Commonality in Liquidity: A Global Perspective

55 Pages Posted: 27 Feb 2007 Last revised: 29 Sep 2008

See all articles by Paul Brockman

Paul Brockman

Lehigh University - College of Business

Dennis Y. Chung

Simon Fraser University

Christophe Pérignon

HEC Paris - Finance Department

Date Written: November 1, 2006


We conduct a comprehensive study of commonality in liquidity using intraday spread and depth data from 47 stock exchanges. We find that firm-level changes in liquidity are significantly influenced by exchange-level changes across most of the world's stock exchanges. Emerging Asian exchanges have exceptionally strong commonality, while those of Latin America exhibit little if any commonality. After documenting the pervasive role of commonality within individual exchanges, we examine commonality across exchanges. We find evidence of a distinct, global component in bid-ask spreads and depths. Local (exchange-level) sources of commonality represent roughly 39 percent of the firm's total commonality in liquidity, while global sources contribute an additional 19 percent. We also investigate potential sources of exchange-level and global commonality. We show that commonality is driven by both domestic and US macroeconomic announcements.

Keywords: Liquidity, Commonality, Bid-Ask Spreads, Depths

JEL Classification: G10, G15

Suggested Citation

Brockman, Paul and Chung, Dennis Y. and Pérignon, Christophe, Commonality in Liquidity: A Global Perspective (November 1, 2006). Journal of Financial and Quantitative Analysis (JFQA), Forthcoming, Available at SSRN: or

Paul Brockman

Lehigh University - College of Business ( email )

Bethlehem, PA 18015
United States

Dennis Y. Chung

Simon Fraser University ( email )

8888 University Drive
Burnaby, British Columbia V5A 1S6

Christophe Pérignon (Contact Author)

HEC Paris - Finance Department ( email )

1 rue de la Liberation
Jouy-en-Josas Cedex, 78351

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