Interest rates can be either fixed ([[fixed rates]]) or they can change ([[adjustable rates]]). Rates on [[savings]] and [[checking]] accounts in a bank will usually change over time whereas a [[certificate of deposit]] will usually have a fixed rate for the life of the contract. | Interest rates can be either fixed ([[fixed rates]]) or they can change ([[adjustable rates]]). Rates on [[savings]] and [[checking]] accounts in a bank will usually change over time whereas a [[certificate of deposit]] will usually have a fixed rate for the life of the contract. |