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DURATION & RISK

Modified Duration

Approximates percentage price sensitivity to a small change in yield.

Formula

D_mod = D_M/(1+y/m)

Variables: D_M Macaulay duration; y yield; m compounding frequency

What it means

Approximates percentage price sensitivity to a small change in yield.

Example

A modified duration of 6 implies roughly a 6% opposite-direction price move for a 1 percentage-point yield change, before convexity.

How to interpret it

This concept should be read together with its market convention, measurement horizon and underlying instrument. BondStats presents it as an analytical reference rather than investment advice; instrument documentation and primary market rules remain authoritative.

BondStats reference content is independently written. Mathematical relationships, abbreviations and market conventions are presented for educational and analytical use.