我的交易系統修正 (複利年回報 13.89%)

啊, 對不起, 早前的 trading system 我剛用人手重計一次, 出現問題, 回報修正如下: 2011 1st half 5.02% 2010 2nd half 2.74% 2010 1st half -1.18% 2009 2nd half 1.19% 2009 1st half 25.34% 2008 2nd half 48.58% 2008 1st half 12.45% 2007 2nd half 11.26% 2007 1st half 12.84% 2006 2nd half 11.19% 2006 1st half 4.93% 2005 2nd half 4.74% 2005 1st half -1.38% 2004 2nd half 2.95% 2004 1st half -4.60% 2003 2nd half 7.30% 2003 1st half -4.65% 2002 2nd half 2.08% 2002 1st half -1.87% compound ROI 13.89%