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%