Pairs trading is the action of a trader going long one Contract for difference and simultaneously selling another. As the trader is long one CFD and short the other they are not affected by broader market price movements instead they are subject to the price movements of the pair of stocks which they are trading. As long as the trader buys the outperforming security or sells the under performing security they will make money.
Most traders buy CFDs with the expectation that the market will rise, few traders take sold positions with the view the market will fall. Pairs traders do not care about market direction and do not mind which direction the market moves as long as they pick a strong pair of linked shares.
Pairs trading has become popular since the introduction of CFDs, prior to this it was hard for a trader to short sell. CFDs have made pairs trading simple and accessible to the everyday trader.
Most traders take up pairs trading strategies when there is uncertainty as to the trend of the market. The grounds for this is that it eliminates market risk, whether the trade makes money will depend on whether the trader goes long a Contract for difference that will outperform or goes short a CFD that will under perform. A common illustration of this would be buying Commonwealth Bank (CBA) and going short ANZ Bank (ANZ), because the trader expects that CBA will outperform ANZ. If both stocks rise or fall the trader is going to be indifferent, however should CBA rise and ANZ fall as the trader anticipated, the trader will make money. If CBA falls less than ANZ the trader will generate profits likewise if CBA rises more than ANZ the trader will also generate profits.
There are a number of benefits of using Contracts for difference in your pairs trading strategy. One of the main benefits is the financing offset that can be achieved when the trader earns a financing income on their sold position. Take the above example for instance, when the trader opens the long Contract for difference position on CBA they will pay a small financing charge however when the trader goes short the ANZ Contract for difference they will receive financing income. Although the offset is not 100% it will most certainly lower the expense of the trade. In many ways pairs trading as a short to medium term strategy and can be less expensive and less dangerous than simply opening a naked long or short position.
Pairs trading is not only commonly used when trading share Contracts for difference it has also become exceptionally popular for use with indices. When using Contracts for difference over indices investors can take the view that one index will outperform the other. An example of this may be the US market compared to the Australian market. In this example you would buy the ASX 200 index Contract for difference and sell the S&P 500 index CFD with the expectation that the Australian market will outperform the US market.
Pairs investors adopt a number of strategies, one of the more typical strategies used is to select pairs that are correlated, for example Stockland against Mirvac or Rio Tinto against BHP Billiton. It is also typical for traders to use sector Contracts for difference in their strategy such as the health care sector versus the materials sector or energy sector versus the ASX 200 index.
An illustration of sector trading would be the resources sector versus the ASX 200 index. The trader might be of the opinion that the resources sector is overvalued relative to the market and will under perform the market, the trader would sell the resources sector and buy the ASX 200 index. Alternatively the trader may feel that the market will give ground and money will move back into the defensive securities, in this case the trader would go long the health care sector and sell the energy sector. When choosing sectors the trader should consider their weighting within the overall index as this will help the trader decide the sectors correlation to the overall market. Pairs trading can be done on just about any financial instrument except currencies which by their very nature are allready a pairs trade.
To find out more about CFDs visit our CFD trading page and download our educational guide.
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