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陶朱 · 2024年05月02日

为什么不是尾部4个值取平均作为99%的Var

NO.PZ2023091701000089

问题如下:

Rational Investment Inc. is estimating a daily VaR for its fixed income portfolio currently valued at USD 800 million. Using returns for the last 400 days (ordered in decreasing order, from highest daily return to lowest daily return), the daily returns are the following:

1.99%, 1.89% 1.88% 1.87% ……, -1.76%, -1.82%, -1.84%, -1.87%, -1.91%

At the 99% confidence level, what is your estimate of the daily VaR using the historical simulation method?

选项:

A.USD 14.08 million

B.USD 14.56 million

C.USD 14.72 million

D.USD 15.04 million

解释:

如题111111111111111

1 个答案
已采纳答案

品职答疑小助手雍 · 2024年05月02日

同学你好,你说的取平均的概念是expected shortfall,不是var的。

var的定义就是直接取99%分位点的值。