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and numpy_financial's IRR (npf.irr) returns -0.5020732642263963 (the same as above)
I'm not 100% sure what the breaking point is, but I have other examples of many more items (up to 180 'deposits') that are returning None from the irr function.
Returns
None
numpy_financial returns
-0.5020732642263963
for these same valuesSimilarly if I reverse the signs
pyxirr's irr returns
None
and numpy_financial's IRR (npf.irr) returns
-0.5020732642263963
(the same as above)I'm not 100% sure what the breaking point is, but I have other examples of many more items (up to 180 'deposits') that are returning None from the irr function.
e.g.:
Please let me know if I could provide anything else to help troubleshoot!
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