剛在 GravitSys 加入了”贏谷輸縮”機制，複式回報率增加至 16.71% 如下：
2011 1st half 7.43%
2010 2nd half 4.18%
2010 1st half -3.16%
2009 2nd half 1.34%
2009 1st half 26.82%
2008 2nd half 61.05%
2008 1st half 11.43%
2007 2nd half 11.24%
2007 1st half 18.08%
2006 2nd half 17.91%
2006 1st half 4.90%
2005 2nd half 7.44%
2005 1st half -1.79%
2004 2nd half 3.61%
2004 1st half -5.36%
2003 2nd half 7.45%
2003 1st half -2.24%
2002 2nd half 0.66%
2002 1st half -2.26%