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F-3-23, Acronyms and Glossary of Defined Terms: W (11/12/2014)

weighted-average pool accrual rate

The weighted average of the net mortgage interest rates of the mortgage loans in a weighted-average ARM MBS pool, which is the rate at which interest will accrue on the MBS.

weighted-average structure pooling

A method of creating an ARM MBS pool that results in interest accruals to the security holder at the weighted average of the accrual rates of the mortgage loans in the pool.

whole loan delivery

The submission of a whole mortgage or a participation pool mortgage to Fannie Mae for purchase as a portfolio mortgage. Fannie Mae pays the mortgage seller cash for its mortgage delivery, rather than swapping the mortgage for a MBS.