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Glossary

Interest rate

Educational guideSeptember 2026

Glossary entry

An interest rate expresses the price of borrowing or the compensation for lending over a stated period, usually quoted annually. Rates can be fixed or variable and may use different compounding and day-count conventions. Policy rates influence financial conditions, while an individual's actual rate also reflects credit risk, maturity, collateral, and lender terms.

Illustrative example

At 5% simple annual interest, borrowing 1,000 for one year produces 50 of interest before fees. Compounding or a different term changes the calculation.

What to consider

Compare effective costs and repayment terms, not just headline rates. Variable rates can increase future payments and change investment valuations.

General information, not a personal recommendation. Product availability, rights, and obligations are determined by the relevant provider, jurisdiction, and approved agreements.

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