The key factor for TBA investors is prepayment speeds. A quick scan of the FHFA data show that the conditional prepayment rates for UMBS issued by Fannie and those issued by Freddie have remained comparable since the launch of the single security in June.
Production of new MBS and ABS fell in almost every category during the first quarter of 2019, but several markets showed rebounding volume in March, a new Inside MBS & ABS analysis shows. Preliminary estimates indicate that a total of $310.04 billion of MBS and ABS was issued in the first three months of 2019, a 10.3% decline from the previous three-month period. It marked the softest quarter in new issuance since the April-June cycle ... [Includes three data charts]