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  2. Rate of return - Wikipedia

    en.wikipedia.org/wiki/Rate_of_return

    An annual rate of return is a return over a period of one year, such as January 1 through December 31, or June 3, 2006, through June 2, 2007, whereas an annualized rate of return is a rate of return per year, measured over a period either longer or shorter than one year, such as a month, or two years, annualized for comparison with a one-year ...

  3. Time value of money - Wikipedia

    en.wikipedia.org/wiki/Time_value_of_money

    The formula for the present value of a regular stream of future payments (an annuity) is derived from a sum of the formula for future value of a single future payment, as below, where C is the payment amount and n the period. A single payment C at future time m has the following future value at future time n: = (+) Summing over all payments ...

  4. Payback period - Wikipedia

    en.wikipedia.org/wiki/Payback_period

    To calculate a more exact payback period: Payback Period = Amount to be Invested/Estimated Annual Net Cash Flow. [4] It can also be calculated using the formula: Payback Period = (p - n)÷p + n y = 1 + n y - n÷p (unit:years) Where n y = The number of years after the initial investment at which the last negative value of cumulative cash flow ...

  5. Amortization calculator - Wikipedia

    en.wikipedia.org/wiki/Amortization_calculator

    An amortization calculator is used to determine the periodic payment amount due on a loan (typically a mortgage), based on the amortization process.. The amortization repayment model factors varying amounts of both interest and principal into every installment, though the total amount of each payment is the same.

  6. Annuity - Wikipedia

    en.wikipedia.org/wiki/Annuity

    The rent is understood as either the amount paid at the end of each period in return for an amount PV borrowed at time zero, the principal of the loan, or the amount paid out by an interest-bearing account at the end of each period when the amount PV is invested at time zero, and the account becomes zero with the n-th withdrawal.

  7. Amortization schedule - Wikipedia

    en.wikipedia.org/wiki/Amortization_schedule

    The first payment is assumed to take place one full payment period after the loan was taken out, not on the first day (the origination date) of the loan. The last payment completely pays off the remainder of the loan. Often, the last payment will be a slightly different amount than all earlier payments.

  8. Compound interest - Wikipedia

    en.wikipedia.org/wiki/Compound_interest

    The amount of interest paid every six months is the disclosed interest rate divided by two and multiplied by the principal. The yearly compounded rate is higher than the disclosed rate. Canadian mortgage loans are generally compounded semi-annually with monthly or more frequent payments. [1] U.S. mortgages use an amortizing loan, not compound ...

  9. Annual percentage rate - Wikipedia

    en.wikipedia.org/wiki/Annual_percentage_rate

    p is the payment made each period P 0 is the initial principal r is the percentage rate used each payment n is the number of payments. This also explains why a 15-year mortgage and a 30-year mortgage with the same APR would have different monthly payments and a different total amount of interest paid.