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NumPy Financial functions: mirr() function

numpy.mirr() function

The mirr() function is used to modify internal rate of return.

Syntax:

numpy.mirr(values, finance_rate, reinvest_rate)

Version: 1.15.0

Parameter:

Name Description Required /
Optional
values Cash flows (must contain at least one positive and one negative value) or nan is returned.
The first value is considered a sunk cost at time zero.
array_like		 Required
finance_rate Interest rate paid on the cash flows
scalar		 Required
reinvest_rate Interest rate received on the cash flows upon reinvestment
scalar		 Required

Returns: out : float

Modified internal rate of return

NumPy.mirr() method Example:

If you investment $1000 and withdrawals at regular interval $100, $50, $10 and $15. Here finance_rate .34 and reinvest_rate .21, Then the calculate modified internal rate of return (mirr)?

>>> import numpy as np
>>> np.mirr([-1000, 100, 50, 10, 15], .34, .21)

Output:

-0.2742274708267268

Python - NumPy Code Editor:

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