 Formulas > =MDURATION()

# How To Use MDURATION() Function in Google Sheets

Description

Calculates the modified Macaulay duration of a security paying periodic interest, such as a US Treasury Bond, based on expected yield.

Common questions about the MDURATION Formula:
• What is the MDURATION Formula?
• How does the MDURATION Formula work?
• What data do you need to input into the MDURATION Formula?
• What are the arguments of the MDURATION Formula?
• How accurate is the MDURATION Formula?

How can the MDURATION Formula be used appropriately?
• By inputting the appropriate data, such as the issue date, the first coupon date, frequency of coupon payments, the maturity date, and the yield, the MDURATION Formula can be used to calculate the duration of an investment.

How can the MDURATION Formula be commonly mistyped?
• The formula may be mistyped as "MDFURATION" or "MDURATAION" due to a typographical error.  Also MDURAITON, MDRATION, MDURTION, MDRUATIN.

What are some common ways the MDURATION Formula is used inappropriately?
•  The MDURATION Formula should not be used to calculate present value.
• The MDURATION Formula should not be used to measure interest rate or yields.

What are some common pitfalls when using the MDURATION Formula?
• Incorrectly inputting the data can create inaccurate results.
• The MDURATION Formula should not be used to calculate any type of financial return.

What are common mistakes when using the MDURATION Formula?
• Incorrectly inputting the data can produce incorrect results.
• Inputting a different frequency of coupon payments than the actual frequency of the investment can lead to inaccurate results.

What are common misconceptions people might have with the MDURATION Formula?
• Many users mistakenly believe that the MDURATION Formula can give them the present value of the investment rather than the duration of the investment.
• Users may make the assumption that the MDURATION Formula can be used to calculate the actual yield/interest rate of the investment, when it is only used to calculate the duration.

How To Actually Use MDURATION() in Sheets

`MDURATION(settlement, maturity, rate, yield, frequency, [day_count_convention])`

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