Currency crosses
Trading pairs without the US dollar
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A major pair always has the dollar on one side. A cross has no dollar at all — which lets two other economies fight it out directly, without the dollar getting in the way.
AI Mentor here. 🔗 EUR/USD, USD/JPY, GBP/USD — every "major" runs through the dollar, which means every major is partly a bet on the dollar whether you wanted one or not. A cross is a pair without it: EUR/GBP, EUR/JPY, GBP/JPY.
A cross is built from two majors
Historically, to get EUR/GBP you combined EUR/USD and GBP/USD. The dollar legs cancel out and you are left with the euro priced in pounds.
Today platforms quote crosses directly, so you never see the arithmetic. But under the hood a cross is still two dollar pairs triangulated together — which turns out to matter more than it sounds.
Why trade crosses?
Crosses give you cleaner exposure and more opportunities, and they charge you for both.
Isolate a view — trade the euro against the pound without dollar noise. Interest-rate plays — crosses like AUD/JPY are classic carry trades. More volatility — yen crosses such as GBP/JPY can move fast enough to have earned the nickname "the beast". Wider spreads — less liquid crosses cost more to trade.
The first point is the real appeal. If you have a genuine view that the euro is stronger than the pound, EUR/USD expresses it contaminated by whatever the dollar is doing that week. EUR/GBP expresses just the view.
Watch the hidden dollar
And now the catch that catches people. Even a "dollar-free" cross is influenced by the dollar behind the scenes, because both of its currencies also trade against it.
A big dollar move pushes both legs at once. Usually the effects partly offset — that is why the cross is cleaner — but they rarely offset perfectly, and on a violent dollar day they can jostle the cross in ways that have nothing to do with your euro-versus-pound thesis.
The dollar cancels in the maths, not in reality. It still nudges both sides of a cross.
Wider spreads on the less liquid crosses eat a bigger share of every trade, and they widen further exactly when the market moves fast. A strategy that works on EUR/USD does not automatically survive being moved to a thin cross.
When your view is genuinely about the two currencies in it. If your actual opinion is "the dollar is going to fall", a major expresses that more honestly and more cheaply.
Purer views and bigger moves, paid for in spread and volatility. Pick the pair that matches the opinion you actually hold. 🔌