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Folding: integrating algorithms into the floor of the New York Stock Exchange

Beunza, Daniel and Millo, Yuval (2013) Folding: integrating algorithms into the floor of the New York Stock Exchange. Working paper series, Social Science Research Network (SSRN), London, UK.

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Abstract

How does automation reshape markets? Existing sociological studies have argued that market automation need not entail a dilution of social relations, but the empirical evidence is inconclusive. Our multi-period ethnography of the New York Stock Exchange addresses this gap by exploring how the NYSE automated trading while preserving its floor intermediaries. Our study reports on observations in 2003 before automation was introduced, outlining the functions traditionally played by specialists and floor brokers. It then analyzes how the Exchange preserved these intermediary roles in 2006-08 as it introduced algorithmic order matching, and proposes the notion of folding to denote the process of automating a market while preserving its social structure. Finally, our analysis of the Flash Crash in 2010 suggests that folding allowed the NYSE to outperform its floorless rivals.

Item Type: Monograph (Working Paper)
Official URL: http://www.ssrn.com/
Additional Information: © 2013 The Authors
Library of Congress subject classification: H Social Sciences > HG Finance
Journal of Economic Literature Classification System: G - Financial Economics > G2 - Financial Institutions and Services > G24 - Investment Banking; Venture Capital; Brokerage; Rating Agencies
Sets: Departments > Management
Research centres and groups > Employment Relations and Organisational Behaviour Group
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Date Deposited: 11 Apr 2014 10:41
URL: http://eprints.lse.ac.uk/56489/

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