How did the S&P 500 perform during the recessions dating back to 1948?
January 09, 2008
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The stock market is always supposed to crash during recessions, isn't it? I wanted to find out if it's true, and how the S&P 500 index, as a reference for the general stock market performed during recessions since 1948. Please note that individual stocks/sectors may behave completely differently!
The stock market is supposed to be a forward looking indicator, ie it will fall before a recession starts, but it will also rise again before it ends.
First as an overview, a long term chart of the S&P 500 (SPX) vs. the unemployment rate (UR) dating back 60 years! (for some reason the UR isn't updated after 2003 anymore here, never mind)
There have been 10 recessions since 1948! UR was the highest in the early 1980s, it was almost 11%! As you can see, everytime UR suddenly surged, there was a recession. Recessions in the US seem to last 6-9 months on average.

Coincidentally NorthernTrust.com made a cool research just in time. They analysed all recessions back to 1953, how much SPX fell each time and how many months before a recession started/ended passed. Quote:
From table 1 two major conclusions can be drawn: (1). The S&P 500 is a leading indicator par excellence. Since the 1950s, the S&P 500 has always peaked before the peak of a business cycle, with one exception (1980 business cycle). The S&P 500 establishes a trough prior to the end of a recession without exception. (2). The median percent decline of the S&P 500 from its peak to trough is 16.9%. In the first three business days of 2008, the S&P 500 is down nearly 7.0% from its peak in October 2007. If history is a guide, brace yourselves for a rough ride in the months ahead.

So, let's have a look back in time...
1950s: SPX data starts only in 1950. From there it rose until the start of 1953, where a correction started 6 months before the recession , where the SPX according to Northern Trust (NT) fell only 11 % from peak to trough. From then it only rose. The bottom here was 8 months before the end of the recession!

late 1950s: the correction which took the SPX down 17% ended 4 months before the recession. As usual the UR rose suddenly, when the recession started.

early 1960s: this was a mild correction, despite recession. It also ended 4 months before the end of the recession. BTW, note the extremely strong correction of the stock market in 1962, where there wasn't a recession at all!

early 1970s: this was the end of the bull market period and many bear markets followed. SPX fell from early 1969 to mid 1970 and lost 27%! However it again recovered before the end of the recession... and rose until 1973 when it then lost 43%!! It fell before the start of the recession, but rose again before the end.

1980s: there were two recessions, in 1980 and again in 1981/1982. But each time the stock market again recovered before the end of the recession. The SPX lost 10%, and 18%, before the Great Bull Market started.

1990: the recession of 1990/1991 took the SPX down 14% and as usual the stock market recovered before the end of the recession, or 5 months. Note that there was absolutely no influence from the stock market crash 1987 on the real world economy! The unemployment rate only started to rise at the start of the 1990 recession!

2001: Again the SPX corrected much earlier, than the recession started. However in this exceptional case it continued to fall, because of 911, IMO!

Conclusion, the stock market always recovers before a recession ends. In fact the market usually recovers, when it looks terrible (although it can always get worse...)!
Note. only recessions are described here, not stock market corrections, which are more frequently.