0.75
0.7
0.65
0.6
0.55
0.5
0.45
456
Portfolio systematic volatility
789
0.95
0.9
0.85
0.8
Mean portfolio alpha
Alpha uncertainty frontier
MV frontier Sys 5% and alpha uncertainty
Spe 2% and alpha uncertainty
Figure 1.6 Portfolio systematic volatility with alpha uncertainty and constraints on
systematic and specific risk.
0.75
0.7
0.65
0.6
0.55
0.5
0.45
123
Portfolio specific volatility
456
0.95
0.9
0.85
0.8
Mean portfolio alpha
Alpha uncertainty frontier
MV frontier Sys 5% and alpha uncertainty
Spe 2% and alpha uncertainty
Figure 1.7 Portfolio specific volatility with alpha uncertainty and constraints on
systematic and specific risk.