Base Currency

The first currency listed in a forex pair — the currency being bought or sold, whose value is expressed in terms of the quote currency.

In any currency pair, the base currency is the reference unit. When you look at a price for EUR/USD, the EUR is the base currency. A price of 1.08 means one euro buys $1.08. If the price rises to 1.10, the euro has strengthened; if it falls to 1.06, it has weakened against the dollar.

When you place a trade, your decision is about the base currency: buying EUR/USD means you're going long euros (betting they'll rise against the dollar); selling EUR/USD means you're going short euros. The direction of the trade always references the base.

For most major pairs, the convention is standardized. The euro (EUR) is almost always the base when paired with any other major currency. The US dollar is the quote currency in EUR/USD, GBP/USD, AUD/USD, and NZD/USD, but the base currency in USD/JPY, USD/CHF, and USD/CAD. These conventions developed through interbank market practice and are now fixed across all platforms.

This definition is for informational and educational purposes only. Nothing on Finance Compass constitutes financial, investment, or trading advice. Always conduct your own research and consult a qualified professional before making financial decisions.