{"id":303,"date":"2025-07-15T13:34:46","date_gmt":"2025-07-15T13:34:46","guid":{"rendered":"https:\/\/functiontranslator.com\/2021\/02\/12\/mduration\/"},"modified":"2021-02-13T11:35:10","modified_gmt":"2021-02-13T11:35:10","slug":"mduration","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/en\/mduration\/","title":{"rendered":"MDURATION"},"content":{"rendered":"

Introduction<\/h2>\n

This article delves into the concept of modified duration and how it is applied in MS Excel and Google Sheets. Modified duration serves as a crucial financial metric, assessing how sensitive a bond’s price is to changes in interest rates. This measurement is invaluable for investors who need to gauge how interest rate fluctuations could affect their bond holdings.<\/p>\n

Description<\/h2>\n

Modified duration quantifies the sensitivity of a bond\u2019s price relative to shifts in interest rates. It calculates the expected percentage change in a bond’s price resulting from a 1% variation in yield. The formula to compute modified duration is:<\/p>\n

Modified Duration = Macaulay Duration \/ (1 + Yield-to-Maturity \/ Number of Compounding Periods)<\/strong><\/p>\n

MS Excel<\/h2>\n

In MS Excel, the MDURATION<\/code> function is utilized to compute the modified duration of a bond. The syntax for the MDURATION<\/code> function is:<\/p>\n

=MDURATION(settlement, maturity, coupon, yield, frequency, [basis])<\/code><\/pre>\n
    \n
  • settlement:<\/strong> The date when the bond is officially settled.<\/li>\n
  • maturity:<\/strong> The date when the bond matures.<\/li>\n
  • coupon:<\/strong> The annual coupon rate of the bond.<\/li>\n
  • yield:<\/strong> The annual yield of the bond.<\/li>\n
  • frequency:<\/strong> The frequency of coupon payments per year (e.g., 1 for annual, 2 for semi-annual).<\/li>\n
  • basis:<\/strong> (Optional) The day count convention to employ (0, or omitted, for US (NASD) 30\/360; 1 for actual\/actual).<\/li>\n<\/ul>\n
    Here is an example demonstrating the application of the MDURATION<\/code> function in Excel:<\/p>\n\n\n\n
    Settlement Date<\/th>\nMaturity Date<\/th>\nCoupon Rate<\/th>\nYield<\/th>\nFrequency<\/th>\nModified Duration<\/th>\n<\/tr>\n
    1\/1\/2022<\/td>\n1\/1\/2032<\/td>\n5%<\/td>\n4%<\/td>\n2<\/td>\n=MDURATION(A2, B2, C2, D2, E2)<\/td>\n<\/tr>\n<\/table>\n
    Google Sheets<\/h2>\n
    Google Sheets also incorporates the MDURATION<\/code> function, functioning identically to its Excel counterpart. The syntax is the same:<\/p>\n
    =MDURATION(settlement, maturity, coupon, yield, frequency, [basis])<\/code><\/pre>\n
    This ensures consistency and familiarity for users switching between these two platforms.<\/p>\n
    Conclusion<\/h2>\n
    Understanding modified duration is vital for bond investors to manage the risks associated with interest rate movements effectively. Through the MDURATION<\/code> function available in MS Excel and Google Sheets, investors can easily calculate this metric, allowing them to make well-informed decisions about their bond portfolios.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Returns the Macauley modified duration for a security with an assumed par value of $100<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[199],"tags":[],"class_list":["post-303","post","type-post","status-publish","format-standard","hentry","category-financial"],"acf":[],"yoast_head":"\nExcel MDURATION Function \u2013 How It Works, Formula Examples and Syntax<\/title>\n<meta name=\"description\" content=\"Learn what the Excel MDURATION function does. 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