FOREX means foreign exchange. The FOREX market is the global inter-bank market where all currencies are traded. To exchange two currencies one should sell one currency and buy the corresponding amount of another.

Price movements on the FOREX market are very smooth and without gaps. The daily turnover on the FOREX market is about $1.2 trillion, so investor can enter and exit position without problems. The fact is that the FOREX market never stops, even on the day of September-11, 2001 you could obtain two-side quotes on currencies.