Flash Boys

Preview

If you ever wanted to see what modern Wall Street looks like when the lights are turned on for just a second, this story does the trick. It begins with a simple suspicion that something is wrong. Prices on the stock market are supposed to be clear and public. You see a number, you buy or sell at that number, and that is that. But what if the market you thought you knew had quietly become something else entirely. What if the people placing ordinary orders were no longer stepping onto a level field, but into a maze built by people who moved faster than thought and hid the rules inside code, cables, and machines. That is the world Michael Lewis opens up in Flash Boys. He does not start with equations or theories. He starts with human beings who sense, often before they can prove it, that they are being played. Traders at big banks, investors managing pension money, programmers, exchange operators, and a handful of stubborn outsiders all begin to notice the same strange thing. The market behaves as if someone can see their intentions before the rest of the world does. Every time they try to buy stock, the price seems to jump away from them. It is as if the market itself is front running them, not in the old fashioned human way, but with machines acting in tiny slices of time too small for ordinary people to notice. The book is about high frequency trading, but that phrase can make the whole thing sound dry and technical. It is not. At its heart, this is a detective story. It is also a heist story, except the theft is hidden in fractions of pennies and happens millions of times a day. The sums are huge, but...