DQ 兄妹，舉手。。。OPTIONS PROTOCAL

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