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The effective interest rate ( EIR ), effective annual interest rate, annual equivalent rate ( AER) or simply effective rate is the percentage of interest on a loan or financial product if compound interest accumulates in periods different than a year. [ 1] It is the compound interest payable annually in arrears, based on the nominal interest rate.
Equivalent annual cost. In finance, the equivalent annual cost ( EAC) is the cost per year of owning and operating an asset over its entire lifespan. It is calculated by dividing the negative NPV of a project by the "present value of annuity factor": , where. where r is the annual interest rate and. t is the number of years.
For a fully amortizing loan, with a fixed (i.e., non-variable) interest rate, the payment remains the same throughout the term, regardless of principal balance owed. For example, the payment on the above scenario will remain $733.76 regardless of whether the outstanding (unpaid) principal balance is $100,000 or $50,000.
The interest rate must necessarily coincide with the payment period. If not, either the payment period or the interest rate must be modified. For example, if the interest rate given is the effective annual interest rate, but cash flows are received (and/or paid) quarterly, the interest rate per quarter must be computed.
The opposite of discounting is compounding. Taking the example in reverse, it is the equivalent of investing 3,186.31 at t = 0 (the present value) at an interest rate of 10% compounded for 12 years, which results in a cash flow of 10,000 at t = 12 (the future value). The importance of NPV becomes clear in this instance.
Duration gap. In Finance, and accounting, and particularly in asset and liability management (ALM), the duration gap is the difference between the duration - i.e. the average maturity - of assets and liabilities held by a financial entity. [1] A related approach is to see the "duration gap" as the difference in the price sensitivity of interest ...
An interest rate mismatch occurs when a bank borrows at one interest rate but lends at another. For example, a bank might borrow money by issuing floating interest rate bonds, but lend money with fixed-rate mortgages. If interest rates rise, the bank must increase the interest it pays to its bondholders, even though the interest it earns on its ...
For example, it’s difficult to find a personal loan with a variable rate or high-yield savings account with a fixed rate. But with some products like home or car loans, you can choose the type ...