November prepayments were slightly faster than projected, although speeds overall remained fairly benign considering current mortgage rate levels.  

For example, speeds were expected to rise around 2% to 3% on average on conventional 30-year mortgages, but were up 5% on FNMAs primarily because of the somewhat faster speeds on 4s through 5s and 6s, while FHLMC Golds increased nearly 7% with faster speeds across the stack. 

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