Forex, otherwise called foreign exchange, FX or currency trading, is a decentralized worldwide market where all the world's monetary standards exchange. The forex market is the biggest, most fluid market on the planet with a normal day by day trading volume surpassing $5 trillion. All the world's consolidated financial exchanges don't approach this.
In the event that you've at any point voyage abroad, you've made a forex exchange. Travel to France and you convert your pounds into euros. When you do this, the forex exchange rate between the two monetary standards—in light of free-market activity—decides what number of euros you get for your pounds. Also, the exchange rate changes consistently.