FIN20150 Lecture Notes - Lecture 11: Gilead Sciences, Systematic Risk, Weighted Arithmetic Mean

21 views4 pages
22 Jan 2016
School
Department
Course

Document Summary

Risk of an additional asset in a well diversified portfolio ex) point m on graph^ Ex) suppose we have in each of 99 stocks. We are contemplating the purchase of one more stock (x), with a total cost of . Recall that a portfolio can be thought of as a risky asset just like an individual stock. We therefore can think of this as a two-asset case, with the first asset (x) being the stock we want to buy (worth ), and the second (m) being our existing portfolio of 99 stocks (worth ). We use m since our 99 stocks approximate the market portfolio. The asset x can only influence the standard deviation of the portfolio through the first term or the third term. However, since the portfolio is well diversified, the weight on x is small, and the first term which. 2 is very small (0. 00000025 to be exact).

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions