Home / Course / Module 2 / Currency Pairs Explained: Base, Quote, Majors and Crosses
Module 2 · Lesson 2 of 7Every forex price is a pair, such as EURUSD or GBPJPY. Once you can read a pair properly, quotes, charts and trade directions all become clear.
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A currency pair has two parts. The first currency is the base currency and the second is the quote currency (also called the counter currency). The quoted number tells you how much of the quote currency you need to buy one unit of the base.
Each currency has a three letter code: USD (US dollar), EUR (euro), GBP (British pound), JPY (Japanese yen), CHF (Swiss franc), AUD (Australian dollar), CAD (Canadian dollar), NZD (New Zealand dollar).
GBPUSD is quoted at 1.3000.
The base currency is always '1'. The price is how much quote currency that 1 unit costs. A rising pair means the base is strengthening against the quote.
When you buy a pair, you are buying the base currency and selling the quote currency at the same time. You profit if the base gains value against the quote. When you sell a pair, you do the reverse.
Buying EURUSD is a view that the euro will rise against the dollar. Selling EURUSD is a view that the euro will fall against the dollar, which is the same thing as the dollar rising against the euro. You can never say a currency is 'strong' or 'weak' without saying against what.
This is why a headline such as 'the dollar is falling' can show up as rising EURUSD (dollar is the quote) and falling USDJPY (dollar is the base). Learn to check which side the dollar sits on before reading a chart.
| Pair | Dollar is the... | Weaker dollar usually shows as... |
|---|---|---|
| EURUSD | Quote | Pair rising |
| GBPUSD | Quote | Pair rising |
| USDJPY | Base | Pair falling |
| USDCHF | Base | Pair falling |
| XAUUSD (gold) | Quote | Pair often rising, but not always |
Pairs are grouped by how widely they are traded.
As a beginner, the typical reason to stay with majors is practical: tighter costs and smoother pricing. That is a point about cost, not a recommendation to trade any specific pair.
The conventional order of codes in a pair (EURUSD, not USDEUR) follows market habit, so just learn the common ones as written.
Cross rates can be derived from dollar pairs. Dealers do this all the time, and it explains why pairs often move together.
Suppose EURUSD = 1.1000 (1 euro = 1.10 dollars) and GBPUSD = 1.3000 (1 pound = 1.30 dollars).
Check by doing it the other way: 1 pound is $1.30, which buys 1.30 / 1.10 = 1.1818 euros, and 1 / 1.1818 = 0.8462. The two routes agree.
This is also why a falling dollar tends to lift both EURUSD and GBPUSD together, and why a trader who buys both is often holding one big dollar view twice. Overlapping positions are a hidden form of risk.
Every pair shows two prices. The bid is what the market will pay you if you sell. The ask (or offer) is what you pay if you buy. The ask is always slightly higher, and the difference is the spread, covered in Pips, Lots and Spreads.
Most pairs are quoted to four or five decimal places (EURUSD 1.10005). Yen pairs are quoted to two or three (USDJPY 150.250), because one yen is worth much less than one dollar or euro. You will see how that changes pip size in the next lesson.
Gold follows the same quoting logic, with the dollar as the quote currency, as explained in Gold Trading for Beginners.
New traders open a position in the wrong direction because they misread which currency is the base. Always say it out loud: 'I am buying the base and selling the quote.'
Fluent quote reading saves costly errors. Work through these hypothetical cases, then check the answers.
Notice that a single event, such as a stronger Canadian dollar, can show as a falling line on one pair and a rising line on another. Charts only make sense once you know which currency is the base.
Before every trade, write a one line description: 'I am buying [base] and selling [quote] because I think [base] will gain.' If you cannot fill that in, you are not ready to place the order.
It is market convention that has become standard. The order is fixed by habit, so you simply learn the common pairs as they are written.
They are not bad, but they are costlier and more volatile, which makes risk harder to control. Beginners usually learn on majors first because costs are lower.
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