Major Currency Pairs: How to Read and Trade Them

Every forex quote is a comparison between two currencies. Once that idea is properly in place, the rest of the notation stops being confusing and the arithmetic becomes simple.

This guide covers how a pair is quoted, which pairs count as majors and why, how to read a quote and turn a price move into money, and what typically drives each of the main pairs. It does not recommend pairs or forecast where any of them are going. What it does is explain what makes a pair liquid and cheap to trade, so you can judge that for yourself.

The mechanics of leveraged trading are covered separately.

How a currency pair is quoted

A pair is written as two currency codes, for example AUD/USD.

• The base currency comes first. It is the unit being priced.

• The quote currency comes second. It is what the base is priced in.

The number attached tells you how much of the quote currency one unit of the base currency costs.

If AUD/USD shows 0.6500, one Australian dollar costs 0.65 US dollars. If the number rises to 0.6600, the Australian dollar has strengthened against the US dollar. If it falls to 0.6400, the Australian dollar has weakened, or the US dollar has strengthened, or both to some degree.

That last point is the one worth sitting with. A move in a pair never tells you which side caused it. AUD/USD falling could mean Australian data disappointed, or that the US dollar rallied against everything, or that both happened at once. Reading a single pair in isolation tells you the result without the reason.

Buying and selling in a pair

Every position is simultaneously long one currency and short the other.

• Buying AUD/USD means going long the Australian dollar and short the US dollar. You gain if the AUD strengthens relative to the USD.

• Selling AUD/USD means going short the Australian dollar and long the US dollar. You gain if the AUD weakens relative to the USD.

There is no structural difference between the two directions in forex, unlike in equities. Every trade is a purchase of one currency funded by a sale of another, so selling is as ordinary as buying.

Which pairs are the majors

There is no committee that certifies the list, but market convention is consistent. The majors are the most heavily traded pairs, and every one of them includes the US dollar on one side.

Some definitions count only the first four and treat AUD, CAD and NZD pairs as commodity currencies in a separate group. The distinction matters little in practice, since all seven trade with deep liquidity and tight pricing.

Minors and exotics

Minor pairs, also called crosses, pair two major currencies without the US dollar. EUR/GBP, EUR/JPY and AUD/JPY are examples. They trade well, though spreads are typically wider than the majors because liquidity is thinner and the pricing is often derived from two underlying major quotes.

Exotic pairs pair a major currency with a smaller or less liquid economy's currency. Spreads are considerably wider, quotes can gap, and liquidity can vanish during regional events. They are not a beginner instrument, and the cost of trading them is the reason rather than any judgement about the countries involved.

Why the majors carry the tightest spreads

Spread width is a function of liquidity, and liquidity in the majors comes from several sources at once.

• Volume. The majors account for the overwhelming share of daily foreign exchange turnover. Enormous, continuous two-way flow means a buyer and a seller are always available.

• Competition between market makers. Many institutions quote these pairs simultaneously. Competing quotes compress the gap between bid and ask.

• Continuous coverage across sessions. Because the US dollar is on one side of every major, there is meaningful activity in these pairs through the Asian, European and North American sessions rather than in one regional window.

• Depth at each price. Large orders can be filled without moving the price far, which reduces slippage as well as spread.

The practical result: on a major pair during active hours, the difference between the bid and the ask is a small fraction of a typical daily range. On an exotic pair, the spread alone can consume a meaningful portion of what the pair might move in a day.

This is a cost argument, not a quality argument. A tight spread does not make a pair likely to move in your favour. It makes each attempt cheaper, which matters most when you trade frequently and matters least when you hold for weeks.

Reading a quote and calculating a pip

The two prices

Every pair shows two numbers.

• The bid is where you can sell.

• The ask is where you can buy.

• The gap between them is the spread, and you pay it the moment you open.

A quote of 0.65012 / 0.65022 means you sell at 0.65012, buy at 0.65022, and the spread is one pip.

What a pip is

A pip is the standard increment of movement in a pair.

• For most pairs, a pip is the fourth decimal place: 0.0001.

• For pairs quoted against the Japanese yen, a pip is the second decimal place: 0.01.

Many brokers quote an additional decimal, called a pipette or a fractional pip. A price shown as 0.65012 has the pip at the fourth place and the pipette at the fifth. Spreads are often advertised in pipettes, which is worth remembering when comparing a spread of "8" against one of "0.8".

Turning a pip into money

The calculation has two steps. It looks fiddly written out and becomes automatic after a few repetitions.

Step one: the pip value in the quote currency.

Multiply your position size by one pip.

• One standard lot is 100,000 units of the base currency.

• 100,000 × 0.0001 = 10 units of the quote currency per pip.

Step two: convert to your account currency if it differs.

Worked example, EUR/USD, account in USD. One standard lot, 100,000 euros. A pip is 0.0001. 100,000 × 0.0001 = US$10 per pip. The quote currency is already USD, so no conversion is needed. A 25 pip move is US$250.

Worked example, AUD/USD, account in AUD. One standard lot, 100,000 Australian dollars. A pip is 0.0001. 100,000 × 0.0001 = US$10 per pip. Your account is in AUD, so convert at the current rate. At 0.6500, US$10 ÷ 0.6500 = A$15.38 per pip. A 25 pip move is about A$385.

Worked example, USD/JPY, account in USD. One standard lot, 100,000 US dollars. A pip here is 0.01. 100,000 × 0.01 = ¥1,000 per pip. Convert to USD at the current rate. At 150.00, ¥1,000 ÷ 150 = US$6.67 per pip. A 25 pip move is about US$167.

Note that the USD/JPY pip value moves as the exchange rate moves, which is true of any pair where the quote currency is not your account currency. It shifts slowly enough not to matter within a single trade and enough to matter across months.

Scaling by position size

Working from the pip value up is how position sizing is done in practice. Decide the maximum you are prepared to lose, decide where your stop belongs on the chart, measure that distance in pips, then choose the position size that makes those two numbers agree.

What typically drives the main pairs

Currencies are priced primarily on relative interest rates and relative economic performance. The list below describes the influences that usually matter for each pair, not a prediction about any of them.

EUR/USD. The most traded pair in the world. Driven by the interest rate differential between the euro area and the United States, and by relative growth and inflation data on each side. Because of its volume, it often behaves as the cleanest expression of general US dollar strength or weakness.

USD/JPY. Historically the most sensitive major to interest rate differentials, particularly between US and Japanese government bond yields. The yen has also carried a defensive reputation, tending to strengthen during periods of market stress, though this behaviour has varied with the rate environment.

GBP/USD. Responds to UK growth, inflation and central bank expectations against the same US inputs. Tends to show larger intraday ranges than EUR/USD, which means the same lot size produces a different experience.

USD/CHF. The Swiss franc carries a long-standing defensive role. The pair often moves inversely to EUR/USD, given the close economic linkage between Switzerland and the euro area.

AUD/USD. Sensitive to Australian interest rate expectations, to commodity prices given Australia's export profile, and to Chinese economic data because of the trade relationship. Also tends to behave as a risk-sensitive currency, firming when global sentiment improves and weakening when it deteriorates.

USD/CAD. The Canadian dollar has a close relationship with crude oil prices given Canada's energy exports, alongside the interest rate differential with the United States. The two North American economies also share a data cycle, so US releases move this pair from both directions at once.

NZD/USD. Similar drivers to AUD/USD, with dairy and agricultural export prices playing the role that mining commodities play for Australia. Lower liquidity than the Aussie means slightly wider spreads and sharper reactions.

When each pair is most active

A pair is most liquid when the sessions covering both its currencies are open.

• Asian session. AUD, NZD and JPY pairs are at their most active. AUD/USD and NZD/USD see local data releases in this window.

• European session. EUR, GBP and CHF pairs come alive. The London open brings a step change in volume across all majors.

• London and New York overlap. The deepest liquidity of the day across every major, and the window in which most US data lands. Spreads are tightest here and volatility is highest.

• Late New York. Liquidity fades, spreads widen, and the daily rollover applies overnight financing.

Australian traders should note the practical consequence: the pairs most relevant to local news are active during Australian business hours, while the deepest liquidity across all majors arrives late in the local evening. Which of those suits you depends on your schedule rather than on which pairs are best.

Frequently asked questions

How many major currency pairs are there?

Convention gives seven, all of which include the US dollar. Some definitions restrict the term to four and classify AUD, CAD and NZD pairs separately as commodity currencies. There is no official list, and the distinction has little practical effect since all seven trade with deep liquidity.

Why is the US dollar in every major pair?

Because it dominates global foreign exchange turnover, is the primary reserve currency, and sits on one side of the majority of currency transactions worldwide. Pairs that exclude it are classified as crosses.

What is the difference between a pip and a pipette?

A pip is the standard increment, the fourth decimal for most pairs and the second for yen pairs. A pipette is one tenth of a pip, shown as an extra decimal place on most modern platforms. Brokers frequently advertise spreads in pipettes, so check which unit a quoted spread uses before comparing.

Which major pair is best for beginners?

This guide will not name one, because the honest answer depends on your schedule and what you follow. The useful criteria are cost and liquidity, which favour the highest-volume pairs, and whether the pair is active during the hours you can actually trade. Choose one, learn how it behaves through a full cycle of data releases and quiet periods, then decide whether to add another.

Why do spreads widen on my platform at certain times?

Because liquidity providers reduce or withdraw quotes when uncertainty rises. This happens in the seconds around scheduled data releases and during the thin hours between the New York close and the Asian open. Fewer quotes means a wider gap between bid and ask.

Do currency pairs move in relation to each other?

Yes. Pairs sharing a currency tend to correlate, since a broad move in the US dollar affects every major simultaneously. This is why holding several major positions at once can produce more concentrated exposure than the number of trades suggests. Two positions that both express US dollar weakness are closer to one large position than to two independent ones.

What are pip values on a mini or micro lot?

They scale directly with position size. A mini lot is a tenth of a standard lot and produces a tenth of the pip value. A micro lot is a hundredth and produces a hundredth. The calculation method is identical at every size.

What does base currency mean on my trading account?

Your account base currency is the currency your balance is denominated in, which is separate from the base currency of any pair you trade. When a pair's quote currency differs from your account currency, profits and losses are converted, and the conversion rate applies at the time of the trade.

You can see live spreads across the major pairs at www.axonmarkets.com.

Risk warning: CFDs are leveraged products and carry a high level of risk. Losses can exceed the margin committed to a position and can consume your entire account balance. CFDs are not suitable for all investors. Make sure you understand how these products work and whether you can afford the risk of losing your money. This article is educational information only. It is not investment advice, a recommendation, or an offer to trade, and it does not take account of your objectives, financial situation or needs.

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