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In finance, the weighted-average life (WAL) of an amortizing loan or amortizing bond, also called average life, [1] [2] [3] is the weighted average of the times of the principal repayments: it's the average time until a dollar of principal is repaid. In a formula, [4] = =,
The number weighted average of the times of the principal repayments of an amortizing loan is referred to as the weighted-average life (WAL), also called "average life". It's the average time until a dollar of principal is repaid. In a formula, = =, where:
The average duration of the bonds in the portfolio is often reported. The duration of a portfolio equals the weighted average maturity of all of the cash flows in the portfolio. If each bond has the same yield to maturity, this equals the weighted average of the portfolio's bond's durations, with weights proportional to the bond prices. [1]
The post Dollar Weighted vs. Time Weighted: Investments appeared first on SmartReads by SmartAsset. ... When we write that the S&P 500 has an average annual return of around 11%, ...
Average life may refer to: Average life span, statistical life expectancy for a certain population; Exponential decay#Mean lifetime, average survival time in an exponentially decreasing set; Weighted-average life, loan repayment timing
1. Use the Rule of 25 to get a ballpark number. A good rule of thumb to estimate your retirement savings goal is the Rule of 25.Simply multiply your desired annual retirement income by 25.
The weighted-average maturity (WAM) of a pass-through MBS is the average of the maturities of the mortgages in the pool, weighted by their balances at the issue of the MBS. Note that this is an average across mortgages, as distinct from concepts such as weighted-average life and duration, which are averages across payments of a single loan.
The weighted-average loan age (WALA) is measure used in pools of mortgage-backed securities that defines the average number of months since the date of note origination of all the loans in a pool weighted by remaining principal balance. [1] In the calculation each loan's size is in proportion to its aggregate total of the pool. [2]