AUD/USD China Commodity Demand Signal
The Australian dollar is the G10 currency most directly linked to Chinese economic activity.
Australia exports 35%+ of its goods to China, primarily iron ore (AUD $120B+ annually), coal, and liquefied natural gas.
Iron ore alone represents ~60% of Australian export earnings, creating a structural correlation between AUD/USD and iron ore spot prices (correlation:
0.75 over rolling 12-month periods).
The transmission mechanism:
Chinese PMI manufacturing → iron ore demand → iron ore price → AUD/USD.
When China's official NBS PMI falls below 50 for 2+ consecutive months, AUD/USD historically declines 4–7% within the following quarter.
Conversely, Chinese stimulus announcements (infrastructure spending, property support) reliably rally AUD/USD within days.
This makes China's monthly PMI releases and National Development and Reform Commission infrastructure approvals the most important leading indicators for AUD/USD positioning.
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