Mortgage securitization rates have been moving higher in 2015 as ongoing new issuance catches up with this year’s surge in primary market originations. A new Inside MBS & ABS analysis reveals that 69.2 percent of the loans originated through the first nine months of 2015 have been pooled in residential MBS, up from the 67.8 percent securitization rate for all of last year. The mortgage securitization rate had dropped...[Includes one data table]