Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Compound interest is interest that's calculated on ...

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. Suzanne is a ...

The most powerful force in the world of investing is compound interest. In fact, Albert Einstein once called compound interest the “eighth wonder of the world!” But what is compound interest? Why was ...

Compound interest is commonly described as "interest earned on interest." Compound interest can work to your advantage as your investments grow over time, but against you if you're paying off debt, ...