# What is weighted average life of a loan?

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## How do you calculate weighted average life of a loan?

To calculate the average life, multiply the date of each payment (expressed as a fraction of years or months) by the percentage of total principal that has been paid by that date, add the results, and divide by the total issue size. Then divide the weighted total by the bond face value to get the average life.

## How do I calculate a weighted average?

The formula for finding the weighted average is the sum of all the variables multiplied by their weight, then divided by the sum of the weights.

## What is the average life of a 30 year mortgage?

A 30-year mortgage gives the borrower 30 years to pay back their loan. Most people with this type of mortgage won’t keep the original loan for 30 years. In fact, the typical mortgage length, or average lifespan of a mortgage, is under 10 years.

## What is the life expectancy in the world as a whole today?

The United Nations estimate a global average life expectancy of 72.6 years for 2019 – the global average today is higher than in any country back in 1950.

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## Is weighted average life the same as weighted average maturity?

Weighted average maturity (WAM) is a measure of the overall maturity of the mortgages pooled in a mortgage-backed security (MBS). A longer WAM implies somewhat greater interest rate and credit risk than MBS with shorter WAMs. WAM is the inverse of another popular MBS duration metric: weighted average loan age (WALA).

## How do prepayments affect weighted average life?

Prepayments reduce WAL, meaning less interest income is earned over the life of the bond, and that life is shortened by each prepayment.

## What is the formula for calculating life expectancy?

Life expectancy tables are calculated based on death probabilities according to Farr’s death rate method: qx = Mx / (Bx + (Mx/2)) where Mx = the number of deaths at the age of x to under x+1 years in the reported period; Bx = average population aged x to under x+1 in the base period; qx = death probability from age x …

## What is weighted average payment?

Weighted average payment terms (or WAPT for short) reveals the average payment terms on outstanding invoices. It takes into account the outstanding invoice amount and the number of days a customer is offered to pay the invoice (due date).

## What is a weighted average rate?

What is a Weighted Average? A weighted average interest rate is an average that is adjusted to reflect the contribution of each loan to the total debt. The weighted average multiplies each loan’s interest rate by the loan balance and divides the sum by the total loan balance.

## What is weighted average with example?

What are some examples of a weighted average? One of the most common examples of a weighted average is the grade you receive in a class. For example, the class syllabus could state that homework is 20% of your final grade, quizzes 30%, and exams 50%.

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