Featured Articles

Dimensions of Popularity

Journal of Portfolio Management, vol. 40, no. 5 (Special 40th Anniversary Issue, 2014), p. 68-74.
By Roger G. Ibbotson, Ph.D. and Thomas M. Idzorek

A broad exposition of the central role of popularity in asset pricing, arguing for the consideration of popularity outside of a standard risk framework and differentiating low-popularity equity strategies from low-volatility and low-beta strategies.

Liquidity as an Investment Style: 2018 Update

February, 2018
By Roger G. Ibbotson, Ph.D. and Daniel Y.-J. Kim, Ph.D.

The latest version of “Liquidity as an Investment Style,” including updates of all empirical results to reflect additional U.S. market data.

Fixed Indexed Annuities: Consider the Alternative

January, 2018
Roger G. Ibbotson, Ph.D.

An FIA may be an attractive alternative to traditional fixed income options like bonds to accumulate financial assets (tax-deferred) prior to retirement.

Popularity – A Bridge between Classical and Behavioral Finance

December, 2018
Roger G. Ibbotson, Thomas M. Idzorek, CFA, Paul D. Kaplan, CFA, and James X. Xiong, CFA

Why does value investing work? Why do other factor strategies work? For that matter, why does any active strategy—meaning, any strategy other than capitalization-weighted indexing—“work” in the sense of having a reasonable chance of beating the cap-weighted index other than by random variation? The answer could lie in classical finance, or behavioral finance, or both.

NYSE® Zebra Edge® Index Research Note

January, 2019
John J. Holmgren, Jr., President and COO | Paul A. St. Pierre, Portfolio Management Analyst

The NYSE® Zebra Edge®​ Index was designed to leverage cutting-edge research in behavioral finance to avoid and exploit behavioral bias. The index seeks to generate higher returns with less risk.

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