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Formula generator for XIRR function

The XIRR function calculates the internal rate of return (IRR) of an investment based on a specified series of potentially irregularly spaced cash flows. It takes into account both the amounts and the dates of the cash flows to determine the rate of return.

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XIRR formula syntax

The XIRR function in Excel calculates the internal rate of return for a series of cash flows that occur at irregular intervals. The syntax for XIRR is as follows: XIRR(values, dates, guess) - values: This is a required argument that represents the series of cash flows. It should be a range of values or an array constant. - dates: This is a required argument that represents the corresponding dates of the cash flows. It should be a range of dates or an array constant. - guess: This is an optional argument that represents the estimated rate of return. If omitted, Excel uses a default guess of 0.1 (10%). The XIRR function returns the internal rate of return as a decimal value. It is important to note that XIRR may return a #NUM! error if it cannot find a result within 20 iterations or if the values array contains no positive or negative values. Overall, the XIRR function is useful for analyzing the profitability or performance of investments or projects with irregular cash flows.

Use Cases & Examples

In these use cases, we use the XIRR function to calculate the internal rate of return for a series of cash flows. The XIRR function takes into account the dates and corresponding cash flows to determine the rate of return.

Investment Analysis


Calculates the internal rate of return (IRR) for a series of cash flows, taking into account the timing of each cash flow. The IRR is the discount rate that makes the net present value (NPV) of the cash flows equal to zero.


XIRR(cashflow_amounts, cashflow_dates, [rate_guess])

Project Evaluation


Determines the profitability of a project by calculating the internal rate of return (IRR) based on the projected cash flows and their respective dates. The IRR helps in comparing different investment opportunities and making informed decisions.


XIRR(cashflow_amounts, cashflow_dates, [rate_guess])

Portfolio Performance


Evaluates the performance of a portfolio by calculating the internal rate of return (IRR) of the cash flows generated by the investments. The IRR helps in assessing the overall return on investment and comparing it with benchmark indices.


XIRR(cashflow_amounts, cashflow_dates, [rate_guess])

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