What Is Duration in Finance and How Is It Calculated?

Learn what duration means in finance and how to calculate it to assess investment sensitivity to interest rate changes.

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Duration refers to the length of time that an investment is expected to be held before it reaches its maturity. It is calculated by considering both the payment periods (if applicable) and the time value of money. In finance, it's a critical measure for assessing an investment's sensitivity to interest rate changes. To calculate it, you sum the present values of all cash flows, weighted by the time until those cash flows occur, and then divide by the total present value of the security.

FAQs & Answers

  1. What does duration measure in finance? Duration measures the sensitivity of an investment's price to changes in interest rates, reflecting the weighted average time to receive all cash flows.
  2. How do you calculate duration of an investment? Duration is calculated by summing the present values of all cash flows weighted by the time until each payment, then dividing by the total present value of the security.
  3. Why is duration important for investors? Duration helps investors understand how much bond prices might change as interest rates fluctuate, helping assess risk and manage portfolios effectively.

Watch More

For a deeper understanding of related financial measures, check out our guides on bond convexity, yield to maturity, and interest rate risk management to enhance your investment strategies.

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