortgage rates decline—leading to faster-than-expected mortgage prepayments—we stand to receive principal back at par more quickly than the market is currently anticipating, despite purchasing at a discount. With housing turnover already near historic lows, we view further declines as unlikely. Taking both upside and downside into account, we believe the upside outweighs the downside potential.

Spread Relative Value Remains

From a spread perspective, non-agency RMBS remain attractive, while spreads for most other fixed income sectors are near their tightest decile relative to history. We believe there is room for spread tightening, and positive excess return, especially for investors who are selective in security choice and credit quality.

High Credit Quality and Embedded Structural Protection

We are focusing on AAA and AA rated tranches, where we believe the risk vs reward is most compelling today. These bonds sit at the top of the capital structure and offer substantial protection against credit losses. Beyond structural seniority, these securities are also backed by seasoned mortgages that have benefited from two powerful tailwinds:

  1. Strong home price appreciation since 2020, which has created significant borrower equity.
  2. Ultra-low mortgage rates, which make the loans highly affordable and reduce borrower incentive to default.

Together, these dynamics further insulate our positions against potential home price volatility or economic softening.

Attractive and Upside Optionality

Even in a scenario where spreads, rates, and home prices remain stable, these bonds offer attractive carry relative to comparable agency RMBS. The combination of strong income, credit protection, and upside optionality (via faster-than-expected paydowns or spread tightening) makes this segment of the market particularly appealing in today’s environment.


Download Why We See Value in Discount Non-Agency RMBS Securities Today

Download Why We See Value in Discount Non-Agency RMBS Securities Today

Headshot of Blake Stanislaw

Blake W. Stanislaw, CFA

Client Portfolio Manager, Fixed Income

Blake is a Client Portfolio Manager for Fixed Income strategies. He earned his BS in Business from Indiana University. He is a CFA charterholder and holds the CIPM designation.

Headshot of Brent Miller

Brent Miller, CFA

Vice President, Senior Portfolio Manager, Securitized Products

Brent Miller is Vice President, Senior Portfolio Manager, co-managing the Ultra Short Duration Fixed Income strategy. He received a BS in Mathematics (magna cum laude) from the University of Evansville. He is a CFA charterholder.

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IMPORTANT DISCLOSURES
This publication has been distributed for informational purposes only and should not be considered as investment advice or a recommendation of any particular security, strategy, or investment product. Opinions expressed in this commentary reflect subjective judgments of the author based on the current market conditions at the time of writing and are subject to change without notice. Information and statistics contained herein have been obtained from sources believed to be reliable but are not guaranteed to be accurate or complete. No part of this publication may be reproduced in any form, or referred to in any other publication, without express written permission of Fort Washington Investment Advisors, Inc. Past performance is not indicative of future results.
IMPORTANT DISCLOSURES
Frank Russell Company (FRC) is the source and owner of the Russell Index data contained or reflected in this material and all trademarks and copyrights related thereto. The presentation may contain confidential information pertaining to FRC and unauthorized use, disclosure, copying, dissemination or redistribution is strictly prohibited. This is a Fort Washington presentation of the Russell Index data. Frank Russell Company is not responsible for the formatting or configuration of this material or for any inaccuracy in Fort Washington’s presentation thereof.