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Old 01-03-2008, 12:01 PM   #5
Thinks s/he gets paid by the post
 
Join Date: Jan 2006
Posts: 3,113
For ROI (that's not the same as IRR, but it's what I use when looking at my YTD performance), Quicken does the calculation like this:

[Ending Value + all withdrawals]/[Starting Value + all deposits] - 1

This is a somewhat conservative approach, as if you made some deposits late in the year, the remainder of the portfolio would have supplied most of the return (assuming a linearly positive year), but it's good enough for me!

Audrey
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