问题如下图:啥啥啥 不是说美式看涨不应该提前行权。。看跌可以提前行权吗?【建议卖掉不建议行权啥的?
选项:
A.
B.
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D.
解释:
NO.PZ2019070101000019 问题如下 The value of a 6-month Americcall option is either $4.00 maturity with a probability of 0.63 or $0 with a probability of 0.37, exercise priis $40. Current stopriis $45, ancontinuously compounrisk free-rate is 4%. Whiof the following strategy cachieve maximum return:I. exercise the option, because the payoff from exercising the option is more ththe present value of the expectefuture payoff.II. exercise the option, because the option is in-the-money.III. not exercise the option A.Strategy I. B.Strategy II. C.Strategy III. None. is correct.考点Other Issues解析对于美式看涨期权,现在行权可以获得$45-$40=$5,如果现在不行权,未来预期收益的折现值为 : (4×0.63)+(0×0.37) e (0.04)×0.5 =$2.47, 所以应该现在行权。 1.现在行权的gain是5,期权价值低于5,这个我理解,但是美式看涨不是等待有价值么?2.那美式看涨怎么判断要不要行权,是不是一旦出现s-x大于c的现值,就应该行权,不要再等了?
The value of a 6-month Americcall option is either $4.00 maturity with a probability of 0.63 or $0 with a probability of 0.37,这块的VALUE指的是看涨期权的收益还是价值,如果是价值的话是不是可以理解成期权费?
未来预期收益怎么算
为什么strategy2不对 现在S大于X 那就是In the money 现在行权合算啊