This is the opportunity to buy or sell any tool (currency share, etc.) at any time, whilst its transaction virtually no change its current rate (see). Moreover, more liquid than the market, the less each individual trader's transaction affects the total price, quote (see). The currency market has the highest liquidity. A number of traders around the world trade in it, there are always those who want to sell some currency and there are those who are prepared to buy it at this very moment. That is why the broker has the ability to instantly approve your request to make a deal to buy or sell from your terminal (see).
Trading in financial markets involves substantial risks, including complete possible loss of investment capital. This activity is not suitable for all investors. High leverage increases the risk (Risk Disclosure).