The float refers to profits earned by a financial institution on assets that do not belong to that institution, but are held in custody for a client or other purpose. The float is an important source of profitability in a number of industries, such as:
===Ways that financial institutions earn , interest rates rise when loans are longer-term, to compensate the lender for tying up money and making it inaccessible (this difference in interest rates is known as the Yield Curve. For example, a savings account that allows you to withdraw money at any time would pay a small interest rate, but a CD that leaves you unable to access your money for a period of months or years would pay a higher rate. While an individual bank customer might add or withdraw money unpredictably, the bank as a whole can generally count on having stable deposits across all its customers. This allows the bank to pay short-term interest on checking accounts, but then earn higher, long-term interest on these deposits by lending it out for long-term loans (such as mortgages, which typically last 30 years).