An investor can profit from the difference between two interest rates in two different economies by buying the currency with the higher interest rate and shorting the currency with the lower interest rate. Prior to the 2008 financial crisis, it was very common to short the Japanese yen (JPY) and buy British pounds (GBP) because the interest rate differential was very large. This strategy is sometimes referred to as a "carry trade."
Live Spreads Widget: Dynamic live spreads are available on Active Trader commission-based accounts. When static spreads are displayed, the figures are time-weighted averages derived from tradable prices at FXCM from April 1, 2019 to June 30, 2019. Spreads are variable and are subject to delay. The spread figures are for informational purposes only. FXCM is not liable for errors, omissions or delays, or for actions relying on this information.
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^ The total sum is 200% because each currency trade always involves a currency pair; one currency is sold (e.g. US$) and another bought (€). Therefore each trade is counted twice, once under the sold currency ($) and once under the bought currency (€). The percentages above are the percent of trades involving that currency regardless of whether it is bought or sold, e.g. the U.S. Dollar is bought or sold in 88% of all trades, whereas the Euro is bought or sold 32% of the time.
In the context of the foreign exchange market, traders liquidate their positions in various currencies to take up positions in safe-haven currencies, such as the US dollar.[85] Sometimes, the choice of a safe haven currency is more of a choice based on prevailing sentiments rather than one of economic statistics. An example would be the financial crisis of 2008. The value of equities across the world fell while the US dollar strengthened (see Fig.1). This happened despite the strong focus of the crisis in the US.[86]
Every broker offers a demo account – whether you are a beginner or not, test every new strategy there first. Keep going until the results are conclusive and you are confident in what you are testing. Only then should you open a live account and use your strategy in the smallest volume trades available. Be sure to treat your demo account trades as if they were real trades. You may also use Forex simulation software to simulate market conditions, and create an impression of a live trading session.

Unlike stock markets, which can trace their roots back centuries, the forex market as we understand it today is a truly new market. Of course, in its most basic sense - that of people converting one currency to another for financial advantage - forex has been around since nations began minting currencies. But the modern forex markets are a modern invention. After the accord at Bretton Woods in 1971, more major currencies were allowed to float freely against one another. The values of individual currencies vary, which has given rise to the need for foreign exchange services and trading.