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II. The Two Security Case and The Case of Multiple Assets. Return. Can calculate from past data For future can only estimate with uncertainty How Proceed Simple Example Develop Equations of Portfolio Analysis. Return R 1 Probability 0.00 .10
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II. The Two Security Case and The Case of Multiple Assets
Return Can calculate from past data For future can only estimate with uncertainty How Proceed Simple Example Develop Equations of Portfolio Analysis
Return R1 Probability 0.00 .10 0.12 .80 0.24 .10 How Summarize
0.00 .10 .12 .80 .24 .10
R P .0 .01 E(R) = .12 .06 .16 = .00144 .12 .66 .18 .16 .24 .01
DERIVATION OF PORTFOLIO CHARACTERIESTICS 2 SECURTITIES Rp = XARA + XBRB • E(Rp) = XA E (RA) + XB E (RB) 2. 3.
THREE QUALITIES THAT ARE IMPORTANT • EXPECTED RETURN • STANDARD DEVIATION • CORRELATION
More than two securities 1. 2.
1. OR 3. Basis of every product and insight in portfolio management since Markowitz.