DEFINITION of 'Stated Annual Interest Rate'
The return on an investment that is expressed as a peryear percentage, and that does not account for compounding that occurs throughout the year. The effective annual interest rate, on the other hand, does account for intrayear compounding that can occur on a daily, monthly or quarterly basis. Typically, the effective annual interest rate will lead to higher returns than the stated annual interest rate due to the power of compounding. Investors can compare products and calculate which type of interest will offer the most favorable return.
INVESTOPEDIA EXPLAINS 'Stated Annual Interest Rate'
A $10,000, oneyear certificate of deposit with a stated annual interest rate of 10% will earn $1,000 at maturity. If the money was placed in an interestearning savings account that paid 10% compounded monthly, the account will earn interest at a rate of 0.833% each month (10% divided by 12 months; 10/12 = 0.833). Over the course of the year, this account will earn $1,047.13 in interest, at an effective annual interest rate of 10.47%, which is notably higher than the returns on the 10% stated annual interest rate of the certificate of deposit used in the example.

Nominal Interest Rate
The interest rate before taking inflation into account. The equation ... 
Real Interest Rate
An interest rate that has been adjusted to remove the effects ... 
Fixed Interest Rate
An interest rate on a liability, such as a loan or mortgage, ... 
Interest Rate Ceiling
The maximum interest rate that a financial institution can charge ... 
Variable Interest Rate
An interest rate on a loan or security that fluctuates over time, ... 
Compounding
The ability of an asset to generate earnings, which are then ...

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