Descriptive statistics of return and return indices
| Obs | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 |
| Mean | 0.02 | 0.03 | 0.01 | 0.13 | 0.01 | 0.00 | 0.05 | 0.00 | 0.05 |
| Maximum | 2.94 | 7.01 | 4.58 | 20.54 | 1.95 | 2.96 | 14.54 | 22.68 | 20.08 |
| Minimum | −1.87 | −6.22 | −3.86 | −20.90 | −1.92 | −3.13 | −14.87 | −21.83 | −18.31 |
| Std. deviation | 0.41 | 1.05 | 0.67 | 1.35 | 0.42 | 0.44 | 1.06 | 2.24 | 4.87 |
| Skewness | 0.53 | 0.08 | 0.20 | 0.20 | 0.02 | −0.03 | 0.73 | 0.01 | 0.02 |
| Kurtosis | 4.94 | 3.50 | 6.42 | 78.91 | 2.08 | 5.84 | 57.50 | 22.77 | 2.74 |
| JB | 1,684*** | 812*** | 2,732*** | 411,994*** | 285*** | 2,255*** | 218,903*** | 34,286*** | 494*** |
| BDS | 12.94*** | 3.71*** | 10.50*** | 19.31*** | 7.18*** | 5.98*** | 12.04*** | 9.75*** | 24.77*** |
| ADF | −11.6*** | −11.3*** | −10.0*** | −11.9*** | −10.8*** | −11.3*** | −12.2*** | −11.3*** | −11.5*** |
| PP | −1,841*** | −1,768*** | −2,074*** | −1,253*** | −1,733*** | −1,869*** | −2,158*** | −1,893*** | −1,682*** |
| Obs | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 | 1,598 |
| Mean | 0.02 | 0.03 | 0.01 | 0.13 | 0.01 | 0.00 | 0.05 | 0.00 | 0.05 |
| Maximum | 2.94 | 7.01 | 4.58 | 20.54 | 1.95 | 2.96 | 14.54 | 22.68 | 20.08 |
| Minimum | −1.87 | −6.22 | −3.86 | −20.90 | −1.92 | −3.13 | −14.87 | −21.83 | −18.31 |
| Std. deviation | 0.41 | 1.05 | 0.67 | 1.35 | 0.42 | 0.44 | 1.06 | 2.24 | 4.87 |
| Skewness | 0.53 | 0.08 | 0.20 | 0.20 | 0.02 | −0.03 | 0.73 | 0.01 | 0.02 |
| Kurtosis | 4.94 | 3.50 | 6.42 | 78.91 | 2.08 | 5.84 | 57.50 | 22.77 | 2.74 |
| JB | 1,684*** | 812*** | 2,732*** | 411,994*** | 285*** | 2,255*** | 218,903*** | 34,286*** | 494*** |
| BDS | 12.94*** | 3.71*** | 10.50*** | 19.31*** | 7.18*** | 5.98*** | 12.04*** | 9.75*** | 24.77*** |
| ADF | −11.6*** | −11.3*** | −10.0*** | −11.9*** | −10.8*** | −11.3*** | −12.2*** | −11.3*** | −11.5*** |
| PP | −1,841*** | −1,768*** | −2,074*** | −1,253*** | −1,733*** | −1,869*** | −2,158*** | −1,893*** | −1,682*** |
Note(s): ***, ** and * implies null is rejected at 1%, 5% and 10% level of significance
Source(s): Authors’ estimations
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