July is usually a good month for agency MBS issuance when the housing market is strong. In 2018, the fundamentals just weren’t there. Fannie Mae, Freddie Mac and Ginnie Mae guaranteed $101.39 billion of new single-family MBS last month, a disappointing 0.6 percent lower than in June. Purchase mortgages accounted for a substantial 74.4 percent of July issuance, although volume was up just 3.2 percent from June. The housing market ... [Includes two data charts]