Research Article

Pricing Equity-Indexed Annuities under Stochastic Interest Rates Using Copulas

Table 2

Point-to-point with term-end design and 15% cap rate for various interest rate volatilities.

Decomposed approach Unified approach

σσr(t)CICUCDC0.5CJC2CJC-0.1GC0.3GCICUCD

3% Minimum guarantee on 90% premium

20%0%65.65 59.00 72.98 62.95 61.16 66.69 62.73 75.95 76.61 75.43
4%65.65 58.61 73.40 62.82 60.88 66.72 62.62 75.95 76.10 75.85
8%65.64 58.23 73.85 62.68 60.61 66.75 62.50 75.94 75.64 76.29
30%0%58.94 51.26 67.42 55.97 54.00 60.11 55.62 69.87 70.94 69.33
4%58.94 51.10 67.54 55.91 53.89 60.12 55.59 69.88 70.66 69.52
8%58.94 50.96 67.70 55.86 53.79 60.13 55.56 69.90 70.45 69.76

3% Minimum guarantee on 100% premium

20%0% 45.20 41.85 48.58 44.00 43.18 45.69 43.78 54.60 54.93 54.10
4% 45.19 41.44 49.07 43.87 42.89 45.72 43.66 54.60 54.35 54.63
8% 45.17 41.03 49.56 43.73 42.59 45.74 43.52 54.59 53.80 55.16
30%0%34.2530.8637.7833.1232.3434.7332.8743.2043.9942.60
4% 34.25 30.63 38.04 33.06 32.19 34.75 32.81 43.20 43.46 42.96
8% 34.25 30.40 38.31 32.99 32.04 34.77 32.74 43.21 42.97 43.45