gdx chart by month 2006-2008 vs sandp

Among the S&P 500 (GSPC) and GDX, GDX had the best month between 2006 and 2008 in December 2008, returning 36.7%.

ASSET MONTH % RETURN
the S&P 500 (GSPC)
January 2006
2.55%
the S&P 500 (GSPC)
February 2006
0.05%
the S&P 500 (GSPC)
March 2006
1.11%
the S&P 500 (GSPC)
April 2006
0.59%
the S&P 500 (GSPC)
May 2006
-3.09%
GDX
May 2006
6.38%
the S&P 500 (GSPC)
June 2006
0.01%
GDX
June 2006
4.03%
GDX
July 2006
-1.62%
the S&P 500 (GSPC)
July 2006
0.52%
the S&P 500 (GSPC)
August 2006
1.98%
GDX
August 2006
5.18%
GDX
September 2006
-11.43%
the S&P 500 (GSPC)
September 2006
2.46%
the S&P 500 (GSPC)
October 2006
3.15%
GDX
October 2006
5.59%
the S&P 500 (GSPC)
November 2006
1.66%
GDX
November 2006
8.95%
GDX
December 2006
-4.36%
the S&P 500 (GSPC)
December 2006
1.26%
GDX
January 2007
-1.47%
the S&P 500 (GSPC)
January 2007
1.43%
the S&P 500 (GSPC)
February 2007
-2.16%
GDX
February 2007
-0.6%
the S&P 500 (GSPC)
March 2007
1%