A Pair Is Always Two Currencies
You never buy or sell a currency on its own — you're always trading one against another. In EUR/USD, EUR is the base currency and USD is the quote currency. A price of 1.0850 means 1 euro buys 1.0850 US dollars. Go long the pair and you're betting the euro strengthens against the dollar; go short and you're betting the opposite.
Major Pairs
The seven "majors" all pair a currency against the US dollar, and together they make up the large majority of daily forex trading volume:
- EUR/USD, GBP/USD, USD/JPY, USD/CHF, USD/CAD, AUD/USD, NZD/USD
Majors have the tightest spreads and the deepest liquidity of any pairs traded — there's always a buyer and a seller close to the current price, so the cost of entering and exiting a trade is lowest here. This is why almost every beginner is told to start with majors.
Minor Pairs (Crosses)
Minors — also called "cross" pairs — trade two major currencies against each other with no US dollar involved at all, for example EUR/GBP or AUD/NZD. Liquidity is still solid since both currencies are major ones individually, but spreads are typically a little wider than the equivalent USD pair since there are fewer market makers actively quoting each specific cross.
Exotic Pairs
An exotic pairs a major currency against an emerging-market or lower-volume currency — think USD/TRY (Turkish lira), USD/ZAR (South African rand), or USD/MXN (Mexican peso). Exotics can move sharply on local political or economic news, and spreads are often several times wider than a major — sometimes wide enough on their own to wipe out a well-planned trade before it even moves in your favor.
Quick Comparison
| Group | Example | Typical Spread | Liquidity |
|---|---|---|---|
| Major | EUR/USD | Tightest | Highest |
| Minor / Cross | AUD/NZD | Moderate | Good |
| Exotic | USD/TRY | Widest | Lowest |