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游得过 · 2024年04月04日

这题另外两个选项解释一下吧,谢谢

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NO.PZ202403050900000104

问题如下:

Whose comment regarding implied volatility is most likely correct?

选项:

A.Burr’s B.Madisox’s C.Jeffinsin’s

解释:

A Incorrect. Burr’s statement is incorrect. Implied volatility is a measure of estimated future volatility, not historical volatility. Implied volatility is not calculated on the basis of historical volatility. Rather, implied volatility is a component of an option pricing model.

B Correct. Madisox’s statement is correct. Implied volatility is a measure of future estimated volatility, which varies across both exercise price and time to expiration for various options. Accordingly, implied volatility is a measure of the market price of risk.

C Incorrect. Jeffinsin’s statement is incorrect. Volatility skew tends to steepen whenever the market price of hedging is rising, which causes its shape to be different from the volatility smile.

目中问关于implied volatility正确的一项,Madisox 的陈述正确,波动率曲面确实提供了一个关于隐含波动率如何随执行价格和到期时间变化的可视化图表,这对于期权定价和风险管理非常重要。

这题另外两个选项解释一下吧,谢谢

1 个答案

pzqa35 · 2024年04月07日

嗨,从没放弃的小努力你好:


这道题目是关于implied volatility的,A选项Burr的说法是错误的,隐含波动率是对未来波动率的估计度量,而不是历史波动率。



C选项中Jeffinsin的说法也是错误的,他说当对冲的市场价格上升时,volatility smile和volatility skew具有相同的形状,这两个本身的图形就是不一样的哈,skew是不对称的。



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努力的时光都是限量版,加油!

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