The securitization rate for non-agency jumbo mortgages more than doubled on an annual basis in 2024. And the non-agency MBS share of originations of expanded-credit mortgages increased. (Includes data table.)
New issuance was up in all the major food groups last year: residential MBS, commercial MBS and ABS. But overall quarterly volume slipped late in 2024.
The securitization rate for residential mortgages hit an estimated 68.6% in the third quarter, as more conventional-conforming loans flowed into GSE MBS.