You never trade a single currency in isolation. A forex quote expresses the value of one currency relative to another. That relationship is written as a pair, such as EUR/USD, and every decision involves being long one side while short the other.
Base and quote currency
In EUR/USD, EUR is the base currency and USD is the quote currency. If the pair is quoted at 1.1000, one euro is valued at 1.10 US dollars. When the price rises, the base currency is strengthening relative to the quote currency; when it falls, it is weakening.
Majors, minors, and exotics
Reading buy and sell directions
Buying a pair means expecting the base currency to strengthen against the quote. Selling means expecting it to weaken. The platform also displays bid and ask prices; the difference is the spread, one of the costs of trading.
Why pair choice affects risk
Pairs differ in volatility, liquidity, trading costs, and sensitivity to economic events. Exotic pairs can move sharply and cost more to enter or exit. Correlated pairs may also create duplicate exposure that is easy to miss.
Where a beginner can begin
Start by observing one liquid major pair. Learn its normal spread and behavior during the session you can trade. The guide on starting with one currency pair explains why EUR/USD is a common study candidate without presenting it as a guaranteed best choice.
Frequently asked questions
What is a currency pair in forex?
A currency pair is a quote showing the value of one currency, the base, relative to another, the quote currency.
What are the major forex pairs?
Major pairs combine the US dollar with another widely traded currency. Exact classifications can vary, but EUR/USD, USD/JPY, GBP/USD, and USD/CHF are common examples.