Prepay Commentary

May MBS Prepayment Speeds



Last month we opined that continued lower mortgage rates along with seasonal factors “could point towards faster speeds next month”. This appears to be the case and with speeds released overnight, mortgages saw a broad-based increase in prepayment speeds this month. Regarding speeds next month, right now I think it is reasonable to expect prepays to at least maintain current levels and likely increase. Mortgage rates have only ticked slightly higher since their recent lows and seasonal factors are likely to persist.


Single Security Initiative

In ongoing and upcoming news, June 3rd marks the “Go Live” date for the Single Security Initiative. This is a joint venture between Fannie Mae and Freddie Mac to issue a single, Uniform, TBA-eligible Mortgage Backed Security. Today specifically marks the opening of Freddie Mac’s offer to exchange certain eligible securities for Mirror (UMBS) certificates. If you need a refresher, here is a link to a Strategic Insight authored in March. This will be an ongoing section for the foreseeable future in the Prepay Commentary newsletter.


Notables and Thoughts


Based on the Freddie Mac Primary Mortgage Market Survey, 30- and 15-year fixed-rate mortgage rates are up off recent lows (but not by much), they are still down 80 and 76bps, respectively, from 2018 highs.





(WSJ) Ginnie Mae Moves to Crack Down on Repeated Refinancings

“Ginnie Mae is taking steps to curb repeated mortgage refinancings that it says are hurting both borrowers and investors . . . Its proposal, released on Friday, is aimed at stopping so-called ‘churning,’ a practice in which lenders push borrowers to refinance their home loans over and over in a bid to boost fees to the lenders.”


(Bloomberg) How About Leaving Fannie Mae and Freddie Mac Alone?

“Actually, given the options under consideration, the best approach might be to do nothing at all.”






FNMA Speeds by Vintage Year

FGLMC Speeds by Vintage Year

GNMA Speeds by Vintage Year

Non-Generic Collateral Comparison Tables



Kevin A. Smith, CFA

SVP, Director Investment Product Strategies

Vining Sparks

KSmith@viningsparks.com


Adam Hofer

Analyst, Investment Product Strategies

Vining Sparks

AHofer@viningsparks.com


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