Roughly 27 percent of outstanding Ginnie Mae MBS pools are eligible for the FHA’s revised streamline refinancing program, which could translate to $36 billion in new annual Ginnie Mae issuance, according to a report from Barclays Research. Barclays analysts estimated that about $293.0 billion of Ginnie Mae’s $1 trillion-plus 30-year loan pools were originated before May 2009. About 79 percent of the collateral backing these pools are FHA loans, which suggests that as much as $232.0 billion could qualify...