Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Before exploring market-linked products, some investors prefer to understand basic interest concepts and how money grows over ...

Affiliate links for the products on this page are from partners that compensate us and terms apply to offers listed (see our advertiser disclosure with our list of partners for more details). However, ...

Interest is the amount of money you must pay to borrow money in addition to the loan's principal. It's also the amount you are paid over time when you deposit money in a savings account or certificate ...

Simple interest is used when a company borrows money for a loan. Usually this amount will be on a monthly basis. The formula for simple interest is principal times the interest rate times the period.

A simple interest loan calculates the interest based only on the principal you owe. It stands in contrast to a compound interest loan, which calculates interest based on principal and any outstanding ...