Year | cash flow from bonds | present value of cash flow = cash flow/(1+r)^n r = 9% | present value of cash flow = cash flow/(1+r)^n r = 9% | present value of cash flow* year |
1 | 6.55 | 6.55/1.09^1 | 6.009174312 | 6.009174312 |
2 | 6.55 | 6.55/1.09^2 | 5.513003956 | 11.02600791 |
3 | 6.55 | 6.55/1.09^3 | 5.057801794 | 15.17340538 |
4 | 6.55 | 6.55/1.09^4 | 4.640185132 | 18.56074053 |
5 | 170.25 | 170.25/1.09^5 | 110.6508185 | 553.2540926 |
value of bond = sum of present value of cash flow | 6.009+5.513+5.057+5.640+110.650 | 131.8709837 | ||
sum of ( present value of cash flow*year) | 6.09+11.026+15.173+18.560+553.254 | 604.0234207 | ||
Maculay's duration = sum of (present value of cash flow) / value of bond | 604.023/131.870 | 4.58 | ||
Modified duration | Maculay's duration/(1+r)^n | 4.58/(1.09) | 4.20 |
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