The Federal Housing Finance Agency is soon expected to launch an intense debate on the pricing of Fannie Mae and Freddie Mac MBS guaranties that could broaden the credit box and shape how much business the government-sponsored enterprises do. Bob Ryan, a special advisor to the FHFA, said that the agency hopes to come out with its “request for information” on guaranty fees in the near future. During a panel session at the Mortgage Bankers Association Secondary Market Conference in New York City, he said the FHFA has been working closely with the two GSEs on the factors that go into their g-fee calculations. “Folks need...