Published on: 2023-09-11
Updated on: 2026-06-25
Currency pairs are the foundation of Forex trading. Every trade in the foreign exchange market compares the value of one currency with another, which means traders are never buying or selling a currency in isolation.
That relationship is the trading basis. When EUR/USD rises, the euro gains against the US dollar. When USD/JPY falls, the dollar is weakening against the yen. Once traders understand how currency pairs are structured, quoted, and influenced, forex prices become much easier to read.
Currency pairs show how much of one currency is needed to buy another.
The first currency is the base currency, while the second is the quote currency.
Major pairs usually offer deeper liquidity and tighter spreads.
Cross-currency pairs exclude the US dollar and can reflect regional policy gaps.
Exotic pairs may move sharply, but they often carry wider spreads and higher risk.
Traders should compare volatility, liquidity, spreads, and macro drivers before choosing a pair.
A currency pair is written as two currency codes, such as EUR/USD, GBP/USD, AUD/USD, USD/JPY, or USD/CHF. The first currency is called the base currency. The second currency is called the quote currency.
The exchange rate tells traders how much of the quote currency is needed to buy one unit of the base currency. For example, if EUR/USD trades at 1.0900, one euro is worth 1.0900 US dollars. If EUR/USD rises to 1.1000, the euro has strengthened against the dollar. If it falls to 1.0800, the euro has weakened against the dollar.
This is why direction matters. A trader who buys EUR/USD expects the euro to rise against the dollar. A trader who sells EUR/USD expects the euro to fall against the dollar. The same logic applies to every pair, but the interpretation changes depending on which currency comes first.
For USD/JPY, a move from 150.00 to 152.00 means the US dollar has strengthened against the Japanese yen. A move from 152.00 to 150.00 means the dollar has weakened, or the yen has strengthened.
Forex prices usually move in pips. For most major currency pairs, one pip is the fourth decimal place. If EUR/USD moves from 1.0900 to 1.0910, it has moved 10 pips.
For yen pairs, one pip is usually the second decimal place. If USD/JPY moves from 150.00 to 150.20, it has moved 20 pips.
Traders also need to understand the bid and ask prices. The bid is the price at which a trader can sell. The ask is the price at which a trader can buy. The difference between them is the spread.
Major currency pairs usually have tighter spreads because there are more buyers and sellers. Exotic currency pairs usually have wider spreads because liquidity is thinner. A wider spread means the trade starts with a higher cost, even before the market moves.
Currency pairs are usually grouped into major pairs, cross-currency pairs, and exotic pairs. This structure helps traders understand liquidity, volatility, and the main drivers behind price movement.
The original distinction between direct currency pairs and cross-currency pairs remains useful, but the broader market convention is easier for most traders to apply.
Major currency pairs include the US dollar and another highly traded currency. Common examples include:
EUR/USD
GBP/USD
USD/JPY
USD/CHF
USD/CAD
AUD/USD
NZD/USD
These are the most widely followed forex pairs. They usually offer better liquidity, tighter spreads, and more consistent market depth than less traded pairs.
EUR/USD is often watched as a benchmark for the eurozone and US policy outlook. GBP/USD tends to react strongly to UK inflation and wage data, as well as Bank of England expectations. USD/JPY is highly sensitive to the gap between US and Japanese interest rates.
In June 2026, the Federal Reserve held the federal funds target range at 3.50% to 3.75%, while the Bank of Japan guided the overnight call rate around 1.0%. That interest-rate gap remains an important driver of USD/JPY moves around US inflation data, Japanese policy signals, and changes in bond yields.
Cross-currency pairs, often called crosses, do not include the US dollar. Examples include EUR/JPY, EUR/GBP, EUR/CHF, GBP/JPY, AUD/JPY, and NZD/JPY.
Crosses are useful when traders want to focus on two economies without taking a direct US dollar view. EUR/GBP, for example, reflects the relative outlook between the eurozone and the UK. GBP/JPY often moves more aggressively because it combines sterling volatility with yen sensitivity to global rates and risk sentiment.
The European Central Bank raised its deposit facility rate to 2.25% in June 2026, while the Bank of England held the Bank Rate at 3.75%. That gap helps explain why EUR/GBP can react quickly to inflation surprises, wage data, and central bank language from either side.
Exotic pairs combine a major currency with a less liquid or emerging-market currency. Examples include USD/MXN, USD/ZAR, USD/TRY, USD/THB, and EUR/TRY.
These pairs can produce large moves, but they also carry higher trading costs and sharper event risk. Local politics, central bank intervention, commodity prices, capital controls, and sovereign-risk concerns can all affect exotic pairs.
For beginners, exotics are usually harder to manage because price gaps and spreads can expand quickly during market stress.
Currency pairs move because traders constantly reassess the relative value of two economies. The most important drivers include interest rates, inflation, growth data, political risk, commodity prices, and market sentiment.
Interest rates are often the first driver that traders watch. A currency can strengthen when investors expect its central bank to keep rates higher for longer. Inflation data matters because it can change expectations for future rate decisions. Employment and retail sales data show whether an economy is strong enough to support tighter policy.
Commodity prices also matter for specific currencies. The Canadian dollar often reacts to oil because Canada is a major energy exporter. The Australian dollar can respond to demand for metals and to China-related growth sentiment. The Swiss franc and Japanese yen may attract defensive flows when markets become more cautious.
The best currency pair is not always the one moving the most. It is the pair where the trader understands the driver, the cost, and the risk.
Beginners often start with major currency pairs because they are liquid and easier to research. EUR/USD is widely followed and usually has tight spreads. USD/JPY is useful for traders watching bond yields and central bank divergence. GBP/USD can offer strong movement, but it often reacts sharply to UK data.
Crosses are better suited to traders with a specific regional view. EUR/GBP may suit traders comparing eurozone and UK policy. AUD/JPY may suit traders watching risk appetite. GBP/JPY can offer an opportunity, but its volatility means position size must be controlled carefully.
Before entering any trade, traders should ask three simple questions:
Which currency is expected to strengthen?
What data or event could change the view?
Where is the trade idea wrong?
Currency pairs explain how the forex market works. Each pair compares one currency with another, using the first currency as the base and the second as the quote. Once that structure is clear, traders can read exchange rates with more confidence.
The next step is understanding why pairs move. Major pairs usually reflect US dollar trends, central bank expectations, and global liquidity. Cross-currency pairs show relative strength between two non-dollar economies. Exotic pairs can offer larger movement, but they require more caution.
A strong trading basis starts with simple questions: which pair is being traded, which currency is driving the move, how liquid is the market, and what would prove the trade wrong? Traders who answer those questions before entering a position have a clearer framework for navigating the forex market.
Disclaimer: This material is for general information purposes only and is not intended as (and should not be considered to be) financial, investment or other advice on which reliance should be placed. No opinion given in the material constitutes a recommendation by EBC or the author that any particular investment, security, transaction or investment strategy is suitable for any specific person.
