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A popular Wendy's commercial in the 80s made famous the question: "Where's the beef?" Good one. And here's an even better one: "Where's the alpha?" You might want to whip this one out the next time you meet with your portfolio manager.
Alpha is the over-and-above-the-expected return. It is the "value added." Therefore, it makes sense that a positive alpha means an investment has outperformed its market-predicted return, while a negative alpha would mean just the opposite. The expected return is calculated by a formula that takes into account the investment's level of unavoidable risk (aka beta).
Ever stepped into an elevator and after the doors close you become aware of an almost-suffocating scent coming from the woman next to you who must have bathed in perfume? Well, as you know, once the doors close you can't escape the smell until the ride is over. This is similar to beta, which is risk that can't be reduced or diversified away. A measure of "systematic" or market related risk, beta is used as a measure relative to a certain index -- such as the S&P 500.
So, for example, let¿s say your portfolio is managed to compete against the S&P 500. If you generate a better return than the index while not taking on added risk (standard deviation of returns) then you get alpha. Low beta means the market-related risk is low and vice versa for high beta.
Another example, let's say a mutual fund or stock has a beta of 1.5 relative to the S&
P500 ¿ that means it is 1.5 times as risky. So, over time, if the S&P 500 goes up 1%, your portfolio should be up 1.5%
plus (one can hope) some percentage of alpha. If the S&P 500 is down 1%, your portfolio should be down 1.5%.
Alpha
and beta are based off of linear regression of a set of data. Warning: this may cause a high school fifth-period flashback,
but it will be over before you know it:
The equation for a line is Y = a + bX.
a = alpha (the Y intercept - the added
value)
b = Beta (the coefficient you multiply X by)
X = S&P 500 (in this case)
Y = your portfolio
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Friday, May 02, 2008
eResearchTechnology to Present at the Deutsche Bank 33rd Annual Healthcare Conference on May 7th 2008
Comtex
PHILADELPHIA, May 2, 2008 /PRNewswire-FirstCall via COMTEX News Network/ ----eResearchTechnology, Inc. (eRT), (Nasdaq: ERES), a leading provider of centralized electrocardiographic (ECG) collection and interpretation services, announced today that Dr. Michael J. McKelvey, the Company's President and Chief Executive Officer, and Richard Baron, the Company's Chief Financial Officer, are scheduled to present at the Deutsche Bank 33rd Annual Healthcare Conference at 10:10 a.m. Eastern on May 7, 2008 at the InterContinental Hotel in Boston, Massachusetts.
Interested parties may access the presentation by visiting the Company's corporate website at http://www.ert.com. The webcast will be available via replay for 30 days.
About eResearchTechnology:
Based in Philadelphia, PA, eResearchTechnology, Inc. (http://www.eRT.com) is a provider of technology and services to the pharmaceutical, biotechnology and medical device industries on a global basis. The company is a market leader in providing centralized core-diagnostic electrocardiographic (ECG) technology and services to evaluate cardiac safety in clinical development. The company is also a leader in providing technology and services to streamline the clinical trials process by enabling its customers to automate the collection, analysis, and distribution of clinical data in all phases of clinical development.
Forward-looking Statements:
Statements included in this release may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements, including, but not limited to, 2008 financial guidance, involve a number of risks and uncertainties such as the company's ability to obtain new contracts and accurately estimate net revenues due to uncertain regulatory guidance, variability in size, scope and duration of projects, and internal issues at the sponsoring client, competitive factors, technological development, and market demand. As a result, actual results may differ materially from any financial outlooks stated herein. Further information on potential factors that could affect the company's financial results can be found in the company's Report on Form 10-K and 10Q filed with the Securities and Exchange Commission. The company undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise.
SOURCE eResearchTechnology, Inc.
http://www.ert.com
Copyright (C) 2008 PR Newswire. All rights reserved
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