2. The following data was collected for zero coupon Treasury bonds. Based on this information, compute the risk-free rates for the 6month – 10-year horizon, in increments of 6 months (i.e., compute risk-free rates for 6 months, 1-year, 1.5- year, etc.)
Maturity |
Price |
Risk-free rate |
0.5 |
98:26 |
|
1.0 |
97:15 |
|
1.5 |
96:31 |
|
2.0 |
96:09 |
|
2.5 |
95:04 |
|
3.0 |
94:18 |
|
3.5 |
93:14 |
|
4.0 |
91:04 |
|
4.5 |
90:18 |
|
5.0 |
89:13 |
|
5.5 |
86:19 |
|
6.0 |
85:30 |
|
6.5 |
84:23 |
|
7.0 |
83:20 |
|
7.5 |
82:19 |
|
8.0 |
81:12 |
|
8.5 |
80:03 |
|
9.0 |
79:14 |
|
9.5 |
77:06 |
|
10.0 |
75:20 |
The risk free rate is given by yield to maturity of a zero coupon treasury bond.
Yield to Maturity = (Face Value / Current Price of Bond) ^ (1 / Years to Maturity) - 1
This formula is used to compute the risk free rates for the 6 month – 10 year horizon, in increments of 6 months.
For example, for the zero coupon bond with maturity of 0.5 years, risk free rate = (100/98.26)^(1/0.5)-1 = 0.0357 or 3.57%
Maturity | Price | Risk-free rate |
Par value | 100 | |
0.5 | 98.26 | 3.57% |
1.0 | 97.15 | 2.93% |
1.5 | 96.31 | 2.54% |
2.0 | 96.09 | 2.01% |
2.5 | 95.04 | 2.06% |
3.0 | 94.18 | 2.02% |
3.5 | 93.14 | 2.05% |
4.0 | 91.04 | 2.37% |
4.5 | 90.18 | 2.32% |
5.0 | 89.13 | 2.33% |
5.5 | 86.19 | 2.74% |
6.0 | 85.30 | 2.69% |
6.5 | 84.23 | 2.68% |
7.0 | 83.20 | 2.66% |
7.5 | 82.19 | 2.65% |
8.0 | 81.12 | 2.65% |
8.5 | 80.03 | 2.66% |
9.0 | 79.14 | 2.63% |
9.5 | 77.06 | 2.78% |
10.0 | 75.20 | 2.89% |
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