Price-Based Return Comovement

Green, T. Clifton; Hwang, Byoung-Hyoun

doi:10.2139/ssrn.972785

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Price-Based Return Comovement

37 Pages Posted: 21 Mar 2007 Last revised: 26 Mar 2008

See all articles by T. Clifton Green

T. Clifton Green

Emory University - Department of Finance

Byoung-Hyoun Hwang

Nanyang Business School, Nanyang Technological University

There are 2 versions of this paper

Date Written: January 2008

Abstract

Similarly priced stocks move together. Stocks that undergo splits experience an increase in comovement with lower priced stocks and a decrease in their comovement with higher priced stocks. Price-based comovement is not explained by economic fundamentals, firm size, or changes in information diffusion. The shift in comovement following splits is greater for large stocks, high priced stocks, and when investor sentiment is high. In the full cross-section, price-based portfolios explain variation in stock-level returns after controlling for movements in the market and industry portfolios as well as portfolios based on size, book-to-market, and return momentum. The results suggest that investors categorize stocks based on price.

Keywords: Stock Split, Comovement, Style Investing

JEL Classification: G14

Suggested Citation: Suggested Citation

Green, T. Clifton and Hwang, Byoung-Hyoun, Price-Based Return Comovement (January 2008). Available at SSRN: https://ssrn.com/abstract=972785 or http://dx.doi.org/10.2139/ssrn.972785