"Low Volatility's Performance Enigma"

Finance Published: June 01, 2013
BACIEFGOOGL

Volatility's Enigma: A Deep Dive into Falkenbloganirban Majumdar

Have you ever wondered why certain stocks seem to defy market norms? They're not the flashiest or most volatile, yet they consistently outperform. This is the intriguing phenomenon that Eric Falkenstein, author of the insightful blog 'Falkenblog', has been exploring. Today, we delve into his analysis of low volatility theories and their implications for investors.

The Low Volatility Enigma

Why do low volatility stocks often outperform? This question has puzzled investors for decades. Falkenstein, along with David Blitz and Pim van Vliet of Robeco, explored various explanations for this effect in their paper "Explanations for the Volatility Effect: An Overview Based on the CAPM Assumptions".

One theory posits that investors are constrained by regulations or leverage limits, forcing them to hold low volatility stocks. Another suggests that agents maximize option value, leading to a preference for low volatility stocks. Alternatively, some argue that investors are simply crash-averse, favoring stable stocks over risky ones.

But why does this matter? Understanding the driving force behind the low volatility effect could help investors optimize their portfolios and make more informed decisions.

The Data Behind the Theory

Falkenstein's analysis is backed by robust data. He references a study by Blitz and Vliet that found, between 1987 and 2012, low volatility stocks in Europe outperformed high volatility ones by an average of 3.2% per year.

Digging deeper into the U.S. market, we find similar trends. According to data from Kenneth French's website, since 1963, the lowest decile of stocks based on past volatility has returned around 14% annually, compared to about 10% for the highest decile.

So, what does this mean for investors? It suggests that a portfolio tilted towards low volatility stocks could potentially outperform in the long run. But remember, past performance is no guarantee of future results.

Portfolio Implications

Consider these specific assets: Coca-Cola (KO) and Bank of America (BAC), both have lower historical volatility compared to the S&P 500 index. According to Falkenstein's analysis, including such stocks in a portfolio could enhance returns over time.

However, iShares 20+ Year Treasury Bond ETF (IEF), with its low yield and high duration risk, might not fit this strategy well. In contrast, Microsoft (MS) and Alphabet Inc. (GOOGL), both known for their stability and consistent growth, could be attractive additions.

Risks and opportunities? While a low volatility portfolio may reduce drawdowns during market crashes, it might also miss out on periods of high growth in more volatile stocks. Balancing this trade-off is key.

Putting Theory into Practice

Implementing a low volatility strategy isn't straightforward. Here are some considerations:

- Timing: Buying when volatility is high and selling when it's low could enhance returns, but timing the market is challenging.

Conclusion: Navigating Volatility's Enigma

Understanding the low volatility effect is like trying to solve a puzzle. Each theory provides a piece, but no single explanation fits perfectly. For investors, this means staying flexible and open-minded while managing portfolios.

Actionable Steps: 1. Review Your Portfolio: Check your holdings' historical volatilities. Are they aligned with your risk tolerance? 2. Consider Low Volatility Stocks: Allocate a portion of your portfolio to stable stocks like KO or MS. 3. Monitor Volatility Levels: Keep an eye on market-wide volatility and adjust your strategy accordingly.