正文
Michael Lewis 的 Flash Boys 摘抄 （125-126页）：
... After Brad and Ronan (HFT trading experts) had left his office, the president of this big ($9 billion) hedge fund, who had never before thought of himself as prey, reconsidered the financial markets. He sat at his desk watching both his personal online brokerage account and his $1,800-a-month Bloomberg terminal. In his private brokerage account he set out to buy and exchange-traded fund (ETF) comprised of Chinese construction companies. Over several hours he watched the price of the fund on his Bloomberg terminal. It was midnight in China, nothing was happening, and the ETF's price didn't budge. He then clicked the Buy button on his online brokerage account screen, and the price on the Bloomberg screen jumped. Most people who used online brokerage accounts didn't have Bloomberg terminals that enabled them to monitor the market in something close to real time. Most investors never would know what happened in the market after they pressed the Buy button. "I hadn't even hit Execute," says the hedge fund president. "I hadn't done anything but put in a ticker symbol and a quantity to buy. And the market popped." Then, after he had bought his ETF at a higher price than originally listed, the hedge fund president received a confirmation saying that the trade had been executed by Citadel Derivatives. Citadel was one of the biggest high-grequency trading firms. "And I wondered, Why is my online broker sending my trades to Citadel?" ...
... After Brad and Ronan (HFT trading experts) had left his office, the president of this big ($9 billion) hedge fund, who had never before thought of himself as prey, reconsidered the financial markets. He sat at his desk watching both his personal online brokerage account and his $1,800-a-month Bloomberg terminal. In his private brokerage account he set out to buy and exchange-traded fund (ETF) comprised of Chinese construction companies. Over several hours he watched the price of the fund on his Bloomberg terminal. It was midnight in China, nothing was happening, and the ETF's price didn't budge. He then clicked the Buy button on his online brokerage account screen, and the price on the Bloomberg screen jumped. Most people who used online brokerage accounts didn't have Bloomberg terminals that enabled them to monitor the market in something close to real time. Most investors never would know what happened in the market after they pressed the Buy button. "I hadn't even hit Execute," says the hedge fund president. "I hadn't done anything but put in a ticker symbol and a quantity to buy. And the market popped." Then, after he had bought his ETF at a higher price than originally listed, the hedge fund president received a confirmation saying that the trade had been executed by Citadel Derivatives. Citadel was one of the biggest high-grequency trading firms. "And I wondered, Why is my online broker sending my trades to Citadel?" ...
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