Abstract: Traders’ choice between lit and dark trading venues depends on market conditions, which are affected by execution priority rules in the dark pool, adverse selection, and traders' competition. We show that dark trading activity has a non-linear relationship with asset volatility and liquidity, which explains previous mixed empirical results regarding the impact of dark pools on market quality. The introduction of dark pools increases welfare only for speculators, while other traders (even large traders) are worse off. Importantly, we show that a size execution priority rule improves global welfare and liquidity relative to a time execution priority for dark orders.
Format: There will be an initial presentation followed by an audience Q&A session.
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Nandini Sukumar is the Chief Executive Officer of the World Federation of Exchanges, the global association for exchanges and CCPs. The WFE represents more than 250 exchanges and clearing houses globally, educating stakeholders on the vital role played by market infrastructures in the real economy and as a standard setter, finding the consensus on issues among the global membership. WFE exchanges are home to nearly 45,000 listed companies, the market capitalization of these entities is over $82.5 trillion and around $81.8 trillion in trading annually passes through the infrastructures that the WFE members safeguard. Ms. Sukumar is Vice Chair of IOSCO’s Affiliate Members Consultative Committee and Chair of the AMCC’s DLT Workstream.
Ms. Sukumar has been CEO of the WFE since March 2015. Prior to this, she served as Acting Chief Executive Officer from November 2014, having been recruited by the WFE Board as Chief Administrative Officer in May 2014 to run the Federation on a daily basis and work with its global network of members as a proponent of the benefits of fair, orderly, public markets. Ms. Sukumar came to the WFE after a 14-year career at Bloomberg where she created, grew and ran their coverage of market structure, exchanges and UK regulation.
Pedro joined the World Federation of Exchanges in October 2019 from the Bank of England, where he led the Financial Market Infrastructures Directorate’s Research Team. He had joined the Bank of England in 2013, after two years at the UK Financial Services Authority. Previously, Pedro spent more than 15 years lecturing and doing research at a range of well-regarded academic institutions, including the University of Barcelona and the Instituto Tecnológico Autónomo de México (ITAM).
Pedro holds two PhDs: one from the University of Barcelona, Spain, and one from the University of Montpellier, France, and has published across key academic journals, including the Journal of Financial Market Infrastructures, the Journal of Risk, International Finance and the Journal of Futures Markets. His recent work includes research on the economics of distributed ledger technologies (DLT) for securities settlement, on the network structure of settlement fails and on market liquidity risk in CCPs. He has also published research on payment systems, back-testing methodologies and on the structure of interest rate futures markets. In 2007 he received the National Award on Derivatives Research, awarded by the Mexican Derivatives Exchange (MexDer).
Daniel Ladley is Professor of Finance and Deputy Dean of the University of Leicester School of Business. He is a member of the executive committee of the International Finance and Banking Association and previously Director of the Leicester Institute of Finance. Professor Ladley is an expert in computational finance and has published extensively on market microstructure, regulation and systemic risk.
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