It has been exactly nine months since the S&P 500 bottomed on March 9th at 676.53.  Since then, the index has rallied 62%.  Below we provide a chart of the rolling 9-month change (%) for the S&P 500 going back to 1928.  As shown, 1933 was the only other time when the S&P 500 had a bigger 9-month gain.  The 9-month period ending on May 12th, 1983 is the next best behind the current one with a gain of 60%.  Also, the 9-month 62% gain was preceded by a 9-month decline of 51%.  The only time that the index fell more over a 9-month period was in 1931/32 when it dropped 68%.  It’s easy to forget how crazy things were over the last 18 months, but stats like these provide a staggering refresher.