make sure you have cash on the side to purchase the shares

if ATPG drops $3 over night, then you need cash to buy the shares you sold puts on.

however, if you are already in margin, you would have big trouble (potentially being wiped out) if that happens.

所有跟帖： 

• I do not have cash but I have enough buying power. -longterminvestor- ♂ (128 bytes) () 09/07/2010 postreply 14:23:09

• 回复：I do not have cash but I have enough buying power. -越王剑- ♂ (335 bytes) () 09/07/2010 postreply 15:40:08

• what you said could happen, but it is different from -longterminvestor- ♂ (14 bytes) () 09/07/2010 postreply 18:38:37