Algorithmic stock trading
Forget the movie Wall Street and its stereotypes of wonderboy stock traders. Algorithmically assisted or fully automated algo-trading is making it increasingly impossible for traders to make a killing in the market. Some analysts worry that algo-trading is making markets more volatile, others think it contributes to market liquidity and transparency. One way or the other, the trader bots are not going away…
From Wikipedia: Algorithmic trading:
In electronic financial markets, algorithmic trading or automated trading, also known as algo trading, black-box trading, or robo trading, is the use of computer programs for entering trading orders with the computer algorithm deciding on certain aspects of the order such as the timing, price, or even the final quantity of the order. It is widely used by hedge funds, pension funds, mutual funds, and other institutional traders to divide up a large trade into several smaller trades in order to manage market impact, opportunity cost, and risk.[1] It is also used by hedge funds and similar traders to make the decision to initiate orders based on information that is received electronically, before human traders are even aware of the information.
A third of all EU and US stock trades in 2006 were driven by automatic programs, or algorithms, according to Boston-based consulting firm Aite Group LLC. By 2010, that figure will reach 50 percent, according to Aite.[2]
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