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The impact of introducing a pre‐close on the New Zealand share market

John F. Pinfold (School of Economics and Finance, Massey University (Albany Campus), Auckland, New Zealand)
Danyang He (School of Economics and Finance, Massey University (Albany Campus), Auckland, New Zealand)

Journal of Financial Regulation and Compliance

ISSN: 1358-1988

Article publication date: 17 February 2012

Abstract

Purpose

The purpose of this paper is to investigate the July 2007 introduction of a pre‐close call auction on the New Zealand stock market and its effect on share pricing quality and market manipulation.

Design/methodology/approach

Market quality was tested using the methodology of Pagano and Schwartz, which is based on changes in market model R2s. Closing price manipulation is detected by comparing mean bid‐ask spread characteristics of the periods before and after the introduction of the pre‐close call auction.

Findings

The closing call auction improves the quality of share pricing and reduces the incidence of market manipulation.

Practical implications

The paper confirms the effectiveness of the changes made to the method of closing the market for all firms in the market.

Originality/value

The paper extends knowledge of the effectiveness of closing call‐auctions. It is the first study in a low‐liquidity market and of shares with very low liquidities. Such markets have lower pricing quality and are more vulnerable to market manipulation. The study establishes the effectiveness of closing auctions in this environment.

Keywords

Citation

Pinfold, J.F. and He, D. (2012), "The impact of introducing a pre‐close on the New Zealand share market", Journal of Financial Regulation and Compliance, Vol. 20 No. 1, pp. 99-110. https://doi.org/10.1108/13581981211199443

Publisher

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Emerald Group Publishing Limited

Copyright © 2012, Emerald Group Publishing Limited