Currency Trading Pairs

There are 4 major currency pairs in the world:

EUR/USD (euro/dollar)
USD/JPY (dollar/Japanese yen)
GBP/USD (British pound/dollar)
USD/CHF (dollar/Swiss franc)

There are 3 commodity pairs:

AUD/USD (Australian dollar/dollar)
USD/CAD (dollar/Canadian dollar)
NZD/USD (New Zealand dollar/dollar)

Together, the above account for over 95% of all FX trading.