Currencies Are Traded in Pairs

Forex trading is buying one currency and selling another through a broker or dealer, and are traded in pairs
Major Currency Pairs

The currency pairs listed below are considered the "majors". These pairs all contain the U.S. dollar (USD) on one side and are the most frequently traded. The majors are the most liquid and widely traded currency pairs in the world.
Pair Countries FX Geek Speak
EUR/USD Euro zone / United States "euro dollar"
USD/JPY United States / Japan "dollar yen"
GBP/USD United Kindom / United States "pound dollar"
USD/CHF United States/ Switzerland "dollar swissy"
USD/CAD United States / Canada "dollar loonie"
AUD/USD Australia / United States "aussie dollar"
NZD/USD New Zealand / United States "kiwi dollar"