1000 GRAMS seems to be the mean,,,

來源: hercules007 於 2012-03-06 19:35:14 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (133 bytes)

Also look at the trend. Is the trend your friend?

and the law of mean reversion seems always come true?

 

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