evidenceobservational
Major forex pairs conventionally include seven USD-based pairs.
90% confidence
Retail trading education and most platforms define the majors as EUR/USD, USD/JPY, GBP/USD, USD/CHF, AUD/USD, USD/CAD, and NZD/USD. This convention reflects the US dollar's role as the world's primary reserve and vehicle currency. Institutional turnover data shows USD/CNY also ranks very highly, but the classic seven remain the standard reference for retail traders.
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