| Orders | Ljung-Box Q-statistics Q(m) | Ljung-Box Q-statistics Q2(m) | ARCH LM |
| 5 | 7.028 (0.218) | 57.138 (0.000) | 26.945 (0.000) |
| 10 | 14.53 (0.150) | 99.719 (0.000) | 69.027 (0.000) |
| 20 | 29.15 (0.084) | 166.84 (0.000) | 82.28 (0.000) |