Period | Mean GBM | Mean VG | t-value | p-value |
In-Sample | 16.16% | 22.75% | −4.12 | 5.90E−04 |
Out-Sample | 14.99% | 21.82% | −4.16 | 3.30E−04 |
All Periods | 15.78% | 22.45% | −4.25 | 4.30E−04 |