Pairs trading strategy is a market neutral strategy that enables operators to benefit from almost any market condition, upward, downward or lateral movement. Although introduced in the early 1980s, the strategy became popular among retail traders only after the introduction of online trading, but sophisticated trading systems. Trade opportunities pairs usually lasts only a short period of time thus, rapid response to market movements is required, which can only be achieved by a high degree of automation.

The first and most important step in pairs trading strategy is to find the pairs. Pairs trading instruments (stocks, options, futures, currencies, bonds, etc.) which show a high correlation, which is the price move in one direction from another. For stocks, pairs can be shares of two companies in the same (or related) industry. To view the options, can be related stock options. For the future can be full size and mini contracts or may be related to the future of (the same) industries. And that may be foreign currencies of countries that have good business relations. Traders should use different technical and fundamental analysis tools to find these pairs. Once we identify pairs of the strategy is simple. Pares

traders seek divergence of correlation between the actions of a few. When there is a discrepancy, the traders to take positions in a couple of instruments. For stocks, currencies and futures, the trader takes long position on the instrument and playing short position for the performance of more than a tool to view the options, the option trader writes and shares under option to purchase beyond stocks. In most cases the costs of taking a position is offset by revenue from the opposite position. Trader benefited if the divergence is corrected and the instruments are brought to the original (near original) correlation of market forces.
Pairs trading strategy
demand good position size, timing the market and decision-making ability. Although the strategy is not much risk there is no shortage of opportunities, and for profit, the operator must be among the first to seize the opportunity. Statistics

Arbitration, popularly called StatArb is the extensive use of the pairs trading strategy. The strategy is to profit from price inefficiencies in the market and profit by monitoring the divergence of correlation. But unlike pairs trade, including StatArb risk. Statistics

In arbitration, the traders constitute the portfolio that consists of a series of different populations, which are carefully combined to reduce market risk and stock beta. The stocks are carefully selected using the tools and basic techniques, including industry, the beta version, volume, growth, value and performance history. In general, stocks in the portfolio are rated using the half-deviation principle and mathematical modeling. In general, populations that are below the highest rating, outperforming stocks and receive low scores. The strategy is to take long position in the high score stocks and take short positions in stocks with low scores.

With two pairs of statistical arbitrage trading and continuous data, analysis and market prices and price matching are important. High position size, low cost and better trade negotiation platforms can offer better benefits.

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