The US stock market just recorded its worst first 100 days of any presidential term since President Gerald Ford assumed office in 1974.

U.S. stocks closed out Donald Trump’s first 100 days back in the Oval Office on a sour note, with the president’s trade policies taking the blame for derailing a thriving market and stoking fears the world’s largest economy could slip toward recession.

While trying to time the market can be an exercise in futility, there is something to be said for historical index performance depending on the month.