Forex
The Foreign Exchange market (FOREX or FX) is the most liquid financial market in the world. It includes trading of currencies between banks, speculators, corporations, governments and individuals. Every individual may experienced buying a foreign currency when traveling to a different country (unless it is within the European union).
What is the gamble in FOREX?
Speculators gamble on currency exchange rates changes and interest rates to make profits.
Import and Export companies can protect losses due to changes in currency by Hedging.
With online tools and market market makes, anyone can trade currencies.