I just tested from June's data

来源: 2004-09-14 16:40:55 [旧帖] [给我悄悄话] 本文已被阅读:

The result is $5,000 profit. My key is when to break the boxed position when market turns against you. I am using 3% percent up to cover my short position at a loss. And results are still profitable.