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- From: acheng@ncsa.uiuc.edu (Albert Cheng)
- Subject: Re: Yields and Betas...huh?
- References: <BxttAo.A8E@usenet.ucs.indiana.edu> <1992Nov16.220722.7561@tandem.com> <168A29E34.RKSHUKLA@SUVM.SYR.EDU>
- Message-ID: <1992Nov18.204652.11692@ncsa.uiuc.edu>
- Originator: acheng@shalom.ncsa.uiuc.edu
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: Nat'l Ctr for Supercomp App (NCSA) @ University of Illinois
- Date: Wed, 18 Nov 1992 20:46:52 GMT
- Lines: 26
-
- In article <168A29E34.RKSHUKLA@SUVM.SYR.EDU> RKSHUKLA@SUVM.SYR.EDU (Ravi Shukla) writes:
- > [A detail explanation skipped, but THANKS.]
- >
- > stock retrun = alpha + beta * index return
- >
- >Therefore, we can write:
- >
- > Change in stock return = beta * change in index return
- >
- >So, truely and technically speaking, if the market return is 2% above its
- >mean, the stock return would be 3% above its mean, if the stock beta is 1.5.
- >How useful is it to know that? I don't know.
-
- Does it mean beta can vary from 0 to infinite? Can I interpret beta
- this way:
-
- Beta Characteristics
- Close to 0 Dull investment like Utilities stocks
- 1 Matching S&P 500. E.g. index funds
- >>1 Wide swings like small cap. funds
-
- Can beta be negative? If so, I would imagine precious metals would have
- -1 beta value.
-
- You are welcome to correct my comments.
-
-