But some of the advantages that accrue to high-frequency traders look unfair.
但是一些因高频交易而带来的优势则显得有些不公平。
Today that responsibility falls largely on a group of high-frequency traders who make up an estimated two-thirds of stock-market volume.
现如今，这种责任感在很大程度上取决于进行高频率操作的交易员，这一团体的交易量约计占整个股市交易量的三分之二。
They also believe that it would be no great loss if the tax drives away "high-frequency traders", ultra-fast automated traders whose margins are razor-thin.
他们也相信，如果这一税收赶走了“高频交易员”——那些超快的自动化交易员，他们的利润率极其微弱——也不会有什么大损失。
Some investors use ETFs as a quick way of expressing their overall view on the market, while high-frequency traders use the funds as part of their complex arbitrage strategies.
一些投资者将ETFs作为表达市场总体看法的快速通道，而高频交易者则将ETFs当作复杂的套利策略的一部分。
The speeds are mind-boggling. High-frequency traders may execute 1,000 trades per second; exchanges can process trades in less than 500 microseconds (or millionths of a second).
高频交易的速度是难以置信的快——1000次交易每秒——而交易所能以500微秒(微秒即百万分之一秒)的速度处理每笔交易。
Many dark pools that are owned by broker-dealers now welcome high-frequency traders (HFTs), who can use their speed to exploit price differences between exchanges and dark pools.
许多券商开设的暗盘正大肆招揽高频交易者(HFTS)——他们以超乎常人的交易速度来赚取交易所报价与暗盘报价之间的差价。
Regulators think that some high-frequency traders switched off their programs when prices began to spiral, fearful that their trades would be cancelled because of the severity of the declines.
管理机构认为，价格开始急剧涨跌时，有些高频率交易员会关闭程序，害怕他们的交易因为跌幅过大而被取消。
High-frequency traders attempt to uncover how much an investor is willing to pay (or sell for) by sending out a stream of probing quotes that are swiftly cancelled until they elicit a response.
高频交易者试图利用一连串的试探性报价(会立即撤销的定单)来获知投资者希望在什么价位买进(或卖出)股票。
High-frequency traders attempt to uncover how much an investor is willing to pay (or sell for) by sending out a stream of probing quotes that are swiftly cancelled until they elicit a response.
高频交易者试图利用一连串的试探性报价(会立即撤销的定单)来获知投资者希望在什么价位买进(或卖出)股票。
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