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Anu Ganti

Senior Director, Index Investment Strategy, S&P Dow Jones Indices

Anu R. Ganti is Senior Director, Index Investment Strategy at S&P Dow Jones Indices (S&P DJI). The index investment strategy team provides research and commentary on the entire S&P DJI product set, including U.S. and global equities, commodities, fixed income, and economic indices.
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Jul 27, 2021

Strength of Savings

In the 20 years ending in 2020, 94% of all large-cap U.S. managers lagged the S&P 500®. Mid- and small-cap results were almost equally disappointing. A notable consequence of these shortfalls in active performance has been the rise in passive investing, one of the most significant trends in modern financial history. Our recent Annual Survey…

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Jun 15, 2021

Valuing Equal Weight

We have previously discussed the impact of Equal Weight’s rebound on its exposure to the momentum factor. We now turn our attention to its exposure to the value factor, as the recovery in smaller caps and value stocks has been an important tailwind for the strategy. The S&P 500® Equal Weight is typically biased toward…

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May 20, 2021

Concentrating on Technology

After the dominant performance of large-cap technology stocks in 2020, concentration concerns naturally come to mind. The HHI, or Herfindahl-Hirschman Index, is a widely-used concentration measure; it’s defined as the sum of the squared index constituents’ percentage weights (usually taken as whole numbers). For example, the HHI for an equally-weighted 50 stock portfolio is 200…

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May 11, 2021

Mean Reversion and Momentum

After almost four years of underperformance, we witnessed a change in fortune in February 2021, as the relative performance of the S&P 500® Equal Weight Index turned positive. By the end of April, Equal Weight had outperformed the S&P 500 by 11% over the prior 12 months, as we see in Exhibit 1. Equal Weight’s…

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Mar 30, 2021

Opportunity Does Not Equal Attainment

We’ve previously argued that most managers should prefer above-average correlation, because the incremental volatility a manager accepts to pursue an active strategy will be lower when correlations are high. In addition, active managers should prefer above-average dispersion, because stock selection skill is worth more when dispersion is high. Both correlation and dispersion rose in 2020….

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Mar 8, 2021

A Change in Fortune

Three months ago, we observed that times of severe underperformance for Equal Weight can bode well for future performance. This reflection had become reality by the end of February. After almost four years of underperformance, the S&P 500® Equal Weight Index outperformed the S&P 500 by 1.6% over the past 12 months, as we see…

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Jan 26, 2021

A Different Kind of Bubble

Information Technology was the top-performing sector in 2020, up 44%, while Momentum (up 28%) was the second best-performing factor. These two results are reminiscent of the bubble we experienced two decades ago. But the Tech sector of today is not your father’s Tech sector. Similarly, we can analyze the market from a factor perspective and…

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Jan 13, 2021

Oscillations in Opportunity

2020 was a year of two reversals for the market. First, equities recovered from the depths of March to finish the year strongly, and second, smaller-cap and value stocks staged a roaring comeback in the final quarter. We can better understand the second reversal by analyzing the market’s distribution of returns and the performance of…

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Dec 8, 2020

Reversal or Recovery?

When we think about reversals in the market, we likely think of brief turnarounds in performance.  But what if it’s more? What makes a reversal turn into a recovery is a full-fledged long-term improvement in performance. We can apply this logic to Equal Weight’s recent experience.  After consistent underperformance since April 2017, the S&P 500®…

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Nov 16, 2020

Motions of the Market

The S&P 500® rose by 10% in the 12 months ending on Oct. 31, 2020, trouncing the S&P 500 Equal Weight Index by 9.1%, as seen in Exhibit 1. While such outperformance is not unprecedented, it does remind us of previous market peaks (especially in December 1999), and raises questions about whether a reversal may…

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