@travishorn/financejs
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    Function mirr

    • Calculates the modified internal rate of return for a series of periodic cash flows. Considers both the cost of the investment and the interest received on reinvestment of cash.

      Remarks:

      • Uses the order of values to interpret the order of cash flows. Be sure to enter your payment and income values in the sequence you want and with the correct signs (positive values for cash received, negative values for cash paid).
      • If n is the number of cash flows in values, frate is the financeRate, and rrate is the reinvestRate, then the equation is: ((-NPV(rrate, values[positive]) * (1 + rrate)) / (NPV(frate, values[negative]) * (1 + frate)))^(1 / (n - 1)) - 1

      Parameters

      • values: number[]

        An array that contains numbers. These numbers represent a series of payments (negative values) and income (positive values) occurring at regular periods. Values must contain at least one positive value and one negative value to calculate the modified internal rate of return. Otherwise, an error is thrown (divide by zero).

      • OptionalfinanceRate: number

        The interest rate you pay on the money used in the cash flows.

      • OptionalreinvestRate: number

        The interest rate you receive on the cash flows as you reinvest them.

      Returns number

      the modified internal rate of return

      If values is not an array of at least two elements, or if there are not both positive and negative cash flows.

      If financeRate or reinvestRate is not a number.

      mirr([-120000, 39000, 30000, 21000, 37000, 46000], 0.1, 0.12); // 0.12609413

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