Investing Research Articles

Below is a weekly summary of our research findings for 6/7/21 through 6/11/21. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to your investing needs. Subscribers: To receive these weekly digests via email, click here to sign up for our mailing list.

Below is a weekly summary of our research findings for 3/15/21 through 3/19/21. These summaries give you a quick snapshot of our content the past week so that you can quickly decide what’s relevant to your investing needs. Subscribers: To receive these weekly digests via email, click here to sign up for our mailing list.

What is the best way to suppress trading frictions for active, long-term stock portfolios? In their September 2018 paper entitled “Comparing Cost-Mitigation Techniques”, Robert Novy-Marx and Mihail Velikov compare three approaches to suppression of trading frictions for long-term stock factor premium capture strategies: Limiting selection to stocks that are cheap to trade. Rebalancing infrequently. Imposing a penalty for… Keep Reading

Do anomaly portfolios that are long (short) the tenth, or decile, of stocks with the highest (lowest) expected value-weighted returns based on some firm accounting variable or stock behavior really work on a net basis? In the May 2019 version of their paper entitled “Shorting Costs and Profitability of Long-Short Strategies”, Dongcheol Kim and Byeung… Keep Reading

In what areas does machine learning have advantages over conventional financial/investment analysis? In his June 2018 presentation entitled “Nine Financial Applications of Machine Learning”, Marcos Lopez de Prado summarizes investing-related areas in which well-supervised machine learning outperforms conventional methods. Based on relevant research and his experience, he asserts that:

As described in “Monthly Stock Return Reversal Update”, evidence for a conventional monthly stock return reversal effect since 1990 is weak. Is there a way to enhance the effect? In their August 2011 paper entitled “Short-Term Residual Reversal”, David Blitz, Joop Huij, Simon Lansdorp and Marno Verbeek present a short-term reversal strategy based on deviations of individual… Keep Reading

Does exceptional (idiosyncratic) stock volatility exploitably predict future returns? In her April 2013 paper entitled “Revisiting Idiosyncratic Volatility and Stock Returns”, Fatma Sonmez re-examines the relationship between idiosyncratic volatility and future stock returns. She defines idiosyncratic volatility as the standard deviation of daily residuals from monthly regressions of returns (in excess of the risk-free rate) for… Keep Reading

Is downside risk the critical driver of investor asset valuation? In the January 2013 version of their paper entitled “Conditional Risk Premia in Currency Markets and Other Asset Classes”, Martin Lettau, Matteo Maggiori and Michael Weber explore the ability of a simple downside risk capital asset pricing model (DR-CAPM) to explain and predict asset returns…. Keep Reading

Should investors focus on relatively wild (high-volatility) or tame (low-volatility) stocks in emerging stock markets? In their April 2012 paper entitled “The Volatility Effect in Emerging Markets”, David Blitz, Juan Pang and Pim van Vliet examine the empirical relationship between risk and return in emerging equity markets. At the end of each month, they form equally-weighted quintile… Keep Reading

Stock price momentum strategies sometime crash, greatly detracting from long-term performance. Is there a reliable way to avoid the crashes? In the April 2012 version of their paper entitled “Managing the Risk of Momentum”, Pedro Barroso and Pedro Santa-Clara investigate usefulness of momentum portfolio volatility as a crash protection signal. They construct a momentum portfolio… Keep Reading