Ever wonder how much your money really earns just by sitting in the bank? That’s where annual percentage yield (APY) comes in. APY shows how much interest your money can earn in a year — and the ...

Matt Webber is an experienced personal finance writer, researcher, and editor. He has published widely on personal finance, marketing, and the impact of technology on contemporary arts and culture.

Annual percentage yield (APY) is the rate of return you earn over a year on deposit accounts. APY can be fixed or variable; this means rates may stay the same for a set time or fluctuate. The APY on a ...