Issuance of mortgage-backed securities backed by newly originated nonprime mortgages increased in the first quarter of 2017, according to Inside Nonconforming Markets. An estimated $411.36 million in nonprime MBS was issued during the quarter, a 23.2 percent increase from the previous quarter. And no nonprime MBS was issued during the first quarter of 2016. Issuance in the first quarter of this year marked the second best quarter for volume since nonprime MBS activity ...