Consider a self-financed convexity trade.
Three zero couple bonds:
i. 2Y zero at 1.60%; ii. 10Y zero at 1.85%; iii. 30Y zero at 2.30%
a. Calculate duration and convexity for all three
For a zero coupon bond,
Duration of the bond equals its years to maturity and its convexity is square of the years to maturity.
i). For 2Y zero at 1.60%
Years to maturity t = 2 years
So duration t = 2 years
& Convexity = t^2 = 2^2 = 4
ii). For 10Y zero at 1.85%
Years to maturity t = 10 years
So duration t = 10 years
& Convexity = t^2 = 10^2 = 100
iii).30Y zero at 2.30%
Years to maturity t = 30 years
So duration t = 30 years
& Convexity = t^2 = 30^2 = 900
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