Sell in May and Go Away—Not Quite

This summer has produced a nice rally, and LPL says that portends a good run the rest of the year.

Whatever happened to the advice “sell in May and go away?” If you did that this summer, your equity investments missed a grand opportunity. And odds are that the remainder of the year should be strong, too.

The Standard & Poor’s 500 is a hair’s breadth away from reaching its January 26 record of 2,854. It took small dips on Wednesday and Thursday following a strong summer rally.

Yes, things for much of this year were meh in the market. Since the S&P hit bottom in early February after its 10% winter correction, the index has had a fitful recovery. It finally got some steam in, of all months, May. From the bottom February 8, it has advanced 10.5%.

Here’s where the odds come in, which could give us a buoyant rest of 2018. “Sell in May has many bears pulling their hair out in frustration,” noted Ryan Detrick, senior market strategist for LPL Financial. “Here’s the catch: History says when ‘Sell in May’ doesn’t work right away, the rest of the year can be quite strong.” 

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If April, May, June, and July are all positive, according to Detrick, then the remaining five months will be up an average 10%. He crunched the numbers back through 1954. This past April, when the market slid again, nevertheless was a positive month. The next three months of 2018 logged advances, as well.

In recent years, when April through July was up, the August-December bounce hasn’t been that pronounced. But a bounce did happen. In 2017, August through December climbed 8.2%, and 2016’s comparable period increased 3%. The previous time there was an April-July rise, 2009, the last five months had a headier increase, 12.9%.

The common wisdom sometimes can be wrong in delightful ways.

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