A portfolio of short-term bonds has expected cash flows of $350mln, $274mln, and $241mln at the end of Years 1, 2, and 3, respectively. Currently, the appropriate one-, two-, and three-year yields are 2.31%, 3.47%, and 3.87%, respectively. What is the portfolio's two-year rate duration? Round to four decimals
Duration of a bond is the sumproduct of the weighted cash flow, multiplied by its period and summed up.
Present Value is calculated by using Excel formula of PV: PV(rate,nper,pmt,FV)
Weighted Cash flow is calculated : Present value / sum of total present value
period (nper) | cash flow(FV) | rate | present value(PV) | weighted cash flow | duration |
1 | 350 | 2.31% | 342.10 | .5720 | .5720 |
2 | 274 | 3.47% | 255.93 | .4280 | .8559 |
Total | 598.03 | Total | 1.4279 |
The portfolio's two-year rate duration is : 1.4279
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