I love your post, but be careful with margin part.

来源: 于 2008-07-17 14:07:22 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

You are ok since you do not use margin. When you are using margin, you do not always get a margin call before they close your postion. That is what I wanted to say.