Testing The Beta Premise
One of the most important issues in finance concerns the relationship between risk and expected return. John Lintner, William Sharpe and Jack Treynor are generally given most of the credit for introducing the first formal asset pricing model, the capital...
When Trading Detracts From Alpha
As explained in my latest book, “The Incredible Shrinking Alpha,” which I co-authored with Andrew Berkin, accompanying the rapid growth of the actively managed mutual fund industry, the average performance of mutual funds has been trending downward over the past...
Volatility Threatens Discipline
This is my fourth article in a series devoted to helping investors stay disciplined in the face of market volatility—and even lengthy periods of underperformance by risky assets. The first was a December 2015 post dealing with what I call...
Don’t Buy Winners
For almost five decades, the literature on the investment performance of mutual funds has found that very few managers possess sufficient stock-picking or market-timing talent to allow them to consistently and reliably produce positive risk-adjusted performance after considering their fees....
High Frequency Trading’s Impact
The effect of high-frequency trading (HFT) on market quality is important, and has generated strong interest among academics, investors and regulators alike. Graham Partington, Richard Philip and Amy Kwan—authors of an October 2015 paper, “Is High Frequency Trading Beneficial to...
Reality Check For Investors
Possessing a well-thought-out asset allocation plan that takes into account your unique ability, willingness and need to take market risk is only the necessary condition for success in investing (unless you just happen to get very lucky). The sufficient condition...
Star Manager Loses Luster
Last week, Financial Advisor magazine published a story announcing that one of the mutual fund industry’s oldest funds, run by one of its most enduring fund managers, Kenneth Heebner, went out of business when Natixis Global Asset Management liquidated its...
Small Caps Still Outperforming
As the director of research for The BAM Alliance—a community of about 140 like-minded RIA firms who believe in providing a fiduciary standard of care using an evidence-based investment strategy—I often get requests from other advisors for my help in...
When Risk Doesn’t Lead To Return
Among the more notable anomalies in modern finance is the finding that the lowest-beta stocks have produced higher returns than the highest-beta stocks. Another anomaly is that idiosyncratic (diversifiable) volatility negatively predicts equity returns. In other words, stocks with the...
Arbitrage Limits Cause Mispricing
Recent research on equities has found that, in contrast to classical economic theory, the term-structure of stock returns is downward-sloping. Stocks with low cash-flow duration earn higher returns than longer-duration stocks. The duration of equities is defined as the weighted...
