half-life (hăf′līf′) The average time needed for half the nuclei in a sample of a radioactive substance to undergo radioactive decay. The half-life of a substance does not equal half of its full duration of radioactivity. For example, if one starts with 100 grams of radium 229, ...
网络加权平均存续期 网络释义 1. 加权平均存续期 分期偿还证券需要计算证券的加权平均存续期(weighted average life)或简称为平均存续期(average life)。当以后我们讲到两类 … www.amazon.cn|基于 1 个网页
Factors Affecting Weighted Average Life Bonds thatpay back more money soonerwill have shorter weighted average life. For instance, consider the above example, but imagine that the $20,000 payment and $5,000 payments are swapped. Then, the weighted average life = ($20,000 * 1 + $10,000 ...
The weighted average life (WAL) is a product of the time when principal payments are received and the amount of principal received divided by total principal outstanding. Explicitly, it can be defined as: For example, consider a loan with two years to maturity and $100 million in principal....
Example: Sam wants to buy a new camera, and decides on the following rating system: Image Quality 50% Battery Life 30% Zoom Range 20% The Sonu camera gets 8 (out of 10) for Image Quality, 6 for Battery Life and 7 for Zoom Range The Conan camera gets 9 for Image Quality, 4 for ...
[translate] aI and family member I和家庭成员[translate] a你可以说的慢一点吗? 正在翻译,请等待... [translate] a我自己和亲人 I and family member[translate] aWeighted average remaining contractual life (years) 正在翻译,请等待...[translate]...
3.5 Weighted average of the results All final scores for each subset, case, or video on the aforementioned 2D and 3D metrics are obtained using weighted averages. For example, the 2D accuracy of a video, which contains multiple anchors, is obtained using: (9)VideoAccuracy=∑i=1kAccuracyi...
The average amount of time remaining before thesecuritiesin a portfolio reachmaturity, weighted by the percentage of the portfolio that each security constitutes. For example, suppose a portfolio contains twobonds, one worth $10,000 and one worth $20,000, for a total of $30,000. The $10,...
The weighted average life (WAL) is the average length of time that each dollar of unpaid principal on a loan, amortgage, or anamortizing bondremains outstanding. Calculating WAL shows an investor, an analyst, or a portfolio manager how many years it will take to receive roughly half of the...
What Is the Difference Between Weighted Average Maturity (WAM) and Weighted Average Life (WAL)? WAM and WAL are mainly used when evaluatingmoney market funds. The difference between WAM and WAL is that WAM takes into accountinterest rate resetsand WAL does not. The SEC limits the WAL for mo...