FIN222 Lecture Notes - Lecture 5: Covariance, Capital Asset Pricing Model, Investment

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1 Aug 2018
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Fin222 - review lecture 05: 4 asset classes: shares, bonds, property, cash, historical risk and return of shares: a. Realized return = total return occurs over a particular time period. Annual realized return = hold the share beyond the first dividend. We assume all dividends are immediately reinvested and used to purchase additional shares of the same shares/securities. 1 + rannual = (1 + r1) (1 + r2) (1 + r3) (1 + r4) Used as a measure of expected return (the best proxy for the future is the past) c. variance and volatility of returns. Variance = method measure variability of returns. = the expected squared deviation of returns from the mean. To determine variability of returns (volatility = total risk), we calculate standard deviation b. => standard deviation indicates the tendency of the historical returns to be different from their average and how far from average they tend to be.

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