1個回答
Evian, CFA助教
2023-04-27 16:32
該回答已被題主采納
ヾ(?°?°?)??你好同學,
考綱沒有要求掌握,這個題目來自協(xié)會的模擬考試題,有點偏,但原版書確實有對“Volatility surface”進行描述,可以作為結論記一下:
It is common to construct a three dimensional plot of the implied volatility with respect to both expiration time and exercise prices, a visualization known as the volatility surface. If the BSM model assumptions were true, then one would expect to find the volatility surface flat.
構建三維圖是很常見的波動率呈現(xiàn)方式,它是隱含波動率相對于到期時間和行權價格之間的關系圖,這種可視化被稱為波動率表面“Volatility surface”。如果BSM模型的假設是真的,那么人們可能會發(fā)現(xiàn)波動率表面是平坦的。
如下截圖(來自雪球一篇文章:https://xueqiu.com/2470706656/108398352?sharetime=2)
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