Investing Expertise
Can analysts, experts and gurus really give you an investing/trading edge? Should you track the advice of as many as possible? Are there ways to tell good ones from bad ones? Recent research indicates that the average “expert” has little to offer individual investors/traders. Finding exceptional advisers is no easier than identifying outperforming stocks. Indiscriminately seeking the output of as many experts as possible is a waste of time. Learning what makes a good expert accurate is worthwhile.
Gurus and Incredible Certitude July 28, 2010
…for the sake of realism, investment strategy developers should rigorously examine the defensibility of any assumptions embedded in their inference processes.
Research on the Value of Insider Trading Data July 11, 2010
A reader commented and asked: “I searched your site for ‘insider’ and found very little investigation of a relationship between insider buys and stock price movement. Is this an area you could look at, classify and present to readers?”
Which Analysts Pick Good Stocks? May 10, 2010
…evidence indicates that expert analysts who have relatively high prior earnings forecasting accuracies, forecast frequencies and forecast revision frequencies and who cover relatively few companies and industries make abnormally good stock recommendations.
Working Papers vs. Journal Articles? March 22, 2010
The quality of working papers from academia is as high as, or higher than, that of many analyses available to investors from investment industry sources and from other investors.
Why the Experts Don’t Rule the World? February 25, 2010
…investors may want to consider how their cultural predispositions affect their processing of reported views of experts on financial markets.
How About Barron’s “Daily Stock Alert”? January 28, 2010
…the information Barron’s makes publicly available about this service is inadequate to support any meaningful review (and, arguably, to make any decision about subscribing).
Unadmired Stocks Beat Admired Ones? January 27, 2010
…the stocks of companies unadmired by the ostensibly well-informed may well outperform the stocks of the companies admired.
Guru Age Versus Performance? January 23, 2010
There is some research relevant to your question based on mutual/hedge fund and fund manager data. See…
A Few Notes on Trading from Your Gut December 11, 2009
…active traders may find value in Trading from Your Gut as a means to benchmark their trading thought processes against those of an experienced and introspective peer.
A Few Notes on Fire Your Stock Analyst! November 30, 2009
…relatively inexperienced investors should find Fire Your Stock Analyst! a useful guide for analyzing U.S. stocks. However, the book presents no benchmarks for investing performance and does not support diversification across asset classes.
Timing Ability of Bond Mutual Fund Managers October 14, 2009
…evidence provides weak support for a belief that managers of U.S. bond mutual funds can on average time the bond market, but fund costs/fees offset any associated net outperformance of reasonable benchmarks.
Should the “Anxious Index” Make Investors Anxious? September 14, 2009
…while there is a possibility that high values of the “Anxious Index” from the Survey of Professional Forecasters indicate stock market weakness the next quarter, this indicator does not convincingly relate to future U.S. stock market behavior.
How About Grading Broker Upgrades and Downgrades? August 30, 2009
Independent collection and analysis of this data is not presently practical for CXOadvisory.com.
AAII Stock Screens August 25, 2009
…as illustrated using AAII’s StockScreens performance data, investors should consider especially the impact of portfolio turnover (trading frictions) and performance under different market conditions when evaluating stock screens.
Collective2, a Marketplace of Trading Systems July 31, 2009
…aggregate data on the performance of the stock trading systems currently offered on Collective2 is not encouraging for traders.


