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When you watch a commercial for one of the major stock exchanges, you are welcomed into a world of fast-moving, slick images full of glistening buildings, lush crops and happy people. They are typically interspersed with shots of intrepid executives veering out over the horizon as if to say, “I’ve got a long-term vision, and the exchange where my stock is listed is a valuable partner in achieving my goals.” It’s all very reassuring and stylish. But there’s another side to the story.
I have been educated about the realities of today’s stock exchange universe through recent visits with Brad Katsuyama, co-founder and CEO of IEX (a.k.a. The Investors Exchange). If Katsuyama’s name rings a bell, and you don’t work on Wall Street, it’s likely because you remember him as the protagonist of Michael Lewis’s 2014 best-seller, Flash Boys: A Wall Street Revolt, which explored high-frequency trading (HFT) and made the case that the stock market was rigged, really badly.
Years - Practices - Lewis - Things - Past
Five years later, some of the worst practices Lewis highlighted are things of the past, and there are several attributes of the American equity markets that are widely admired around the world. In many ways, though, the realities of stock trading have gotten more unseemly, thanks to sophisticated trading technologies (e.g., microwave radio transmissions that can carry information at almost the speed of light), and pitched battles among the exchanges, investors and regulators over issues including the rebates stock exchanges pay to attract investors’ orders and the price of market data charged by the exchanges.
I don’t claim to be an expert on the inner workings of the stock market, but I do know this: Likening the life cycle of a trade to sausage-making is an insult to kielbasa. More than ever, trading is an arcane, highly technical and bewildering part of our...
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