Portfolio Management. 12. CAL Capital Allocation Line (when one asset is rf) rA = Optimal Risky...
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Transcript of Portfolio Management. 12. CAL Capital Allocation Line (when one asset is rf) rA = Optimal Risky...
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Portfolio Management
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12. CAL Capital Allocation Line (when one asset is rf)
rA = Optimal Risky Asset
rf = Risk Free Asset
Concept Point for line:
• For defining a straight line we require two points.
• A straight line will have only one slope [which is nothing but its angle with x-axis]
= y2 – y1
x2 – x1
• A general Equation of a straight line
Y = a + bx
rp
Return Y
Risk X
Y2= rA
Y1= rf
x1= 0 x1= σA
A
CAL
rA - rf
slope
Dependent Variable
Independent VariableConstant
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i. Slope of CAL :
= Excess return over risk free return rA - rf
Total risk of A σA
ii. Equation of CAL:
rp = rf + rA - rf σp
σA
Risky return for portfolio p
Risky free return for portfolio p
Price of risk
Risk of Portfolio p
Risk premium for portfolio p