July Week 5 Meets the Stock Market (and Treats it Badly)

Jay Kaeppel
2021-07-23
Having a 5th Friday in July is the exception to the rule. Given the stock market's past performance during THE WEEK AFTER July Week 5, maybe that's a good thing. In this piece, we take a closer look at the stock market's difficulty during this particular timeframe.

IMPORTANT NOTE: The performance results displayed in the original version of this article posted on 7/23 were correct, however the wrong week was referenced in the test.  

  • All of the data and performance #'s ARE CORRECT
  • However, the data and performance #'s are all for THE WEEK AFTER the 5th week of July (i.e., the week ending on the 1st Friday in August ONLY during those years when there is a 5th Friday in July)

The text below has been update to reflect this correction.

In the 71 years starting in 1950, there have been only 30 years with a 5th Friday during July. 2021 will mark the 31st such year. Does this matter? Well, take a look at the numbers below and decide for yourself.

THE WEEK AFTER JULY WEEK 5

The table below displays the weekly price change for the S&P 500 during the WEEK AFTER the 5th full week of July since 1950.

The chart below displays the same information in column format.

The chart below displays results in a cumulative format (the chart includes ONLY those years that have a 5th Friday in July).

Results are summarized in the table below.

SUMMARY

Is the S&P 500 doomed to fall the week ending 8/6/21? Not at all. Still, the results above suggest that traders should go into next week fully prepared to deal with whatever may come.

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