An annual percentage yield, or APY, is the rate of return on money in a bank account. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you ...

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.

Money market yield measures the annualized return on short-term, low-risk investments like Treasury bills and commercial paper. It helps investors compare the earnings potential of different money ...