FinTech Glossary

What Is an Interest Rate

An interest rate is the cost of borrowing money or the return earned on savings or investments, expressed as a percentage of the principal amount over a specific period of time.

Financial Context

Interest rates play a central role in financial systems by influencing borrowing, spending, saving, and investment decisions.

They apply across loans, credit facilities, deposits, bonds, and other financial instruments.

Interest rates are determined by market forces, lender policies, and central bank actions.

Types of Interest Rates

Interest rates can be classified in several ways, including:

1. Fixed interest rate, which remains constant over time
2. Variable interest rate, which changes based on benchmarks or market conditions
3. Nominal interest rate, which does not account for inflation
4. Real interest rate, adjusted for inflation
5. Simple interest, calculated only on principal
6. Compound interest, calculated on principal and accumulated interest

How Interest Rates Are Determined

Interest rates are influenced by multiple factors such as inflation, economic growth, credit risk, and liquidity conditions.

Central banks set benchmark rates to guide overall lending and borrowing costs in the economy.

Financial institutions adjust interest rates based on borrower risk, loan tenure, and market competition.