A.15.19% B.10.88% C.20.66% D.21.68%
A.保護性看跌期權(quán) B.拋補看漲期權(quán) C.對敲 D.保護性看跌期權(quán)+拋補看漲期權(quán)
A.0.13 B.0.53 C.0.45 D.0.25