How Do Banks Calculate Interest Rates on Your Money?
Interest rates control how much borrowers have to pay on loans they take out, and how much banks offer to pay on funds that investors deposit in their accounts. There are various types of interest rates, and some change over time, but banks set their interest rates, whether fixed or variable, in response to a number of internal and external factors. Each bank has its own formula that it uses to calculate individual interest rates, and it takes into account different primary conditions.
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Direct Profit
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Foremost, banks are concerned with their profit. Banks make a profit by charging interest: Otherwise, they're just loaning money they have for no purpose. So an important factor in interest rates is how much money the bank wants to make for that particular term. Banks may raise or lower interest rates and associated fees slightly in response to their own internal goals.
Indirect Profit
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When it comes to paying interest out to customers, banks walk a fine line. The higher interest rates they offer customers, the more customers are attracted to their account options. But the lower rates they offer, the less money they have to pay out and the more profit they can make. Lower rates on savings accounts make the bank indirect profit by siphoning less money away from the direct profit they make through loaning.
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Economic Conditions
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A vital part of bank interest-rate calculation is current economic conditions. Banks have prime rates that are actually indexes that take into account different economic factors, including stock market activity, to create a base rate the bank can use as a reference. When the economy slows, banks often raise their rates to keep profits up as demand for loans falls. As the economy grows, banks offer lower rates to remain competitive.
Government Regulation
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Government regulation also plays an important role in interest rate calculations. The government can control interest rates by changing the federal rate, which affects the rates at which the government issues bonds and bills. This has far-reaching consequences in all industries, including the banking industry. The federal rate controls how easily banks can get a return on their cash flows and how eager other businesses are to lend or borrow.
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