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#1
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Problem with XIRR function returning #NUM!
I am using XIRR to calculate the IRR on stock market investments. Outflows are the result of 1) buying shares and 2) paying broker fees. Inflows are the result of 1) Dividends and 2) selling shares. It works most of the times, but in a particular case, it fails and returns #NUM! (if called from VBA using application.run method, the function returns "Error 2036").
Cash flow data fed to XIRR is as follows : Flows : ($6,138.49), $40.00, $4,817.98, $40.00, ($1,741.00), $1,712.00 Dates : 24-Aug-2000, 2-Oct-2000, 22-Dec-2000, 3-Jan-2001,4-Jun-2005, 5-Jun-2005 However, if I change the last date from 5-jun-2005 to 6-jun-2005, XIRR seems to work properly. Any clue anybody ? Thanks in advance for support. |
#2
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Try supplying a value for the last argument, Guess. Others have mentioned that
-0.1 usually works in all situations. On Sun, 5 Jun 2005 16:33:56 +0100, Francois_Provost wrote: I am using XIRR to calculate the IRR on stock market investments. Outflows are the result of 1) buying shares and 2) paying broker fees. Inflows are the result of 1) Dividends and 2) selling shares. It works most of the times, but in a particular case, it fails and returns #NUM! (if called from VBA using application.run method, the function returns "Error 2036"). Cash flow data fed to XIRR is as follows : Flows : ($6,138.49), $40.00, $4,817.98, $40.00, ($1,741.00), $1,712.00 Dates : 24-Aug-2000, 2-Oct-2000, 22-Dec-2000, 3-Jan-2001,4-Jun-2005, 5-Jun-2005 However, if I change the last date from 5-jun-2005 to 6-jun-2005, XIRR seems to work properly. Any clue anybody ? Thanks in advance for support. |
#3
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Thanks Myrna.
Unfortunately, I've tried to specify the 3rd parameter (the guess), and it doesn't work. However, if I change some of the "early" dates in the cash flow to put them later in time, it does give me a result. Obviously, this is of no use to me because it does not reflect real-life events, but I was just curious to see if eliminating a "large" gap in the cash flow (4.5 years) could make XIRR work properly. I guess that this is not a bug in Excel XIRR function, but some incapacity of the "Newton algorithm" to complete properly in this kind of situation. In any case, thanks for your help. François Quote:
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#4
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I have coded the XIRR algorithm in VB, and in fact it runs a bit faster than
the one in the ATP. If you send me your data, I will see if it can handle this data set. myrna larson @ charter . net without the spaces. On Mon, 6 Jun 2005 18:41:25 +0100, Francois_Provost wrote: Thanks Myrna. Unfortunately, I've tried to specify the 3rd parameter (the guess), and it doesn't work. However, if I change some of the "early" dates in the cash flow to put them later in time, it does give me a result. Obviously, this is of no use to me because it does not reflect real-life events, but I was just curious to see if eliminating a "large" gap in the cash flow (4.5 years) could make XIRR work properly. I guess that this is not a bug in Excel XIRR function, but some incapacity of the "Newton algorithm" to complete properly in this kind of situation. In any case, thanks for your help. François Myrna Larson Wrote: Try supplying a value for the last argument, Guess. Others have mentioned that -0.1 usually works in all situations. On Sun, 5 Jun 2005 16:33:56 +0100, Francois_Provost wrote: - I am using XIRR to calculate the IRR on stock market investments. Outflows are the result of 1) buying shares and 2) paying broker fees. Inflows are the result of 1) Dividends and 2) selling shares. It works most of the times, but in a particular case, it fails and returns #NUM! (if called from VBA using application.run method, the function returns "Error 2036"). Cash flow data fed to XIRR is as follows : Flows : ($6,138.49), $40.00, $4,817.98, $40.00, ($1,741.00), $1,712.00 Dates : 24-Aug-2000, 2-Oct-2000, 22-Dec-2000, 3-Jan-2001,4-Jun-2005, 5-Jun-2005 However, if I change the last date from 5-jun-2005 to 6-jun-2005, XIRR seems to work properly. Any clue anybody ? Thanks in advance for support.- |
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