Six prime non-agency MBS with newer loans have hit the market along with two expanded-credit deals with older mortgages.

Refinances account for 83.1% of the collateral. The average interest rate is 3.00%, the average credit score 780...

Issuers of non-agency MBS brought four jumbo deals to the market this week. Some shops closed securitizations with esoteric collateral.

Jumbo lending increased a scant 2% in the fourth quarter and held steady on an annual basis in 2020. The sector lost a significant amount of market share as agency refi business boomed. (Includes data chart.)

The volume of jumbo servicing handled by 30 of the top firms in the sector declined by nearly 6% in 2020. The share of borrowers missing payments is increasing. (Includes data chart.)

Prepayments outpaced new production, prompting a decline in jumbo servicing volume.