Schaeffer's Media Outtake: The Lessons of History

How the 'Dogs of the Dow' became a crowded trade

by Bernie Schaeffer 9/9/2009 8:50 AM


"As American author (and investor) Mark Twain famously said, history may not repeat itself but it rhymes. A century and a half later, many of his countrymen not only retain an appetite for speculation, but also a widespread belief that understanding the past can enable amateur punters to gain an edge in a stock market otherwise stacked in favour of pros. Tens of millions of dollars are spent annually on books and newsletters that claim to profitably time bull and bear markets. Some, like the Elliott Wave theory, are so cryptic that they are hard to either prove or refute. Others are remarkably simple, pointing out recurring patterns even a novice can exploit. But adherents are learning the painful lesson this year that past is not prologue ... Take the 'Dogs of the Dow,' popularised in the 1991 bestseller Beat the Dow. It involves buying the 10 highest-yielding stocks of the 30 Dow Jones Industrials on the final day of each year. From 1946 through 1995, the 'Dogs' had annualised returns three percentage points better than the Dow itself. Over half a century, a hypothetical portfolio would be worth 3.7 times as much. But the technique has lagged slightly behind the Dow since it became popular in the mid-1990s and bombed last year ... The presidential cycle effect, which has been nearly flawless since the second world war, left adherents in the lurch recently, much like the Dogs of the Dow. Since 1946, presidential election years have nearly all been good for stocks, exceeded only by the third year in the cycle. Not only was 2008 disastrous but 2009, as the first year of a new cycle, should be weak. The Dow, up more than 8 per cent in August, has bucked this trend ... The 'sell in May and go away' strategy of eschewing the weaker six months of the year also fizzled recently. Owning the Dow since 1950 only from November through April would have grown a portfolio 20 times as valuable as one owned for the other six months. But it produced a loss of over 12 per cent from November through this April, while those dumping shares in May missed a 16 per cent return through August."
(Financial Times – "Investing patterns can unravel" – 9/4/09)

Schaeffer's addendum: This piece is very instructive, and it serves as a solid "word to the wise" warning against making complacent assumptions about past patterns of market behavior that may be seductively compelling as guideposts for current action. But there is often an additional element present when these "can't miss" strategies fail – the "crowded trade." A crowded trade is one in which so many investors have taken a stake that the reward/risk equation becomes distorted in a very negative sense. For example, if "everyone knows" that the "Dogs of the Dow" will outperform the market, investors will likely flock to that strategy to such an extent that even if there is some small advantage to the approach, it is neutralized by its sheer popularity. It may sound trite, but "everyone" can't beat the market simultaneously. Beginning in the 1990s, billions of dollars flocked to the "Dogs" strategy through the vehicle of funds set up to exploit it, and a once arcane approach that had benefited a select group of investors had now become very much mainstream. And this thundering herd of new investor converts served as a ticking time bomb – ready to withdraw their money at the first signs that the approach was faltering. It faltered, and the rest is history.

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