Research Article
Pricing Equity-Indexed Annuities under Stochastic Interest Rates Using Copulas
Table 1
Point-to-point with term-end design for various interest rate volatilities.
| | | | Decomposed approach | Unified approach |
| | | | | | | | | | | | |
| 3% Minimum guarantee on 90% premium |
| 20% | 0% | 62.17 | 56.27 | 68.58 | 59.94 | 58.38 | 63.08 | 59.59 | 70.28 | 69.98 | 70.05 | 4% | 62.17 | 55.85 | 69.17 | 59.79 | 58.07 | 63.12 | 59.46 | 70.27 | 69.40 | 70.64 | 8% | 62.15 | 55.44 | 69.75 | 59.63 | 57.75 | 63.15 | 59.31 | 70.25 | 68.83 | 71.23 | 30% | 0% | 48.95 | 43.20 | 55.15 | 47.02 | 45.63 | 49.79 | 46.54 | 55.46 | 55.14 | 55.25 | | 4% | 48.95 | 42.93 | 55.54 | 46.93 | 45.43 | 49.82 | 46.45 | 55.45 | 54.74 | 55.68 | | 8% | 48.94 | 42.66 | 55.93 | 46.83 | 45.23 | 49.85 | 46.37 | 55.45 | 54.35 | 56.11 |
| 3% Minimum guarantee on 100% premium |
| 20% | 0% | 44.58 | 41.32 | 47.87 | 43.45 | 42.65 | 45.06 | 43.20 | 53.25 | 53.12 | 52.88 | 4% | 44.57 | 40.93 | 48.38 | 43.32 | 42.36 | 45.09 | 43.07 | 53.25 | 52.56 | 53.46 | 8% | 44.55 | 40.53 | 48.89 | 43.18 | 42.07 | 45.12 | 42.94 | 53.24 | 52.00 | 54.03 | 30% | 0% | 32.20 | 29.12 | 35.38 | 31.25 | 30.56 | 32.63 | 30.96 | 39.27 | 39.13 | 38.98 | 4% | 32.20 | 28.89 | 35.69 | 31.18 | 30.40 | 32.65 | 30.89 | 39.27 | 38.77 | 39.36 | 8% | 32.19 | 28.65 | 36.00 | 31.10 | 30.23 | 32.67 | 30.81 | 39.27 | 38.41 | 39.75 |
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