Tick Size Reduction and Price Discovery in Option Markets: An Empirical Investigation

38 Pages Posted: 28 Feb 2011

See all articles by Michal Czerwonko

Michal Czerwonko

McGill University

Nabil Khoury

University of Quebec at Montreal (UQAM) - Faculty of Management (ESG)

Stylianos Perrakis

Concordia University, Quebec - John Molson School of Business

Marko Savor

University of Quebec in Montreal

Date Written: February 28, 2011

Abstract

We examine the impact of the tick size reduction introduced by the CBOE in 2007 in its second pilot program on the simultaneous price discovery process in the markets for options and their underlying securities. We first document a major dependence in both the Information Shares (IS) and Component Shares (CS) approaches to the estimation of the price discovery metrics on the inversion method of the option value to find the implied stock price. We then introduce a more accurate inversion method that results in a major increase in the information shares of option markets for both IS and CS metrics compared to the dominant Lagged Implied Volatility (LIV) inversion method. In all cases, however, we document a major impact of the tick size reduction in the option market that increases the option market information shares for all metrics and all inversion methods.

Keywords: contingent claim, market microstructure, price discovery

JEL Classification: G14, G15

Suggested Citation

Czerwonko, Michal and Khoury, Nabil and Perrakis, Stylianos and Savor, Marko, Tick Size Reduction and Price Discovery in Option Markets: An Empirical Investigation (February 28, 2011). Available at SSRN: https://ssrn.com/abstract=1773096 or http://dx.doi.org/10.2139/ssrn.1773096

Michal Czerwonko

McGill University ( email )

1001 Sherbrooke St. W
Montreal, Quebec H3A 1G5
Canada

Nabil Khoury

University of Quebec at Montreal (UQAM) - Faculty of Management (ESG) ( email )

Case postale 8888
Succursale Centre-ville
Montreal, Quebec H3C 3P8
Canada
514-987-3000 x6717 (Phone)

Stylianos Perrakis

Concordia University, Quebec - John Molson School of Business ( email )

1455 de Maisonneuve Blvd. W.
Montreal, Quebec H3G 1M8
Canada

Marko Savor (Contact Author)

University of Quebec in Montreal ( email )

Case postale 8888
Succursale Centre-ville
Montreal, Quebec H3C 3P8
Canada
514-987-3000 ext.: 8553 (Phone)

HOME PAGE: http://www.uqam.ca

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