Weighted average remaining maturity


Also found in: Acronyms.

Weighted average remaining maturity

The average remaining term of the mortgages underlying a MBS.

Weighted Average Maturity

The average amount of time remaining before maturity in the mortgages underlying a mortgage-backed security, weighted by the percentage of the MBS that each mortgage constitutes. For example, suppose a mortgage-backed security contains two mortgages, one worth $10,000 and one worth $20,000, for a total of $30,000. The $10,000 mortgage matures in five years, and the $20,000 mortgage in 10 years. The weighted average remaining maturity is calculated as:

WAM = ($10,000 / $30,000) * 5 years + ($20,000 / $30,000) * 10 years = 8 1/3 years

The weighted average maturity is also known as the weighted average remaining maturity.
References in periodicals archive ?
75 months and a weighted average remaining maturity of 53.
4 months, a weighted average remaining maturity (WART) of 52.
72 percent, a weighted average remaining maturity of approximately 57.

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