回复 '牛经沧海' 的评论 : last highest point (could you give the date relative to 06/19?) lowest point (again, could you give the date relative to 06/19?) because it is hard to tell from your chat.
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回复 'czhz' 的评论 : (last highest point - lowest point)/last highest point
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没看明白。7.7%的correction 和23个trading days是从哪天开始算起,06/19/2013?3 weeks ahead of which day?