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Old 11-17-2005, 03:13 PM
Dan Mezick Dan Mezick is offline
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Join Date: Jun 2004
Location: Foxwoods area
Posts: 297
Default Re: Average yearly return

One useful tool figuring this type of question out is: the rule of 72.

You take your return and put the value 72 over it. The result is a rough idea of how many years to double your bets.

Example: Stock market returns 11% a year for 70 years.

72/11 = 6.54 (years to double)

So if you are 22 and you have 20K figure:

160K of value in 26 years, (4 doubles,) at 48 years old, assuming 11% a year average return.

20, 40, 80, 160




If you earn 22% and not 11%, you get:

72/22 = 3.27 years to double. That's roughly 8 doubles in 26 years

20, 40 , 80, 160, 320, 640, 1280, 2560. Twice the doubles, 16 times the total return.


26 years and 20k.
Earn 11% and get 160K.
Earn 22% and get 2560K.

16 times more return over the same period of time.

Start young and be aggressive.
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