Single Month Mortality Formula

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Single Month Morality refers to the prepayment rate of a loan pool for a single month. Check FAQs
SMM=PFMBMBM-SPR
SMM - Single Month Morality?PFM - Prepayment for a Month?BMBM - Beginning Mortgage Balance for Month?SPR - Scheduled Principal Repayment for Month?

Single Month Mortality Example

With values
With units
Only example

Here is how the Single Month Mortality equation looks like with Values.

Here is how the Single Month Mortality equation looks like with Units.

Here is how the Single Month Mortality equation looks like.

1.294Edit=6580Edit6030Edit-945Edit
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Single Month Mortality Solution

Follow our step by step solution on how to calculate Single Month Mortality?

FIRST Step Consider the formula
SMM=PFMBMBM-SPR
Next Step Substitute values of Variables
SMM=65806030-945
Next Step Prepare to Evaluate
SMM=65806030-945
Next Step Evaluate
SMM=1.29400196656834
LAST Step Rounding Answer
SMM=1.294

Single Month Mortality Formula Elements

Variables
Single Month Morality
Single Month Morality refers to the prepayment rate of a loan pool for a single month.
Symbol: SMM
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Prepayment for a Month
Prepayment for a Month refers to the amount of principal on a loan or a pool of loans that is paid off ahead of the scheduled payments within a specific month.
Symbol: PFM
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Beginning Mortgage Balance for Month
Beginning Mortgage Balance for Month refers to the outstanding principal amount of a mortgage at the start of a specific month.
Symbol: BMBM
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Scheduled Principal Repayment for Month
Scheduled Principal Repayment for Month refers to the portion of a borrower's monthly mortgage payment that is allocated to reducing the outstanding principal balance of the loan.
Symbol: SPR
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

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How to Evaluate Single Month Mortality?

Single Month Mortality evaluator uses Single Month Morality = Prepayment for a Month/(Beginning Mortgage Balance for Month-Scheduled Principal Repayment for Month) to evaluate the Single Month Morality, Single Month Mortality measures the percentage of the remaining principal of the mortgage loans that are expected to be prepaid in a given month. Single Month Morality is denoted by SMM symbol.

How to evaluate Single Month Mortality using this online evaluator? To use this online evaluator for Single Month Mortality, enter Prepayment for a Month (PFM), Beginning Mortgage Balance for Month (BMBM) & Scheduled Principal Repayment for Month (SPR) and hit the calculate button.

FAQs on Single Month Mortality

What is the formula to find Single Month Mortality?
The formula of Single Month Mortality is expressed as Single Month Morality = Prepayment for a Month/(Beginning Mortgage Balance for Month-Scheduled Principal Repayment for Month). Here is an example- 1.294002 = 6580/(6030-945).
How to calculate Single Month Mortality?
With Prepayment for a Month (PFM), Beginning Mortgage Balance for Month (BMBM) & Scheduled Principal Repayment for Month (SPR) we can find Single Month Mortality using the formula - Single Month Morality = Prepayment for a Month/(Beginning Mortgage Balance for Month-Scheduled Principal Repayment for Month).
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