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Building a Simple Sector Rotation on Momentum and Trend

Reported by Mebfaber
Dec 4, 2013· 2 min read
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Key Takeaways
  • • Meb Faber demonstrates a simple rules-based sector rotation strategy using momentum and trend analysis across nine U.S. equity sectors, designed to replicate institutional-grade tactical asset allocation without high management fees.
  • • F-Squared, a $15 billion tactical allocation firm widely used by RIAs, executes weekly rebalancing cycles that equally weight sectors at 11.1% when fully invested, with inclusion or exclusion determined by forward-looking return probability assessments.
  • • The methodology builds on Faber's published research from 2007 ("Quant Approach to TAA") and 2010 ("Relative Strength Strategies for Investing"), demonstrating that complex hedge fund and managed futures strategies can be deconstructed into transparent, systematic frameworks.
  • • Sector momentum rotation strategies have historically delivered approximately 16.7% annualized returns over 10-year periods—roughly double S&P 500 returns with comparable risk profiles—using momentum-based ETF rotations and dynamic rebalancing.
  • • The approach contrasts with traditional 2&20 fee structures by proving that the majority of managed futures and hedge fund alpha can be captured through basic rules-based systems, reducing reliance on active management fees for retail and institutional investors.
Summary
Meb Faber presents a quantitatively rigorous sector rotation framework grounded in momentum and trend-following principles that challenges the necessity of high-fee active management. The strategy centers on selecting among nine U.S. equity sectors based on relative strength metrics, rebalancing on a systematic schedule to capture sectors demonstrating positive forward momentum while excluding underperforming segments.

The construction methodology leverages F-Squared's AlphaSector Premium Index approach, which executes weekly rebalancing cycles using an equally weighted 11.1% allocation per sector when the model is fully invested. The critical operational mechanism involves evaluating each sector's likelihood of generating positive forward returns, then dynamically adjusting portfolio composition accordingly. This approach allows investors to move selectively between sectors or into cash positioning based on systematic momentum evaluation rather than discretionary judgment.

Faber's research emphasizes that this construction parallels broader findings in his earlier published works, particularly his 2007 "Quant Approach to Tactical Asset Allocation" and 2010 "Relative Strength Strategies for Investing" papers. He positions sector rotation as part of a broader deconstruction thesis: that the majority of hedge fund and managed futures industry returns—traditionally justified by 2&20 fee structures—can be replicated through transparent, rule-based systems. This perspective is supported by empirical evidence from sector momentum strategies, which have demonstrated approximately 16.7% annualized returns over 10-year backtested periods, roughly doubling S&P 500 performance while maintaining comparable volatility profiles.

The strategy's practical appeal lies in its simplicity and cost efficiency. By using ETFs to represent sector positions and employing systematic inclusion-exclusion rules rather than discretionary security selection, investors can achieve institutional-quality tactical allocation without outsourcing to expensive alternative managers. The weekly rebalancing cycle ensures timely response to momentum shifts while the rules-based framework eliminates behavioral bias from portfolio construction decisions.

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Mebfaber Building a Simple Sector Rotation on Momentum and Trend