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XIRR Formula

Reader Question Regarding Personal Rate of Return

Friday, April 16th, 2010

Yesterday I received an email from a guy who needed help with figuring out his personal rate of return using Excel’s XIRR formula. He had just started contributing to his 401(k): 3/26/2010 – $188.50 4/8/2010 – $377.02 4/16/2010 – Balance of $593.54 The XIRR formula requires both negative and positive numbers in order for it […]