Micro-Structure & Exchanges: A Complicated Relationship

This past Tuesday, news hit that BATS Global Markets was in the process of settling with the Securitues and Exchange Comission on the claim that Direct Edge provided unfair perks to certain high frequency traders (HFT), a development that might set a pivotal precedent in the market structure debate.

News of the possible settlement was preceded by the departure of William O’Brien, who ran Direct Edge with its twin exchanges before selling it to BATS in early 2014, becoming the second-in-command of the combined entity.

In an effort to challenge Brad Katsuyama of “Flash Boys” fame live on TV, O’Brien stated that his exchange’s matching engine (used to match buy and sell orders) used direct feeds provided by other exchanges.

However Direct Edge’s matching system used staler data from the SIP (securities information processor) – not the direct feeds – for several important housekeeping tasks. In a spectacular public relations failure, the New York Attorney General forced BATS to publicly correct O’Brien’s statements.

One person in the mix who might have been forgotten is Haim Bodek. After coming out publicly in Scott Patterson’s “Dark Pools” as a critic of exchanges that cater to HFT, Haim was on a one-man crusade to save his reputation by making a convincing case against the HFT industry.

In the end, he wound up triggering SEC investigations that (so far) led to an exchange head being forced to step down. For those unaware, Haim was also the real star of the VPRO film “Wall Street Code.” In the film, Haim used the example of skipping in line while buying Metallica concert tickets:

In a phone conversation with Benzinga, Haim noted this (yet to be announced) settlement would set precedent for future concerns about abuses taking place on securities exchanges.

Direct Edge wasn’t the only exchange, nor the first exchange, to do what it did, which was the creation of symbiotic relationships between exchanges and HFTs.  

In light of the major events that took place over the past year, aside from announced investigations by the SEC and NYAG, the recent actions taken by U.S. exchanges are suspect, whether they are attempts to engage in damage control or to sweep some things under the rug.

Select Microstructure-Related Events
Month Year Event
August 1 2012 Knight Capital $440M loss
August 2012 Goldman $100M options trading glitch with trades eventually busted
August 22 2012 Nasdaq goes dark for 3 hours (NASDARK)
September 2012 Hold Brothers Brokerage fined for “spoofing”
September 2012 The Wall Street Journal runs an in-depth article on Hide-Not-Slide order type
September 2012 NYSE sued $5M for selling faster data access to special clients
January 2013 The Problem Of HFT is released by Haim Bodek highlighting “special order types” and exchange abuses
August 2013 BATS & Direct Edge merger talks surface – Deal takes place so quickly it finishes ahead of schedule
October 2013 Direct Edge publishes its “Order Type Guide”
November 2013 Wall Street Code is released
February 2013 O’Brien misinforms the public about what Direct Edge uses to match orders
July 2014 O’Brien steps down as President of BATS Global Markets
July 28-29 2014 All US equity exchanges adopt rules on the usage of SIP and direct feeds
August 1 2014 Euronext CEO steps down
August 5 2014 Information about a possible settlement with BATS relating to special order types is reported

 

The year 2012 was riddled with HFT problems. BATS IPO failure; Facebook launch delayed; seven or eight instances of self-help declarations by several exchanges in August; Nasdaq’s three-hour outage in August; Goldman’s trading glitch; Knight’s trading glitch (affectionately known as the “Knightmare on Wall Street”); and the unprecedented $5 million fine imposed on NYSE for speeding up its private data feeds vis-a-vis the SIP.

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