回複 '牛經滄海' 的評論 : 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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回複 'czhz' 的評論 : (last highest point - lowest point)/last highest point
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沒看明白。7.7%的correction 和23個trading days是從哪天開始算起,06/19/2013?3 weeks ahead of which day?