| SPXR | USGR |
Mean | 0.821 | 0.490 |
SD | 5.295 | 3.600 |
Min. | −12.512 | −6.922 |
Max. | 12.684 | 9.470 |
Skewness | −0.395 | 0.377 |
Kurtosis | 2.904 | 2.752 |