What is the Modified duration of a portfolio with one 2-year 10% semi-annual coupon bond and three 3-year 10% semi-annual bond when the required yield is 10%? Answer: - - - Both bonds are trading at par, so their prices are equal (to par value) and portfolio weights are (1/4, 34) From Example 3.2 and Exercise 3.1, the modified durations of these two bonds are 1.77 and 2.54, respectively Modified Duration of this portfolio:

Essentials Of Investments
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Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
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**Title: Calculating the Modified Duration of a Portfolio**

**Question:**
What is the modified duration of a portfolio with one 2-year 10% semi-annual coupon bond and three 3-year 10% semi-annual bonds when the required yield is 10%?

**Answer:**
- Both bonds are trading at par, so their prices are equal (to par value) and portfolio weights are \( \left( \frac{1}{4}, \frac{3}{4} \right) \).
- From Example 3.2 and Exercise 3.1, the modified durations of these two bonds are 1.77 and 2.54, respectively.
- Modified Duration of this portfolio = ______________.

**Explanation:**
The problem involves calculating the modified duration of a bond portfolio, which consists of different asset weightings. Given the modified durations of individual bonds and their weight in the portfolio, the overall modified duration can be computed using a weighted average approach.
Transcribed Image Text:**Title: Calculating the Modified Duration of a Portfolio** **Question:** What is the modified duration of a portfolio with one 2-year 10% semi-annual coupon bond and three 3-year 10% semi-annual bonds when the required yield is 10%? **Answer:** - Both bonds are trading at par, so their prices are equal (to par value) and portfolio weights are \( \left( \frac{1}{4}, \frac{3}{4} \right) \). - From Example 3.2 and Exercise 3.1, the modified durations of these two bonds are 1.77 and 2.54, respectively. - Modified Duration of this portfolio = ______________. **Explanation:** The problem involves calculating the modified duration of a bond portfolio, which consists of different asset weightings. Given the modified durations of individual bonds and their weight in the portfolio, the overall modified duration can be computed using a weighted average approach.
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