Bond B has a $1,000 par value and a 7% coupon rate, three years remaining to maturity, and a 9% yield to maturity. The duration of Bond B is _____ years. The modified duration of Bond B is
Answer
Time period | cash flow | PV of cash flow | PV of time waighted cash flow |
1 | 70 | 65.42 | 65.42 |
2 | 70 | 61.14 | 122.28 |
3 | 1070 | 873.43 | 2620.29 |
999.99 | 2807.99 |
PV of cash flow = cash flow /(1+coupon rate)
PV of time waighted cash flow =pv of cash flow * time period
Duration of bond= PV of time waighted cash flow / PV of cash flow
Duration of bond =2807.99/999.99
=2.80 year
Modified Duration = Duration /1+Yk/K
Yk= YTM
K= compounding frequency
= 2.80/1+0.09/1
=2.56 year
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