Recently, the widely followed market capitalization weighted S&P 500 Index has been the dominant investment style and even more specifically the largest ten underlying growth stocks within the S&P 500 have been the contributing leaders. However over long periods of history a perpetual market capitalization weighted S&P 500 allocation has demonstrated extended periods of risk and underperformance. The strategies that triumph in one economic regime often struggle in the next, leaving static portfolios vulnerable to prolonged periods of underperformance.
This paper offers a comprehensive look at how different S&P 500 weighting styles - Cap Weighted (S&P 500), Equal Weighted (EW), and Low Volatility (LV) - have cyclically taken turns leading the market. More importantly, it introduces the S&P 500 Market Rotator Index, a forward-thinking solution designed to systematically adapt to these shifts, offering a more resilient and potentially superior U.S. large cap allocation framework.
In this white paper, we will explore:
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Why a U.S. large cap core allocation should always be invested in stocks.
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A review of Cap Weighted, Equal Weighted, and Low Volatility S&P 500 styles.
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A historical journey through decades of market performance, revealing why different styles excelled in different eras.
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The powerful role of narrative and simplicity in driving investment decisions, often overshadowing complex factor models.
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The design and conceptual performance of the S&P 500 Market Rotator Index, created to capture leadership shifts and enhance long-term outcomes.
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