Question

To calculate the variance of a three-stock portfolio, you need to add nine boxes: Variance of a three-stock portfolio $x_1^2 \sigma_1^2$ $x_1 x_2 \sigma_{12}$ $x_1 x_3 \sigma_{13}$ [Select] [Select] [Select] $x_1 x_2 \sigma_{12}$ $x_2^2 \sigma_2^2$ $x_2 x_3 \sigma_{23}$ [Select] [Select] [Select] $x_1 x_3 \sigma_{13}$ $x_2 x_3 \sigma_{23}$ $x_3^2 \sigma_3^2$ [Select] [Select] [Select] Use the same symbols that we used; for example: x1 = proportion invested in stock 1 $\sigma_{12}$ = covariance between stocks 1 and 2 For each box, indicate whether the value is correct or incorrect

          To calculate the variance of a three-stock portfolio, you need to add nine boxes:
Variance of a three-stock portfolio
$x_1^2 \sigma_1^2$
$x_1 x_2 \sigma_{12}$
$x_1 x_3 \sigma_{13}$
[Select]
[Select]
[Select]
$x_1 x_2 \sigma_{12}$
$x_2^2 \sigma_2^2$
$x_2 x_3 \sigma_{23}$
[Select]
[Select]
[Select]
$x_1 x_3 \sigma_{13}$
$x_2 x_3 \sigma_{23}$
$x_3^2 \sigma_3^2$
[Select]
[Select]
[Select]
Use the same symbols that we used; for example:
x1 = proportion invested in stock 1
$\sigma_{12}$ = covariance between stocks 1 and 2
For each box, indicate whether the value is correct or incorrect

To calculate the variance of a three-stock portfolio, you need to add nine boxes:
Variance of a three-stock portfolio
x1^2 σ1^2
x1 x2 σ12
x1 x3 σ13
[Select]
[Select]
[Select]
x1 x2 σ12
x2^2 σ2^2
x2 x3 σ23
[Select]
[Select]
[Select]
x1 x3 σ13
x2 x3 σ23
x3^2 σ3^2
[Select]
[Select]
[Select]
Use the same symbols that we used; for example:
x1 = proportion invested in stock 1
σ12 = covariance between stocks 1 and 2
For each box, indicate whether the value is correct or incorrect

Added by Nicholas M.

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