Why is the weighted average portfolio duration method said to have a 'limitation' regarding yield changes?

Correct answer: It assumes all yields change by the same amount (parallel shift).

Explanation

The aggregation assumes a single 'yield change' parameter applies to all bonds.

Other questions

Question 1

What does bond convexity primarily measure in the context of the price-yield relationship?

Question 2

For an option-free bond with positive convexity, how does the bond price react to equal sized increases and decreases in yield?

Question 3

Which formula correctly estimates the percentage change in bond price using both duration and convexity?

Question 4

A bond has a modified duration of 8 and a convexity of 100. If the yield increases by 1% (0.01), what is the estimated percentage price change?

Question 5

Using the same bond (Duration 8, Convexity 100), if the yield decreases by 1% (-0.01), what is the estimated percentage price change?

Question 6

What happens to the rate at which bond price decreases as the yield increases?

Question 7

What happens to the rate at which bond price increases as the yield decreases?

Question 8

How does convexity affect the accuracy of price prediction for large yield changes?

Question 9

Which of the following is the formula for calculating Money Convexity?

Question 10

If a bond has an annual convexity of 50 and a full price of $1,000, what is the Money Convexity?

Question 11

What does Money Convexity capture?

Question 12

Which equation correctly estimates the change in the full price of a bond using Money Duration and Money Convexity?

Question 13

According to the term structure of yield volatility, which yields are typically more volatile?

Question 14

How is portfolio duration commonly calculated in practice?

Question 15

What is the primary limitation of calculating portfolio duration as a weighted average of individual bond durations?

Question 16

What weights are used when calculating the weighted average portfolio duration?

Question 17

What is the 'Duration Gap' defined as?

Question 18

If the Investment Horizon (HP) is less than the Macaulay Duration (MD), which risk dominates?

Question 19

If the Investment Horizon (HP) is greater than the Macaulay Duration (MD), which risk dominates?

Question 20

If the Investment Horizon equals the Macaulay Duration, what is the effect on interest rate risk?

Question 21

A bond has a Macaulay Duration of 7 years. If an investor's horizon is 3 years, and interest rates rise significantly, how will the realized yield compare to the initial YTM?

Question 22

A bond has a Macaulay Duration of 7 years. If an investor's horizon is 10 years, and interest rates rise significantly, how will the realized yield compare to the initial YTM?

Question 23

A portfolio consists of Bond A (Weight 40%, Duration 5) and Bond B (Weight 60%, Duration 10). What is the portfolio duration using the weighted average method?

Question 24

The 'Duration Gap' is positive when:

Question 25

If the Duration Gap is zero, the bond portfolio is said to be:

Question 26

In the context of horizon analysis, when interest rates fall (e.g., from 5% to 2%), what happens to an investor with a positive duration gap (Horizon < Duration)?

Question 27

Which portfolio duration method would be least accurate for a portfolio of callable bonds?

Question 28

A bond's Money Convexity is 200,000 and Money Duration is 5,000. For a yield increase of 0.01 (1%), what is the approximate change in the bond's full price?

Question 30

In the formula for percentage price change, what is the sign of the convexity adjustment term for a standard option-free bond?

Question 31

A bond has duration 4 and convexity 20. If yields rise by 200 basis points (0.02), what is the convexity adjustment to the price change?

Question 32

Which risk measures are most appropriate for a bond with embedded options?

Question 33

If a bond's price-yield curve is a straight line, what is its convexity?

Question 34

What happens to the reinvestment income when interest rates rise?

Question 35

What happens to the capital gain/loss on sale (price risk) when interest rates rise?

Question 36

In the Duration Gap analysis, the two offsetting risks are:

Question 37

If a portfolio has a negative duration gap (Horizon > Duration), what is the investor's view on interest rates to maximize return?

Question 38

Which duration statistic is best for estimating the absolute change in the bond's value (in currency units)?

Question 39

If you hold a bond to maturity, what is your primary interest rate risk?

Question 40

The convexity of a bond is 60. The yield changes by 0.005 (0.5%). What is the approximate convexity adjustment percentage?

Question 41

Which statement regarding Term Structure of Yield Volatility is true?

Question 42

What does a Macaulay Duration of 7 years imply about the investment horizon?

Question 43

Using weights based on full price to calculate portfolio duration is theoretically equivalent to assuming:

Question 44

Money Duration is calculated as:

Question 45

For a bond with duration 10 and convexity 200, estimate the price change for a 2% (0.02) yield increase.

Question 46

For a bond with duration 10 and convexity 200, estimate the price change for a 2% (0.02) yield decrease.

Question 47

Why might the 'Cash flow yield' method be considered theoretically better for option-free bond portfolios?

Question 48

What is the primary reason convexity is always positive for a standard option-free bond?

Question 49

Which portfolio is 'Immunized'?

Question 50

In the FinTree Fruit 6 diagram, if the YTM drops to 2%, what outcome is shown for the short investment horizon?