Research Article
Modeling and Risk Analysis Using Parametric Distributions with an Application in Equity-Linked Securities
Table 5
The estimated parameters of the eight distributions and maximum log-likelihood for the filtered residuals from S&P 500’s log return.
| Model | No. | Parameters | Log-L. |
| Cauchy | 2 | μ | σ | | | | −3452.9 | | 0.0761 | 0.5122 | | | | | Laplace | 2 | μ | σ | | | | −3207.6 | | 0.0606 | 0.3003 | | | | | Normal | 2 | μ | σ | | | | −3263.2 | | 0.0063 | 0.9985 | | | | | Student’s t | 3 | μ | σ | ν | | | −3203.9 | | 0.0436 | 0.7991 | 5.3023 | | | | Skew normal | 3 | μ | σ | α | | | −3248.5 | | −0.0074 | 0.9955 | 0.8763 | | | | Skew Cauchy | 3 | μ | σ | α | | | −3447.6 | | 0.1819 | 0.5175 | −0.2155 | | | | Skew Laplace | 3 | μ | σ | α | | | −3200.6 | | 0.1332 | 0.3665 | 0.5422 | | | | Skew Student’s t | 4 | μ | σ | α | ν | | −3193.9 | | 0.2421 | 0.9888 | −0.2373 | 5.8101 | | | Hyperbolic | 4 | μ | σ | α | β | | −3186.4 | | 0.2062 | 0.9914 | −0.1999 | 0.8485 | | | NIG | 4 | μ | λ | σ | β | | −3189.1 | | 0.2259 | 0.9869 | −0.2195 | 1.4165 | | | Variance gamma | 4 | μ | σ | α | λ | | −3185.1 | | 0.2043 | 0.9886 | −0.1979 | 1.6782 | | | G. hyperbolic | 5 | μ | σ | α | β | λ | −3185.1 | | 0.2042 | 0.9893 | −0.1982 | 0.0781 | 1.6772 | |
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