fighting2020-10-10 13:06:26
老师您好,问一下711题的解题思路,我还不是很理解答案里面说的那句increase in rate will cause larger increases for in the money calls,but larger decreases for in the money puts.这里是这什么increase和decrease呀?谢谢
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Cindy2020-10-12 17:23:19
同学你好,要实现zero vega的话,那么这个期权肯定是deep in the money或者deep out of the money,因为期权在deep in the money或者deep out of the money的状态下vega才是趋近于0的,所以A和C都错了,
再看D和B,看涨期权的价值和利率是正相关的,所以买入看涨期权能够在利率上涨的时候获益,符合题意,而看跌期权和利率是反向关系,综合起来,这道题选B呀
increase in rate will cause larger increases for in the money calls,but larger decreases for in the money puts,这个指的是利率的上涨和下跌,此时,in the money calls价值上涨,in the money puts价值下跌
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