阮同学2020-10-10 15:40:50
正对这题我看了别的同学老师的解答,感觉有点答非所问 老师还是没说清楚为什么巴塞尔一里面还有market risk计算 第二个问题是,巴塞尔1⃣️是写了market可以用一年到4年的99%的var计算,这个在讲义里貌似没提到过
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Crystal2020-10-10 20:12:32
两个问题,原版书204页background第一段前面两句话:
The Basel I calculations of market risk capital were based on a value at risk (VaR) calculated for a 10-day horizon with a 99% confidence level. The VaR was "current" in the sense that calculations made on a particular day were based on the behavior of market variables during an immediately preceding period of time (typically, one to four years). Basel 2.5 required banks to calculate a "stressed VaR" measure in addition to the current measure. This is VaR where calculations are based on the behavior of market variables during a 250-day period of stressed market conditions. To determine the stressed period, banks were required to go back through time searching for a 250-day period where the observed movements in market variables would lead to significant financial stress for the current portfolio.
前面两句话在基础班讲义中是有的。
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