correction

风险声明:这是一个记载学习理财炒股的个人心得笔记. 对他人采用本博客信息导致的失误和损失本人不承担任何义务和责任,敬请鉴凉.
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gld must have been bought at the price above 92.8 on July 31, 2009, instead of above 94.03.


The correced bot price was 93.4 ,which takes a gap up into account.


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