Index of Commodity Prices September 2021

Preliminary estimates for September indicate that the index decreased by 7.0 per cent (on a monthly average basis) in SDR terms, after decreasing by 4.3 per cent in August (revised). The rural and base metals sub-indices increased in the month, while the non-rural sub-index decreased. In Australian dollar terms, the index decreased by 7.2 per cent in September.

Over the past year, the index has increased by 37.4 per cent in SDR terms, led by higher LNG, coking coal and thermal coal prices. The index has increased by 36.7 per cent in Australian dollar terms.

Consistent with previous releases, preliminary estimates for iron ore, coking coal, thermal coal and LNG export prices are being used for the most recent months, based on market information. Using spot prices for the bulk commodities, the index decreased by 3.2 per cent in September in SDR terms, to be 40.6 per cent higher over the past year.

For further details regarding the construction of the index, please refer to ‘Changes to the RBA Index of Commodity Prices: 2013’ in the March 2013 issue of the Bulletin and ‘Weights for the Index of Commodity Prices’ (April 2021).

Details are in the attached table and graph.

Graph: RBA Index of Commodity Prices