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 approachUnified approach

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

3% Minimum guarantee on 90% premium

20%0% 62.17 56.27 68.58 59.94 58.38 63.08 59.59 70.28 69.9870.05
4% 62.17 55.85 69.17 59.79 58.07 63.12 59.46 70.27 69.4070.64
8% 62.15 55.44 69.75 59.63 57.75 63.15 59.31 70.25 68.8371.23
30%0% 48.95 43.20 55.15 47.02 45.63 49.79 46.54 55.46 55.1455.25
4% 48.95 42.93 55.54 46.93 45.43 49.82 46.45 55.45 54.7455.68
8% 48.94 42.66 55.93 46.83 45.23 49.85 46.37 55.45 54.3556.11

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%32.2029.1235.3831.2530.5632.6330.9639.2739.1338.98
4% 32.20 28.89 35.69 31.18 30.40 32.65 30.89 39.27 38.7739.36
8% 32.19 28.65 36.00 31.10 30.23 32.67 30.81 39.27 38.4139.75