Return on Portfolio of 2 Assets
2. Investor to Invest Fully
Standard Deviation of Portfolio of 2 Assets
Standard Deviation
Volatility of Returns
Delineating
Representing Pictorally
Correlation
+1 To -1
Correlation= +1
2. Straight Line in Return- Risk Space
Correlation= -1
Power of Diversification of Investments
Reduce Risk
For Correlation Between -1 & +1
Value of Correlation Can Be Such That
Minimum Risk of Portfolio Cannot Be Less Than the Risk of Least- Risky Asset in the Portfolio
Portfolio Possibility Curve
Curve Along Which All Possible Combinations of Assets Must Lie in Return- Risk Space
Concave Curve
2. Return of the Portfolio Will Be Greater Than for Same Portfolio With Correlation =+1
Convex Curve
2. Risk of a Portfolio Will Be Less Than for Same Portfolio With Correlation =+1
Minimum Variance Portfolio
Value of Investment
Combination of Two Portfolios of Same Assets
Is a Portfolio of That Same Assets
In All Possible Combination of All Risk Assets, Investors Look For
2. Lower- Risk With Same Return
Efficient Frontier
Short Sale
Effect of Short Sale on Efficient Frontier
2. Lower Bound Remains Global Minimum Variance
If Short Sale is Done Using Selling of Security With Higher Return
2. Leads to Lower- Return Due to a Negative Term in the Equation For Expected Return of Portfolio
Separation Theorem
Ability To Determine the Optimum Portfolio Without Having to Know Anything About The Investor
Rotating the Ray of Efficient Frontier With Risk-less Lending and Borrowing Counter- Clockwise
We Can Get The Tangent to the Efficient Frontier of Portfolio
Beyond Tangent We Cannot Go
2. No Line Lies Above the Tangent Line
Considerations In Determining Inputs