Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Michael Boyle is an experienced financial ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Knowing your loan's interest rate matters, as does learning how that rate is calculated. Interest is either simple or compound. If ...

Simple interest is the interest applied only to the original amount of money deposited or borrowed. Calculating simple interest requires knowing your principal amount, annual interest rate, and time ...

A simple interest loan doesn’t charge you additional interest on your accrued interest. In other words, the only interest you pay is on the outstanding principal balance of your loan. Auto loans and ...

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 ...