A.8.5 B.13.5 C.16.5 D.23.5
A.20,-30,牛市價差策略 B.20,-30,熊市價差套利 C.30,-20,牛市價差策略 D.30,-20,熊市價差策略
A.2242 B.2238 C.2218 D.2262