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Basics of Fannie Mae MBS
In Basics of Fannie Mae MBS
Basics of MBS Market & Pools
Basics of Fixed-Rate MBS
Basics of Adjustable-Rate (ARM) MBS
Basics of Fannie Mae Megas
Basics of Fannie Mae Grantor Trusts
Basics of REMICs
Basics of SMBS
ARM Structure

Fannie Mae Adjustable-Rate Mortgage (ARM) MBS features the following:
  • Cash flows to the investor are generally passed through in 25 days.
  • The Fannie Mae ARM MBS pass-through rate is reset in response to the interest rate changes on the mortgages in the pool.
  • Guaranty of principal and interest: Fannie Mae guarantees timely payment of both principal and interest for all Fannie Mae ARM MBS.
  • Variety of products: Fannie Mae offers a variety of adjustable-rate products. These products can be combined to create larger pools with unique investment characteristics.