In "Flash Boys," Michael Lewis Misses the Point -- Deliberately

rcwhalen's picture

Michael Lewis’ new book “Flash Boys: A Wall Street Revolt,” hit the top of The New York Times bestseller list a week after its release.   As you would expect, the book is skilfully assembled and quite sensational.  When I first started to read it, I too was convinced that Lewis was on to a big story, an important narrative about the seamy underside of Wall Street.  

But the more I read and, more important, the more I checked his story with my colleagues on the operations side of the financial markets, the more it becomes apparent that Lewis has missed the real story – and perhaps deliberately.  The headline of “Flash Boys” is about Wall Street traders using fast technology and unfair tactics to trade ahead of retail investors – and they do – but Lewis misses the real issues, namely: 1) a lack of transparency and 2) deliberate complexity.   

It is important to distinguish between issues related to the “flash crash” of May 2010, when the deliberately fragmented ghetto that is the US equity markets almost melted down and the daily business of HFT.  The former is discussed in an important 2011 paper by Ananth Madhavan of BlackRock, Inc.  Unfortunately, as the title of his book confirms, Lewis combines the two issues together into an often confusing narrative that is almost impossible for laymen to understand.

The abusive aspect of HFT which Lewis rightly identifies is not so much about the speed of the trading but rather always being first in line.  If you think of the current market price of a stock, a couple of years ago, the trader using HFT used to sit just above and below the current market price, and sought to execute quickly when the market price either went up or down.  The fact of computers and fast network connections enables this HFT activity, but it is not really the key part of the strategy.  Instead the key is to always be first in line.

The important part of the story that Lewis misstates is that there is no conspiracy, no illegal activities.  All of the strategies used in HFT are not only legal, but they are the result of extensive rule making and public hearings by Congress, the Securities and Exchange Commission, FINRA and the major exchanges.  So while Lewis is right to say that these strategies “screw” retail customers in a practical sense, the fact is that the activity has been entirely blessed by Congress, regulators and the major exchanges.

In the first aptly named chapter, “Hidden in Plain Sight,” Lewis describes groups of traders attempting to conceal their activities, great stuff if your chief objective is to sell books.  But the reality is that the top three HFT firms – Goldman Sachs, Morgan Stanley and Credit Suisse – have been very visibly investing in trading technology for decades.  These investments in computers and fast network connections not only give them an advantage over other firms, but afford these firms bragging rights on the Street.  If you are an equity trader, you don’t want to work at a “flow shop” like Merrill Lynch.

Part of the reason that the Big Media is making such a fuss over “Flash Traders” is that they have no idea how the equity markets actually work in the brave new world of Reg NMS – 600 pages of unintelligible rules and definitions.  Lewis notes that as the size of equity trades after 2000 “had plummeted, the markets had fragmented and the gap in time between the public view of the markets and the view of high frequency traders had widened.”  This passage and others give readers the false impression that the speed of the HFT is the key point, but this is incorrect.

Going back to the point about being first in line, let’s take an example.  The BATS order type known as “display-price sliding” allows an investor to essentially position themselves in the center of the equity market for a given stock.  This means that when the market price changes, instead of the HFT “market order” being canceled as per the National Best Bid and Offer (NBBO) rule, it simply “slides” to follow the market.  Most investors and advisors don’t even know that such an order type exists.

For example, when Lewis talks about the fact that Virtu Financial had made money almost every day for five years, the reader is given the impression that the speed of the trading gave Virtu and other HFT shops the advantage.  But the reality is that the high frequency trader not only executes before the retail customer, as Lewis describes, but is always first in line.  This structural duplicity is programed into the system, but is perfectly kosher under Reg NMS.

Indeed, the real scandal is that all of this has been entirely blessed by the SEC, FINRA and the major exchanges and is described in the voluminous public documentation for permitted order types.  But suffice to say, virtually nobody in the Big Media or at most Wall Street firms understand any of this or knows, for example, that there are over 100 different order types allowed by the SEC and FINRA under current law and regulations.

The crime of HFT is that Congress, the SEC and other regulators have allowed a handful of Wall Street firms to assemble a set of opaque market rules that few people understand. You could probably put all of the Wall Street operations people who really understand HFT in a large conference room.  Outside of the small community of traders and operations people who make HFT work, almost nobody else on Wall Street really understand the nuances of the business.  And virtually nobody at the SEC has a clue how this works in practice. 

We should thank Michael Lewis for using his celebrity and considerable writing skills to draw attention to this issue of HFT, but “Flash Boys” incorrectly demonizes individual traders and firms.  Lewis “Puts a Face on HFT,” but in doing so misses the real point of the problem.  Instead of drawing an accurate picture of HFT, namely corruption and stupidity in Washington, admittedly a banal and boring tale, Lewis chose instead to create a sensational and interesting fictional narrative that will obviously sell more books.  

“Flash Boys” is a book written for Hollywood instead of the history books or policy makers. Just as the hyper-popular “Wolf of Wall Street” was not an accurate portrayal of fraudster Tom Prousalis, as his daughter Christina testifies, the story line in “Flash Boys” is more fictional dramatization than fact.  The true perpetrators in Michael Lewis’ tale of Wall Street greed and corruption are, in order of complicity, the US Congress, the SEC, FINRA and major exchanges, and last but not least the community of Buy and Sell Side Advisors, who genuinely do not understand how HFT really works.  That covers just about everybody.    

As illustrator Walt Kelly’s Pogo said famously: “We have met the enemy and he is us.”