Sell in May and Go Away
It seems that everyone is writing about this market phenomenon over the past week so I figure I will join the party but structure my article with statistics using the help of the Stock Trader’s Almanac written by Jeffery A. Hirsch and Yale Hirsch.

For the record, I am not selling just because the calendar says May. I just wanted to shed some light on the statistical data as it interests me
Worst six months of the year begin in May:
* All data is from the DJIA from 1950 to 2005
- A $10,000 investment in the DJIA compounded to $544,323 for the period beginning in November through April over the past 56 years (termed the best six months)
- Compare this to a $272 loss; yes I said loss for the same investment in May through October (termed the worst six months)
- 44 of the 56 periods ended with a gain in the November through April period
- Only 33 periods ended with a gain versus 23 losing periods in May through October
- The average gain for the November through April period is 7.9% (56 yrs)
- The average gain for May through October is 0.3% but the period did have an overall loss of $272 as mentioned above
- The best six months gained 11,691.79 Dow points over the 56 yrs (data ends in 2005)
- The worst six months actually lost 538.98 Dow points

Posted May 7, 2007
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