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Shuangshuang · 2024年05月14日

麻烦给个过程和知识点 谢谢

NO.PZ2023100905000004

问题如下:

The owner of USD 200 million portfolio wants to estimate the 1-day 99% liquidity-adjusted VaR using the random spread approach. The portfolio daily mean return is zero with daily volatility of 1.4%. The bid-ask spread on the portfolio has a daily mean of 0.1% and standard deviation of 0.2%. If the confidence parameter of the spread is equal to 3, what is the daily liquidity cost adjustment that should be added to VaR?

选项:

A.

USD 0.30 million

B.

USD 0.60 million

C.

USD 0.70 million

D.

USD 1.50 million

解释:

麻烦给个过程和知识点 谢谢

1 个答案

李坏_品职助教 · 2024年05月15日

嗨,努力学习的PZer你好:


考点是Random Spread Approach:

本题给出 bid-ask spread的mean是0.1%,所以μs = 0.1%, 而σs = 0.2%, Zα就是confidence parameter。


题目最后问的是daily liquidity cost adjustment是多少?这个指的是0.5×(μs + Zα × σs) ×V = 0.5 ×(0.1% + 3×0.2%)×200million = 0.7 million, 所以选C。

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