Competition for Order flow and Price Discovery: The Curious case of High-tech Entrants

70 Pages Posted: 23 May 2014 Last revised: 19 Aug 2015

See all articles by Gbenga Ibikunle

Gbenga Ibikunle

University of Edinburgh; European Capital Markets Cooperative Research Centre

Date Written: August 14, 2015

Abstract

The quality of ultra-high frequency quotes submitted to an entrant high-tech market (BATS Chi-X Europe – Chi-X) is compared to those of an established national exchange (London Stock Exchange – LSE). There are intraday variations regarding which platform impounds new information about the fundamental value of stocks into their prices fastest such that both markets alternate price leadership over the day and across high and low volume stocks. The variations in price leadership are consistent with the effects of informed trading, liquidity and institutional trading arrangements on both platforms, but inconsistent with the theoretical liquidity-price efficiency link. Dark and algorithmic trading are shown to generally impede price discovery for lower volume stocks on Chi-X, while the effect of algorithmic trading is found to be generally positive for LSE stocks’ price discovery. Despite the variations in intraday price leadership, Chi-X accounts for more share of price discovery than is suggested by its comparatively lower share of transactions; crucially, this strong showing in the price leadership contest is critical to its gaining of market share at the expense of the LSE.

Keywords: Price discovery, MiFID, Multilateral trading facilities, Regulated markets, Informed trading, High frequency trading

JEL Classification: G14, G15, G18, G23

Suggested Citation

Ibikunle, Gbenga, Competition for Order flow and Price Discovery: The Curious case of High-tech Entrants (August 14, 2015). Available at SSRN: https://ssrn.com/abstract=2440691 or http://dx.doi.org/10.2139/ssrn.2440691

Gbenga Ibikunle (Contact Author)

University of Edinburgh ( email )

Old College
South Bridge
Edinburgh, Scotland EH8 9JY
United Kingdom

European Capital Markets Cooperative Research Centre ( email )

Viale Pidaro 42
Pescara, 65121
Italy

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