Fannie Mae's Book of Business increased at a compounded annual rate of 1.6 percent in October, to a value of $3.200 trillion compared to $3.195 trillion in September. The Book has increased by 2.1 percent year-to-date, and gained 1.4 percent for all of 2016.

The company's mortgage portfolio had a balance of $235.779 billion at the end of the month.  This was composed of $182.640 billion in mortgage loans, $47.824 billion in Fannie Mae MBS, $1.610 billion in non-Fannie Mae mortgage securities which were agency and $3.705 billion in non-agency securities.

Purchases into the Mortgage Portfolio during the month amounted to $23.756 billion for a total of $245.837 billion for the year through October.  Sales for the month totaled $30.133 billion and liquidations $2.977 billion, for year-to-date numbers of $246.854 billion and $35.558 billion respectively.

The company issued $46.263 billion in guaranteed securities and mortgage loans during the month bringing the year's total so far to $479.703 billion.  Issuances in all of 2016 totaled $637.84 billion. There were liquidations of $38.099 billion for an ending balance of $2.997 trillion, a decline of 15.8 percent on an annualized basis.

The overall delinquency rate in Fannie Mae's conventional single-family portfolio was 1.01 percent, unchanged from September. The multi-family portfolio delinquency rate ticked up 2 basis points to 0.05 percent.  The company completed 7,293 loan modifications during the month, nearly 1,300 more than in September.