Bond duration
Duration is a sensitivity measure of bond prices to yield changes. Some duration measures are: effective duration, Macaulay duration, and modified duration. The type of duration that we will discuss is modified duration, which measures the percentage change in bond price with respect to a percentage change in yield (typically 1 percent or 100 basis points (bps)).
The higher the duration of a bond, the more sensitive it is to yield changes. Conversely, the lower the duration of a bond, the less sensitive it is to yield changes.
The modified duration of a bond can be thought of as the first derivative of the relationship between price and yield:
Here, dy is the given change in yield, is the price of the bond from a decrease in yield ...
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