New Evidence on the Relation between Return Volatility and Trading Volume

26 Pages Posted: 20 Jun 2010

See all articles by Thomas Chinan Chiang

Thomas Chinan Chiang

Drexel University - Department of Finance

Zhuo Qiao

University of Macau

Wing-Keung Wong

Asia University, Department of Finance

Date Written: June 19, 2010

Abstract

In his seminal paper, Brooks argues that the relation between return volatility and trading volume can be both linear and nonlinear. Adopting both linear and nonlinear Granger causality tests, he shows that there exists both linear and nonlinear bi-directional causality between trading volumes and return volatility (measured by square of daily return). We re-examine his claims by using realized volatility as a more precise estimator of the unobserved volatility, adopting a stationary de-trended trading volume and applying a more recent data sample with robustness tests over time. Our linear Granger causality test shows that there is no causal linear relation running from volume to volatility but there exist an ambiguous causality for the reverse direction. In contrast, we find strong bi-directional nonlinear Granger causality between these two variables. Our results provide strong support for the sequential information theory and offer a promising prospect for developing nonlinear models to predict return volatility using trading volume.

Keywords: Return Volatility, Trading Volume, Nonlinear Granger Causality, High Frequency Data

JEL Classification: G12, G14

Suggested Citation

Chiang, Thomas C. and Qiao, Zhuo and Wong, Wing-Keung, New Evidence on the Relation between Return Volatility and Trading Volume (June 19, 2010). Available at SSRN: https://ssrn.com/abstract=1627223 or http://dx.doi.org/10.2139/ssrn.1627223

Thomas C. Chiang

Drexel University - Department of Finance ( email )

32nd & Chestnut Streets
Philadelphia, PA 19104
United States
215-895-1745 (Phone)

Zhuo Qiao

University of Macau ( email )

P.O. Box 3001
Macau

Wing-Keung Wong (Contact Author)

Asia University, Department of Finance ( email )

Taiwan
Taiwan

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