It seems that revisions on several Street prepayment models, as well as the prior week's Freddie Mac report, adequately prepared the MBS market for the Fannie Mae and Ginnie Mae prepayment reports it received last week.

In the end, speeds on 2000 vintage premiums were slightly lower than Street estimates, while Ginnie Maes were slightly higher. Prepayment rates for Fannie Mae mortgage-backed securities increased across the board in the latest report, surpassing the recently reported speeds of comparable Freddie Mac MBS by 1-5 CPR, according to the Bear Stearns Prepayment Commentary.

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