0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0 0.5 1
Tracking error
1.5 2 2.5
0.08
Portfolio alpha
Medium-term model optimization Short-term model optimization
Two model optimization
Figure 1.8 Tracking error measured using the SunGard APT medium-term model.
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0 0.5 1
Tracking error
1.5 2 2.5
0.08
Portfolio alpha
Medium-term model optimization Short-term model optimization
Two model optimization
Figure 1.9 Tracking error measured using the SunGard APT short-term model.