This Friday, Donald Trump will be inaugurated as the President of the United States.

Some people might be appalled by this. Others excited for drastic change. But for investors and traders, one question comes to mind: how will the stock market react?

In this quick post you’re going to see a table from LPL Financial. They looked into every Presidential inauguration since 1953 and how the stock market performed 2 weeks, 1 month, and 3 months after.

The stock market’s worst period after an inauguration was 1974 when Gerald Ford was elected. Just a month after his ceremony, the S&P 500 was down 14%. The stock market’s best period after an inauguration was 1963 when Lyndon Johnson was elected.

Some political pundits like to compare Trump to Ronald Reagan. If that’s the case, the following data will show you what the stock market did after Reagan’s first inauguration – it actually fell 3.8% 1 month later! Here’s the data from LPL Financial: