SHORT ANSWER
The core idea
A zero-coupon bond makes no interim coupon payments, so all contractual cash flow arrives at maturity.
THE MECHANISM
What is happening underneath
Because the entire value is concentrated in a distant payment, the bond is highly sensitive to changes in discount rates.
MARKET INTERPRETATION
How investors should read it
For a zero-coupon bond, Macaulay duration equals its maturity.
BONDSTATS TAKEAWAY
← Browse all Bond Market QuestionsThe same market move can carry different information depending on which maturity, issuer and risk premium is changing. Read the question together with the underlying concepts rather than treating one price move as a universal signal.