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Emma2024-04-19 10:50:20
同学好,这题的原题如下:
A stock’s price is currently trade at ¥7,950. At the end of one month when its options expire, the stock price is either up by 12% or down by 8%. If the risk-free rate is -0.5% for the period, what is the value of a call option with a strike price of ¥7,880:
首先,这道题的考点是二叉树定价,需要掌握计算方法,理论上来说,每一期默认是一年,但这个题干里是说一个月,我猜你纠结的点在于为什么不把无风险利率除于12,因为题目说的是 the risk-free rate is -0.5% for the period,意思是这个无风险利率并不是年化的利率,所以不涉及除于12。
希望你早日通过CFA考试,未来可期。
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