Yesterday evening, the RBA released its commodity price index for September, which registered a large 1.4% fall in Aussie dollar terms and larger a 2.4% decline in SDR (currency weighted) terms:
Preliminary estimates for September indicate that the index declined by 2.4 per cent (on a monthly average basis) in SDR terms, after rising by 0.2 per cent in August (revised). The largest contributor to the decline in September was the price of iron ore. The base metals and rural commodities subindices declined during the month. In Australian dollar terms, the index declined by 1.4 per cent in September.