AFM273 Chapter Notes - Chapter 10: Weighted Arithmetic Mean, Standard Deviation, Investment

76 views4 pages

Document Summary

(cid:883)=(cid:3049)+1(cid:3017) +(cid:3017)+1 (cid:3017: also known as the volatility, same units as the returns themselves. If a stock pays dividends at the end of each quarter, its one-year holding period return is (cid:3017) =(cid:1830)(cid:1874)(cid:1856)(cid:1857)(cid:1866)(cid:1856) (cid:1857)(cid:1864)(cid:1856)+(cid:1829)(cid:1868)(cid:1872)(cid:1864) (cid:1833)(cid:1866) (cid:1844)(cid:1872)(cid:1857: over any period, we observe one draw from the probability distribution of returns. Average annual returns: (cid:1844) =(cid:2869)(cid:3021) (cid:3021)(cid:3047)=(cid:2869) (cid:1844)(cid:3047, probability of a return occurring in a particular range is measured by the number of times the realized return falls in that range. If the probability distribution of the returns is the same over time, the average return provides an estimate of the expected return. 95% of the time: (cid:1845)(cid:1830)(cid:4666)(cid:1874)(cid:1857)(cid:1870)(cid:1859)(cid:1857) (cid:1867)(cid:1858) (cid:1835)(cid:1866)(cid:1856)(cid:1857)(cid:1868)(cid:1857)(cid:1866)(cid:1856)(cid:1857)(cid:1866)(cid:1872), (cid:1835)(cid:1856)(cid:1857)(cid:1866)(cid:1872)(cid:1855)(cid:1864) (cid:1844)(cid:1871)(cid:1863)(cid:1871)(cid:4667)= (cid:3020)(cid:4666)(cid:3041)(cid:3031)(cid:3049)(cid:3031)(cid:3048)(cid:3028)(cid:3039) (cid:3019)(cid:3046)(cid:3038)(cid:4667) (cid:3015)(cid:3048)(cid:3040)(cid:3029)(cid:3032)(cid:3045) (cid:3042)(cid:3033) (cid:3016)(cid:3029)(cid:3046)(cid:3032)(cid:3045)(cid:3049)(cid:3028)(cid:3047)(cid:3042)(cid:3041)(cid:3046: (cid:1834)(cid:1871)(cid:1872)(cid:1867)(cid:1870)(cid:1855)(cid:1864) (cid:1874)(cid:1857)(cid:1870)(cid:1859)(cid:1857) (cid:1844)(cid:1857)(cid:1872)(cid:1873)(cid:1870)(cid:1866) (cid:4666)(cid:884) (cid:1845)(cid:1872)(cid:1866)(cid:1856)(cid:1870)(cid:1856) (cid:1831)(cid:1870)(cid:1870)(cid:1867)(cid:1870)(cid:4667, relatively large estimation error, average return in the past is not a reliable estimate of the expected return. Individual stocks tend to be more volatile than large portfolios.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents

Related Questions