Question
please answer d, e, f Q 2 Bond Ret urn and Convexity . Consider a self-fi nanced convexity trade. Three zero couple bonds: i. 2Y
please answer d, e, f
Q2 Bond Return and Convexity. Consider a self-financed convexity trade.
Three zero couple bonds:
i. 2Y zero at 1.00%; ii. 10Y zero at 2.50%; iii. 30Y zero at 3.50%
a. Calculate duration and convexity for all three (5 points)
b. If you want to combine 2Y and 30Y zero to match the $100M bullet in 10Y zero for dollar duration, what is percentage weights in 2Y and 30Y respectively? (note: combined value in 2Y and 30Y is also $100M, ie weights sum up to 100%) (5 points)
c. The combination of 2Y and 30Y is a barbell. 10Y only position is a bullet. What are the daily interest accruals of $100M portfolio in long barbell portfolio, and $100M in long bullet, respectively (5 points)?
d. What is the DOLLAR convexity of a dollar duration neutral that is LONG barbell and SHORT bullet (LONG $100M of barbell and SHORT $100M of bullet)? (5points)
e. What is the total PnL for a 1 bps upward parallel movement of yield curve due to convexity effect? (5points)
f. What is the breakeven level of single day parallel yield change for the long-short portfolio? (hint: breakeven level is achieved when convexity profit is offset by daily interest cost) (5 points)
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