Abstract

http://ssrn.com/abstract=2257481
 


 



10 Years Later: Where in the World is Equal Weight Indexing Now?


Liyu Zeng


Standard & Poor's

Frank Luo


Standard & Poor's

April 20, 2013


Abstract:     
Often the most powerful investment ideas are simple. The S&P 500 EWI 10 years ago pioneered the simple concept of equal weighted indexing. It has now expanded in the U.S. into the S&P 100, a MegaCap index, S&P MidCap 400® and S&P SmallCap 600®. The equal weighting idea has also been applied to international equities, as well as in other asset classes such as fixed income indices and commodity indices. It has become one of the most popular alternatively-weighted ideas. While the headline cause of asset flows has been outperformance over market-cap indices, sophisticated investors have realized that equal weighting creates a different set of risk factor exposures than market cap weighting that seem to have worked over the long-term as noted in the paper. Furthermore, the concept randomizes factor mispricings in the market, and it can serve as a performance benchmark for alternative-weighted indices.

Number of Pages in PDF File: 25

Keywords: Index, Equal Weight, Alternative Beta

JEL Classification: G10, G11

working papers series


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Date posted: April 28, 2013  

Suggested Citation

Zeng, Liyu and Luo, Frank, 10 Years Later: Where in the World is Equal Weight Indexing Now? (April 20, 2013). Available at SSRN: http://ssrn.com/abstract=2257481 or http://dx.doi.org/10.2139/ssrn.2257481

Contact Information

Liyu Zeng
Standard & Poor's ( email )
London EC2M 7NJ
United Kingdom
Frank Luo (Contact Author)
Standard & Poor's ( email )
55 Water Street
New York, NY 10041
United States
212-438-5057 (Phone)
Feedback to SSRN


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