Fannie Mae and Freddie Mac reported a combined $1.485 billion in net income for the third quarter of 2015, a hefty 83.1 percent decline from the previous period. While Fannie reported its 15th consecutive profitable quarter ($1.96 billion in net income), Freddie posted its first loss ($475 million) in four years. Don Layton, Freddie’s CEO, said that earnings volatility “stems from our usage of derivatives to hedge interest rate risks and accounting mismatches associated with the activity. This quarter showed a continuation of that volatility as the accounting mismatch produced a negative $1.5 billion [generally accepted accounting principles] earnings, which was enough to tip us into the comprehensive income loss of about $500 million for the quarter. “Utilizing a derivatives hedging strategy can result...