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Old 07-02-2009, 02:12 PM   #21
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Join Date: Oct 2005
Location: Texas Hill Country
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Quote:
Originally Posted by dixonge View Post
So theoretically if I began this quarter with 18, contributed an additional 16, and ended the quarter with 40, then ( (40-16) / 18) -1 = 33% ROI ?
I wouldn't say the ROI is 33%, because it's not. Some of that is return on newly invested capital rather than the return on just the initial 18. I would say instead that my account balance is 33% higher than at the start of the quarter.
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