Commercial banks reduced their securitized servicing by 1.9 percent during the third quarter, though they still accounted for 52.5 percent of that market.
Chase, which often has wide swings in its monthly GSE activity, increased its Freddie issuance by 46.1 percent from October to November, while reducing its Fannie activity by 2.5 percent.
The third quarter saw a sharp increase in refinance originations that appeared to give a bigger boost to government and conventional-conforming production than the jumbo market got.