Internal rate of return (IRR)

Is the interest rate to the one which discount the future flows of charges and payments considered in an investment, for level them with the initial security of the same one (obtaining a Net present value equal to 0). Points out the profitability of the investment, that is, the type to the one which results indifferent have the capital in the current moment, or differ your availability until the dates of charge intended. See Net present value of an investment, NPV.