The difference between APR and APY may be one small letter, but it's one giant leap in potential cost or return to investors. Both APR, the annual percentage rate, and APY, the annual percentage ...

The key difference between APY and APR is compound interest. Before investing, compare their potential returns.

Whether you’re signing up for a credit card, opening a new bank account or looking for a loan, it’s important to understand the three letters that will appear next to your interest rate. APR means ...

What is APR exactly? Learn more about annual percentage rates and how they can affect you as an investor or as a borrower.

The good news is, you don’t have to understand the formula to take advantage of it—banks are required to display the APY on their deposit products for consumers to see.

APR and APY are both used to calculate interest for investment and credit products but they differ in how they affect what you must earn or what you must pay.