Arbitrage is based on the premise of the forex trader trying to make a gain from small differences (of the currency) that exist either in the same or different markets. This is primarily a form of speculation. Identifying the right conditions and employing this strategy is not an easy task. Arbitrage strategy best market participants who have best technology systems and have quickest access to information. Arbitrage is best employed when the same currency has two different prices.

A forex trading strategy works really well when traders follow the rules. But just like anything else, one particular strategy may not always be a one-size-fits-all approach, so what works today may not necessarily work tomorrow. If a strategy isn't proving to be profitable and isn't producing the desired results, traders may consider the following before changing a game plan: 

This strategy leverages early market moves of certain highly liquid currency pairs. The GBPUSD and EURUSD currency pairs are some of the best currencies to trade using this particular strategy. After the 7am GMT candlestick closes, traders place two positions or two opposite pending orders. When one of them gets activated by price movements, the other position is automatically cancelled.
Trading foreign exchange on margin carries a high level of risk and may not be suitable for all investors. The high degree of leverage can work against you as well as for you. Before deciding to trade foreign exchange you should carefully consider your investment objectives, level of experience and risk appetite. The possibility exists that you could sustain a loss of some or all of your initial investment and therefore you should not invest money that you cannot afford to lose. You should be aware of all the risks associated with foreign exchange trading and seek advice from an independent financial advisor if you have any doubts.