The hedging effects of Fannie Mae and Freddie Mac – including instruments bought to protect the value of agency MBS – had different results in the third quarter as interest rates unexpectedly declined and stayed low for several weeks. Overall, Fannie booked $2.6 billion of negative charges against the value of its derivatives in the third quarter, while Freddie booked a much larger charge on its hedging activities: $4.2 billion. The differential did not pass without notice, especially since earlier this month Fannie reported a companywide profit of $2.0 billion and Freddie spilled red ink of $475 million. Even Federal Housing Finance Agency Director Mel Watt chimed in on Freddie’s loss, a rarity for the regulator who usually only issues statements when he has to.