s and p 500 monthly returns for last 1986-1990 months

The S&P 500 (GSPC) had its best month in 1990 and between November 27, 1859 and September 27, 2025 when the return was <= 198,600% in May 1990, returning 9.2%.

ASSET MONTH % RETURN
the S&P 500 (GSPC)
January 1990
-6.88%
the S&P 500 (GSPC)
February 1990
0.85%
the S&P 500 (GSPC)
March 1990
2.43%
the S&P 500 (GSPC)
April 1990
-2.69%
the S&P 500 (GSPC)
May 1990
9.2%
the S&P 500 (GSPC)
June 1990
-0.9%
the S&P 500 (GSPC)
July 1990
-0.52%
the S&P 500 (GSPC)
August 1990
-9.43%
the S&P 500 (GSPC)
September 1990
-5.12%
the S&P 500 (GSPC)
October 1990
-0.69%
the S&P 500 (GSPC)
November 1990
6%
the S&P 500 (GSPC)
December 1990
2.48%