| Port1 | Port2 | Port3 | Port4 | Port5 | Port6 | Port7 | Port8 | Port9 | Port10 | High-Low |
excess return | −0.002 | −0.0001 | −0.0002 | 0.0017 | 0.0017 | 0.0019 | 0.0002 | 0.0016 | −0.0021 | −0.0027 | −0.0007 |
t-stats | −1.1589 | −0.0528 | −0.2193 | 2.1108 | 2.194 | 2.3711 | 0.2971 | 1.6896 | −1.6272 | −1.2543 | −0.2182 |
ff3-alpha | −0.0028 | −0.0011 | −0.0008 | 0.0012 | 0.001 | 0.0015 | 0.0002 | 0.0021 | −0.0009 | −0.0003 | 0.0025 |
t-stats | −1.5545 | −0.9501 | −0.9353 | 1.8089 | 1.5524 | 2.0002 | 0.2713 | 2.1592 | −0.7474 | −0.1819 | 0.7977 |