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CAVEAT: I do not consider market-timing a wise decision for most folks, including myself. Too much discipline and mental toughness required. Also I am not accusing anyone of 'lazy thinking' such as the excerpted author mentions. I just wanted to add the data table and I included the text for context.
However, I do agree w/the author that the argument about "best xx% of days" is weak because it works both for and against market timing.
Let's get some data logs on this fire, folks.

From fundadvice.com at
http://www.fundadvice.com/FEhtml/InvestingBasics/9908/9908.html
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"I read an article that said timing is a bad idea because if you missed the 40 best days in the market, you would cut your return to about the level of Treasury bills. That's scary!"

"I see that kind of statement in the media from time to time, and they are not only scary, they are misleading and foolish. This is a silly argument that's been around for a long time. It's an easy "score" for lazy critics to capture lazy minds.

"I bet that article didn't tell you what would happen if you were in the market except for the 40 worst days. That would be just as valid, but it would not support the anti-timing point of view.
"No market timing system is designed to avoid only the worst days or the best days, and we've never seen any claim that anybody ever did this. But just for fun, we decided to study the month-by-month returns of the Standard & Poor's 500 Index over a 50-year period. Here is a table that shows what we found:

1949-1998 1,000 grew to CRR*
All 600 months..........$579,039......12.8%
Exclude best 10 months..$181,832......10.5%
Exclude best 20 months..$.78,998.......8.8%
Exclude best 30 months..$.37,979.......7.3%
Exclude best 40 months..$.19,541.......6.0%
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
Exclude worst 10 months.$.1,912,206......15.2%
Exclude worst 20 months.$.4,101,879......16.8%
Exclude worst 30 months.$.7,457,207......18.0%
Exclude worst 40 months.$12,608,300......19.0%
*Compound rate of return"
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"Timing is everything", if you are (un)lucky enough.

Bye
FrankZ
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