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Prepayment speeds can be expressed in SMM (single monthly mortality), CPR (conditional prepayment rate, which is the annually compounded SMM), or PSA (percentage of the Public Securities Association prepayment model). For mortgages at least 30 months old, 100% PSA = 6.0% CPR = 0.51% SMM, equivalent to the full prepayment of 6% of a pool's ...
Variations of the model are expressed in percent, e.g., "150% PSA" means a monthly increase of 0.3% in the annualized prepayment rate, until the peak of 9% is reached after 30 months. The months thereafter have a constant annualized prepayment rate of 9%. 1667% PSA is roughly equivalent to 100% prepayment rate in month 30 or later.
Since prepayments typically rise as interest rates fall and vice versa, the basic (pass-through) MBS typically has negative bond convexity (second derivative of price over yield), meaning that the price has more downside than upside as interest rates vary. The MBS-holder's exposure to borrower prepayment has several names: call risk; extension risk
A mortgage-backed security (MBS) is a type of asset-backed security (an "instrument") which is secured by a mortgage or collection of mortgages. The mortgages are aggregated and sold to a group of individuals (a government agency or investment bank) that securitizes, or packages, the loans together into a security that investors can buy.
Police have issued an e-fit image as part of a renewed appeal to identify a man found dead in a canal 14 years ago. The man's body was found in the Fazeley Canal in Erdington, Birmingham, at about ...
Nelly Furtado is ignoring the popular "New Year, New Me" mantra!. On Sunday, Jan. 5, the singer, 46, shared two photos of herself on Instagram wearing a bright orange bikini alongside an inspiring ...
Residential mortgage-backed security (RMBS) are a type of mortgage-backed security backed by residential real estate mortgages. [1]Bonds securitizing mortgages are usually treated as a separate class, making reference to the general package of financial agreements that typically represents cash yields that are paid to investors and that are supported by cash payments received from homeowners ...
Vessels of Russia's so-called shadow tanker fleet will be boarded or put on a sanctions list if they do not provide proof of insurance, Estonia's prime minister said on Tuesday. 'Shadow fleet ...