What changes between XAU/USD and EUR/USD?
Both symbols end in USD. The unit being priced and the contract size determine what a move means.
Read articleField notes on reading the markets, with worked examples you can check yourself.

Both symbols end in USD. The unit being priced and the contract size determine what a move means.
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Turn the gap between two quoted prices into an amount that makes sense for the size of your position.
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