if return和sp500接近。why bother to trade? just put all in S&P500 in

來源: laoyangdelp 於 2012-09-13 10:46:19 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 別誤解。俺的return和sp500接近。這也是俺比的對象。由 Morning3evening4 於 2012-09-13 10:44:30

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• For fun. :). -Morning3evening4- ♂ (113 bytes) () 09/13/2012 postreply 11:13:16

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