Calculation of variance for Delta, Caps and BAT and calculation of variance of portfolio and standard deviation of portfolio
You are given the following variance-covariance matrix of counters Delta, Caps and BAT. Weight of Delta = 0.40, weight of Caps = 0.25 and weight of BAT = 0.35.
|
Delta
|
Caps
|
BAT
|
Delta
|
148
|
180
|
140
|
Caps
|
154
|
120
|
160
|
BAT
|
170
|
130
|
125
|
(a) Calculate be variance of Delta, Caps and BAT.
(b) Calculate the variance of portfolio using the following formulae:
σ2Ρ = ΣΣXi, Xj, σi,j
(X stands for weight)
(c) Calculate the standard deviation of the portfolio.