General information
Holding period return BHP = 29.57%
Holding period return CBA = 19.52%
Holding period return TLS = 23.99%
Portfolio 1 Make-up
BHP - 60%
CBA - 20%
TLS - 20%
Portfolio Two Makeup
BHP - 40%
CBA - 40%
TLS - 20%
Expected return portfolio one = 26.44%
Expected return portfolio two = 24.43%
Beta of BHP - 1.39
Beta of CBA - 1.33
Beta of TLS - 0.79
Question - using the data provided above what are the beta of portfolio one and portfolio two? which of the portfolios have higher risk and why?