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Evian, CFA2023-04-27 16:32:02
ヾ(◍°∇°◍)ノ゙你好同学,
考纲没有要求掌握,这个题目来自协会的模拟考试题,有点偏,但原版书确实有对“Volatility surface”进行描述,可以作为结论记一下:
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.
构建三维图是很常见的波动率呈现方式,它是隐含波动率相对于到期时间和行权价格之间的关系图,这种可视化被称为波动率表面“Volatility surface”。如果BSM模型的假设是真的,那么人们可能会发现波动率表面是平坦的。
如下截图(来自雪球一篇文章:https://xueqiu.com/2470706656/108398352?sharetime=2)
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