DQ 兄妹,舉手。。。OPTIONS PROTOCAL
文章來源: tianfangye2011-08-01 13:55:26

1. LONG XYZ =


1.1 LONG XYZ CALL


1.2 WRITE XYZ PUT


1.3 BOTH 1.1 AND 1.2


 


2. SHORT XYZ=


2.1 WRITE XYZ CALL


2.2 LONG XYZ PUT


2.3 BOTH 2.1 AND 2.2