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President Trump’s fast and furious pace of change to kick off his second term has created a great deal of uncertainty. Historically, the market has not performed well during periods of uncertainty. Monday, March 10, marked the seven weeks since Inauguration Day and as of the close S&P 500 was down 6.37%, its fourth worst post inaugural performance since 1945. Presidents Obama (2009), W. Bush (2001) and Ford (1974) suffered greater declines through the seventh week.
In the above table we have included the S&P 500’s performance every Inauguration Day since April 12, 1945, when Truman became President following the death of FDR. We also included November 1963, when Johnson took over after JFK was assassinated and Ford in August 1974, following Nixon’s resignation. We use the close on Inauguration Day or the day before when it landed on a holiday like this year. Republican Administrations are shaded in grey.
Seven weeks may be an odd data point to consider but it is consistent with the current time frame. Looking out to 12-Weeks After and 100-Days After, we see an improvement in S&P 500 performance with average, median and frequency of gains improving. Should the market find support, a rebound would be consistent with past post inaugural performance.
