Why 'sell in May and stay away' might be terrible investment advice
Like many pieces of age-old wisdom, this little adage doesn't always hold up to scrutiny
Should you "sell in May and go away," as the old investment advice goes? Or just keep cool and go about your summer?
It's literally a centuries-old question. (It dates back to 1694, to be exact.) The original rhyme, "Sell in May and go away, don't come back till St. Leger Day," refers to the British horse-racing season, when folks relaxed at the track during the summer months while their lightened portfolios simmered on the back burner. The result was fewer people trading — a "thin market" — which meant more volatility, says Britain's Telegraph.
Times have changed, of course. For starters, people now spend most of their summers at work, not the horse track. And almost no one writes rhymes about best practices for Wall Street (unless this counts). But the adage has stuck — and not for nothing. According to Fox Business, "Historically, the stock market has typically been weaker from May to October than it has from November through April. Going back to 1950, the Dow is just about flat from May to October but up over 7 percent on average from November to April."
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A study by Ben Jacobsen, an academic from Massey University in New Zealand, found something similar: This seasonal trend was present in 36 of the 37 countries researchers sampled, and especially strong in Europe.
Still, not everyone is convinced. According to the Telegraph:
What about this particular May? Well, the signals from Wall Street are all over the map. While the market is up 25 percent from last summer's dip, and many companies beat expectations for first quarter profits, the economy is undergoing its fourth consecutive "spring swoon" — a seasonal slowdown in economic growth that historically causes stocks to tumble.
As Sam Stovall, chief investment strategist and head of the investment committee at S&P Capital IQ, tells Forbes, from May to October of the last three years, the S&P 500 declined 16 percent, 19.4 percent, and 9.9 percent, respectively. But this year, he says, bulls are confident that the market will avoid a big decline.
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Why? Fox Business's Hilary Kramer offers a bit more insight:
And of course there are those who advise you stay away from yearly sell-offs as a matter of principle. Here's US News' Spencer Rand:
The upshot? You probably shouldn't reflexively base your investment strategy on 17th-century rhymes.
Carmel Lobello is the business editor at TheWeek.com. Previously, she was an editor at DeathandTaxesMag.com.
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