Annual percentage yield (APY) is the effective annual rate of return on an investment. Learn how it accounts for compounding interest and how it differs from APR.

The APY and the interest rate are two key figures to know when storing money in a savings account or other interest-earning bank account. Both are expressed as percentages, but an account' ...

The Rule of 72 is a shortcut or rule of thumb used to estimate the number of years required to double your money at a given annual rate of return and vice versa.

Compound interest refers to the returns that you earn on interest. The impact of it grows significantly over long time ...

How to Open a Compound Interest Account A compound interest account is any account that pays you interest on your principal and interest, and not simply on your original deposit. Such an account might ...