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The Daily Insight

Does the value of a bond change?

Author

Henry Morales

Published Feb 19, 2026

It’s important to note that the par value of a bond—the amount you will receive at maturity—will never change regardless of the market rate or bond price. The par value itself, and thus the value of a bond payable upon maturity, will never change, regardless of the bond price or market interest rates.

How does the value of a bond change over time?

Changes in interest rates affect bond prices by influencing the discount rate. Inflation produces higher interest rates, which in turn requires a higher discount rate, thereby decreasing a bond’s price. Meanwhile, falling interest rates cause bond yields to also fall, thereby increasing a bond’s price.

Why does the longer term 15 year bond fluctuate more when interest rates change than does the shorter term bond 1 year )?

There are two primary reasons why long-term bonds are subject to greater interest rate risk than short-term bonds: There is a greater probability that interest rates will rise (and thus negatively affect a bond’s market price) within a longer time period than within a shorter period.

How do you calculate bond change?

The formula to calculate the percentage change in the price of the bond is the change in yield multiplied by the negative value of the modified duration multiplied by 100%. This resulting percentage change in the bond, for an interest rate increase from 8% to 9%, is calculated to be -4.62% (0.01* – 4.62* 100%).

Are long term bonds riskier?

The reason: A longer-term bond carries greater risk that higher inflation could reduce the value of payments, as well as greater risk that higher overall interest rates could cause the bond’s price to fall. They yield more than shorter-term bonds and are less volatile than longer-term issues.

What is the percent of change from 2 to 3?

Detailed answer: Where: 2 is the old value and 3 is the new value. In this case we have a positive change (increase) of 50 percent because the new value is greater than the old value.