Abstract

http://ssrn.com/abstract=1939522
 
 

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Federal Market Information Technology in the Post Flash Crash Era: Roles for Supercomputing


Wes Bethel


Lawrence Berkeley National Laboratory

David Leinweber


Lawrence Berkeley National Laboratory

Oliver Ruebel


Lawrence Berkeley National Laboratory

Kesheng Wu


Lawrence Berkeley National Laboratory

September 25, 2011


Abstract:     
This paper describes collaborative work between active traders, regulators, economists, and supercomputing researchers to replicate and extend investigations of the Flash Crash and other market anomalies in a National Laboratory HPC environment.

Our work suggests that supercomputing tools and methods will be valuable to market regulators in achieving the goal of market safety, stability, and security. Research results using high frequency data and analytics are described, and directions for future development are discussed.

Currently the key mechanism for preventing catastrophic market action are “circuit breakers.” We believe a more graduated approach, similar to the “yellow light” approach in motorsports to slow down traffic, might be a better way to achieve the same goal. To enable this objective, we study a number of indicators that could foresee hazards in market conditions and explore options to confirm such predictions.

Our tests confirm that Volume Synchronized Probability of Informed Trading (VPIN) and a version of volume Herfindahl-Hirschman Index (HHI) for measuring market fragmentation can indeed give strong signals ahead of the Flash Crash event on May 6, 2010. This is a preliminary step toward a full-fledged early-warning system for unusual market conditions.

Number of Pages in PDF File: 22

Keywords: VPIN, flash crash, liquidity, flow toxicity, market microstructure, probability of informed trading, circuit breakers, market fragmentation

JEL Classification: C02, D52, D53, G14

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Date posted: October 7, 2011  

Suggested Citation

Bethel, Wes and Leinweber, David and Ruebel, Oliver and Wu, Kesheng, Federal Market Information Technology in the Post Flash Crash Era: Roles for Supercomputing (September 25, 2011). Available at SSRN: http://ssrn.com/abstract=1939522 or http://dx.doi.org/10.2139/ssrn.1939522

Contact Information

Wes Bethel
Lawrence Berkeley National Laboratory ( email )
One Cyclotron Road
Berkeley, CA 94720
United States
David Leinweber (Contact Author)
Lawrence Berkeley National Laboratory ( email )
One Cyclotron Road
Berkeley, CA 94720
United States
Oliver Ruebel
Lawrence Berkeley National Laboratory ( email )
One Cyclotron Road
Berkeley, CA 94720
United States
Kesheng Wu
Lawrence Berkeley National Laboratory ( email )
One Cyclotron Road
Berkeley, CA 94720
United States
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