穆同学2019-05-17 12:09:30
老师,ATM,随着时间到期,deltac咋变? 随着时间到期,接近IV,所以ITM趋近1,OTM趋紧0。ATM呢?
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Paroxi2019-05-17 15:22:39
ATM时,看涨期权的delta 等于0.5啊,看跌期权的delta 等于-0.5啊
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