Period | Mean GBM | Mean VG | t-Value | p-Value |
In-Sample | 13.70% | 20.59% | −16.59 | 7.23E−18 |
Out-Sample | 14.61% | 21.15% | −8.89 | 8.79E−10 |
All Periods | 13.98% | 20.75% | −18.64 | 6.05E−17 |