Public Securities Association Standard Prepayment Model

One of several ways to calculate changes to the prepayment rate on a mortgage-backed security. The PSA model assumes that the prepayment rate will increase 0.2% per month for the first 30 months of the life of the MBS. Obviously, this will change the expected yield of the security. If prepayment rate changes at a different pace, the PSA model expresses this as a percentage of the 0.2%. For example, a change of 0.2% is 100%, while a change of 0.4% is 200%.

单词	public securities association standard prepayment model
释义	Public Securities Association Standard Prepayment Model Public Securities Association Standard Prepayment Model One of several ways to calculate changes to the prepayment rate on a mortgage-backed security. The PSA model assumes that the prepayment rate will increase 0.2% per month for the first 30 months of the life of the MBS. Obviously, this will change the expected yield of the security. If prepayment rate changes at a different pace, the PSA model expresses this as a percentage of the 0.2%. For example, a change of 0.2% is 100%, while a change of 0.4% is 200%.
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