Fannie Mae and Freddie Mac sold $12.58 billion of credit risk through their popular back-end risk-transfer deals during 2015, according to a new Inside MBS & ABS tally of new issuance in the Connecticut Avenue Securities and Structured Agency Credit Risk platforms. While that was up 16.8 percent from the total for 2014, observers continue to call for more diversification in the government-sponsored enterprises’ risk-transfer activities, and greater transparency. The Federal Housing Finance Agency “should require...[Includes one data table]