KBRA assigns preliminary ratings to 8 classes of mortgage-backed certificates from Morgan Stanley Residential Mortgage Loan Trust 2025-HX1 (MSRM 2025-HX1), a $299.4 million non-prime RMBS transaction. The underlying collateral, comprising of 787 residential mortgages originated by HomeXpress Mortgage Corp., is characterized by a notable concentration of alternative income documentation (90.5%). The majority of the loans are either classified as non-qualified mortgages (Non-QM) (16.7%) or exempt (62.0%) from the Ability-to-Repay/Qualified Mortgage (ATR/QM) rule due to being originated for non-consumer loan purposes.
KBRA’s rating approach incorporated loan-level analysis of the mortgage pool through its Residential Asset Loss Model (REALM), an examination of the results from third-party loan file due diligence, cash flow modeling analysis of the transaction’s payment structure, reviews of key transaction parties and an assessment of the transaction’s legal structure and documentation. This analysis is further described in our U.S. RMBS Rating Methodology.
Related Publications
- RMBS KCAT
- Morgan Stanley Residential Mortgage Loan Trust 2025-HX1 (MSRM 2025-HX1) Tear Sheet
Methodologies
- RMBS: U.S. RMBS Rating Methodology
- Structured Finance: Global Structured Finance Counterparty Methodology
- ESG Global Rating Methodology
Disclosures
Further information on key credit considerations, sensitivity analyses that consider what factors can affect these credit ratings and how they could lead to an upgrade or a downgrade, and ESG factors (where they are a key driver behind the change to the credit rating or rating outlook) can be found in the full rating report referenced above.
A description of all substantially material sources that were used to prepare the credit rating and information on the methodology(ies) (inclusive of any material models and sensitivity analyses of the relevant key rating assumptions, as applicable) used in determining the credit rating is available in the Information Disclosure Form(s) located here.
Further disclosures relating to this rating action are available in the Information Disclosure Form(s) referenced above. Additional information regarding KBRA policies, methodologies, rating scales and disclosures are available at www.kbra.com.
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