Investing Research Articles

…evidence indicates that equity mutual fund managers can select stocks that deliver economically large risk-adjusted returns, but little of this alpha gets through to fund investors because of alpha-free incentives for fund managers to diversify. Individual investors may want to focus, independently, on stocks that fund managers have newly overweighted.

…limited evidence suggests that investors who rely on fundamental valuation should consider using comparables (valuation multiples) based on harmonic means of several years of historical data as forecast drivers.

The intended characteristics of leveraged and inverse exchange-traded funds (ETF) are obvious. Do they have unintended characteristics that may make them unsuitable for some investors? In their April 2009 paper entitled “The Dynamics of Leveraged and Inverse-Exchange Traded Funds”, Minder Cheng and Ananth Madhavan investigate the dynamics, market impacts, unusual features and investor suitability of… Keep Reading

Do individual investors who trade equity options do better or worse than those who do not? In their October 2008 paper entitled “Option Trading and Individual Investor Performance”, Rob Bauer, Mathijs Cosemans and Piet Eichholtz examine the impact of option trading on individual investor performance. Using all daily trades and end-of-month portfolio positions for 68,146… Keep Reading

What kinds of returns do options traders actually achieve? In their January 2009 paper entitled “Investor Trading Behavior and Performances: Evidence from Taiwan Stock Index Options”, Bing Han, Yi-Tsung Lee and Yu-Jane Liu examine trading behavior and net returns for all traders of Taiwan stock index options. Using the complete record of transactions, orders and… Keep Reading

…a long options collar on a broad ETF generally outperforms the ETF over the past decade, and a return decomposition indicates that it also outperforms the ETF with protective puts.

…very limited evidence shows that the actual leverages of leveraged ETFs vary considerably from their short-term design values over extended holding periods.

…Outliers presents transformations of context to explain, retrospectively, why (positive) outliers in human performance are not really outliers but rather logical results of a “patchwork of lucky breaks and arbitrary advantages.” The book offers no proofs (or even examples) of the predictive power of the beliefs it advocates.

…evidence suggests that equity index options carry a price premium because of their value in hedging against shocks to return correlations among individual stocks. Options for individual stocks do not carry this premium.

…modeling suggests that sharp jumps in stock market volatility drive investors to overprice some equity index options, most consistently out-of-the-money put options.