The mortgage securitization rate through the first half of 2012 was down a few ticks from the record level reached in the first quarter of the year, but the market remained dominated by lending for Fannie Mae, Freddie Mac and Ginnie Mae MBS programs. A huge 91.5 percent of new mortgage originations were financed through the agency MBS programs during the first half of 2012, according to a new Inside MBS & ABS analysis. That’s down from the 95.8 percent securitization rate achieved in the first quarter, but it’s comfortably ahead of the securitization rates posted since the financial crisis of 2008. The sky-high securitization rate is partly due...[Includes one data chart]