Investing Research Articles

Is there a window of exploitation before prices of individual stocks incorporate relevant information shocks? If so, what is its duration? In their January 2011 paper entitled “Speed of Convergence to Market Efficiency: The Role of ECNs”, Dennis Chung and Karel Hrazdil investigate the duration of stock price inefficiency based on the time interval over… Keep Reading

A reader asked: “Do you have any research on the phenomenon of ‘pinning’ during options expiration? The theory is that there is a Max Pain price where options sellers stand to lose the least, and that they manipulate prices towards these levels.” A search of the Social Science Research Network (SSRN) separately for “pinning” and… Keep Reading

Do emerging markets exchange-traded funds (ETF) reliably track and on average achieve the returns of benchmark indexes? In their February 2011 paper entitled “Evaluating the Performance of Global Emerging Markets Equity Exchange-Traded Funds”, David Blitz and Joop Huij examine the performances of emerging markets ETFs comprised of country markets such as South Korea, China, India,… Keep Reading

Can financial statement analysis expose stocks that investors incorrectly view as value or growth (glamor)? In their February 2011 paper entitled “Identifying Expectation Errors in Value/Glamour Strategies: A Fundamental Analysis Approach”, Joseph Piotroski and Eric So investigate stock misvaluation by contrasting firm performance expectations implied by value/growth classification with a simple financial statement metric that… Keep Reading

…evidence from simple tests on recent data offers little support for belief in day-of-the-week anomalies in broad stock market returns.

Does combining avoidance of fat tail losses with a traditional portfolio optimization strategy enhance performance? In her January 2011 paper entitled “The Economic Value of Controlling for Large Losses in Portfolio Selection”, Alexandra Dias investigates the effectiveness of combining tail loss risk management with minimum variance efficiency. This approach essentially seeks to add avoidance of… Keep Reading

Are January returns important to the profitability of short-term reversal, intermediate-term momentum, long-term reversion and 12-month echo trading strategies? In her December 2010 paper entitled “Momentum, Seasonality and January”, Yaqiong Yao investigates the role of  January returns within these previously discovered anomalies. The study’s core methodology is to reform equally weighted hedge portfolios each month… Keep Reading

Can investors straightforwardly diversify equity portfolios with volatility futures? In the January 2011 draft of their paper entitled “The Hazards of Volatility Diversification”, Carol Alexander and Dimitris Korovilas explore the potential benefits and costs of combining ‘buy-and-hold’ positions in volatility futures with a long-term equity portfolio. Specifically, they examine diversification of long exposure to the… Keep Reading

Does the concept of an idealized fixed business cycle help predict stock market returns? In his recent paper entitled “Forecasting 2011 Using U.S. Precedents: A Simple Analysis of Equity Market Performance”, Thomas Hall examines the performance of major U.S. stock market indexes at fixed intervals after business cycle troughs and extrapolates results to predict U.S…. Keep Reading

Do mutual fund investors in aggregate exhibit good, bad or indifferent market timing? In their January 2011 article entitled “Past Performance is Indicative of Future Beliefs”, Philip Maymin and Gregg Fisher investigate how the aggregated timing of buying and selling by mutual fund investors affects their average returns. Using monthly returns and assets for approximately… Keep Reading