Behind all the glitches is a trend, the rise of algorithmic and high-frequency trading to a level of prominence that would have been unimaginable as recently as the 1990s.
FORBES: From Facebook Fiasco To Flash Crash, Small Investors Get Hosed By Wall Street
His first job at a high-frequency trading operation was as a quantitative research analyst at Citadel, a giant Chicago hedge fund, which he joined in early 2009.
Quartz watches use very high-frequency oscillations of a crystal, which can be tuned with extreme precision to produce regular signals.
ECONOMIST: A luxury watchmaker is putting silicon in its timepieces
That raised public awareness of the risks related to the emergence of high-frequency traders as a major force in financial markets.
Furthermore, the LightSpeaker's 2.5-inch wide dispersion driver uses digital signal processing to optimize high- and low-frequency output for a full spectrum of sound.
In a recent interview before he rang the closing bell at Nasdaq, Sauter gave me a lengthier definition and even thanked the high-frequency traders for making the market a better place.
That could roil the high-frequency trading world, a competitive and controversial business that is transforming the financial markets.
Most high-frequency trading is fundamentally a form of market making with very tight inventory control and very short-lived positions.
FORBES: High Frequency Traders And Current Market Structures Penalize Investors
That, they say, gives them access to more telling, high-frequency waves that say a lot more about cognitive intentions.
ENGADGET: Test subjects with electrode implants use mind control to move a cursor
In a page-one article Wednesday, The Wall Street Journal reported that Haim Bodek, who helped run a high-frequency trading firm, told SEC enforcement officials last year that he believed exchanges were giving certain sophisticated trading firms special advantages that helped them beat out other investors.
Dr Ardavan is confident that, if the machine can be coaxed into doing this, it will radiate in exactly the way he predicts, providing a tuneable and compact source of high-frequency microwaves in effect, a tabletop pulsar, without the neutron star.
So a high-frequency trading firm that wanted to sell could still turn to another electronic market.
Lime Brokerage, a high-frequency agency brokerage and trading technology provider, has launched an options trading platform.
The cylindrical speaker features two high-performance drivers, a built-in bass port and digital signal processing software to extend frequency response on the high end while providing tighter low ends for deeper bass response.
ENGADGET: JBL freshens its portable speakers with Micro II, Bluetooth-toting Flip and Micro Wireless
It is hoped that such a pause would prevent high frequency, algorithmic, computer-driven trades from moving stock prices in a disorderly fashion.
The company also provides a range of high-frequency design processes and capabilities that can be used in custom design.
For those who run millions of dollars the latest fashion is called high-frequency trading: get in, snag a tiny profit, get out, repeat.
Initial high-frequency data for September, though, point at a recovery in EM central bank demand for the common currency.
FORBES: EM Central Banks To Gobble Up Euros After Sharp Drop Against The Dollar
Manoj Narang of Tradeworx, argued that high-frequency traders create liquidity and hold less capital than a mid-size hedge fund.
FORBES: CFA Institute Conference: Fix The Financial Industry
Regarding market fragmentation, Sauter noted that this can be both a good thing and a bad thing but that high-frequency traders bring the markets back together.
The insider threat has traditionally been viewed as a high-consequence but low-frequency risk, and many IT organizations have found it challenging to develop effective programs that manage that risk.
Britain's Treasury recently commissioned a study on the effect of high-frequency traders on markets.
ECONOMIST: The post mortem into the stockmarket slide of May 6th
Will a transaction tax put a crimp in high frequency trading shadow-like activities?
Not all planes across oceans have data-link capabilities, and high-frequency radio is still used with some flights and as a backup with others.
WSJ: How New Air-Traffic Control Systems Operate Over Oceans
The waterproof functionality doesn't come at the expense of the sound, either, with the Aquaris sporting high-definition sound with 48 channels with high frequency resolution and a 12 kHz frequency range.
And despite the mind-boggling technology now involved in high-frequency trading, where algorithms do battle in slivers of a second, the stock world is taking on shades of a street fair in Mexico City.
Others are demanding an end to some favorite practices of high-frequency traders, like offering bids for shares that last only a few milliseconds.
FORBES: Memo to New SEC Chief: Ask the FAA How to Stop the Next Flash Crash
Regulators are looking into whether exchanges, in a rush to gain the business of high-frequency firms, have provided advantages to some sophisticated trading firms that allow them to trade profitably at the expense of other investors, according to people familiar with the continuing probes.
The SEC has already proposed a number of changes designed to address their growing influence, including extra restrictions on broker-dealers that provide direct market access to high frequency traders, a trader tracking system for large traders, circuit breakers that would slow trading in individual stocks if they fall more than 10%, and new rules for off-exchange trading venues.
Power lines are extremely hostile places for data signals, with high levels of electronic noise and an obstacle course of transformers, surge arrestors and splices that create a huge impedance to the free flow of high-frequency signals.
应用推荐