Proposal to launch Indonesia, Vietnam, India inferred indices for alumina index, fob Australia

Fastmarkets proposes to launch FOB Indonesia, Vietnam and India inferred indices for its Australian alumina index.

The launch of the inferred indices will allow Fastmarkets to bring additional transparency to the global alumina market and will complement the existing price offering.

The growing importance of Indonesia-, Vietnam- and India-origin alumina in the international market is creating industry demand for more detailed pricing information for markets ex-Australia.

In-house netback rates will be applied only to the existing MB-ALU-0002 alumina index, fob Australia and will be available as inferred indices on the Fastmarkets platform.

Data relating to trades outside the fob Bunbury, Australia, base specification is currently normalized using models developed in-house and based on regression analysis of the collected data points from the previous month and updated on the first working day of each month. The same method will be applied for the proposed inferred indices.

An inferred number is a calculation using existing Fastmarkets prices. The new inferred indices will take the daily alumina index, fob Australia, and add the relevant assessed netback rate.

Subject to industry feedback, Fastmarkets may publish the netbacks as a standalone percentage rate on the Fastmarkets platform.

Fastmarkets will update the netback rates on the first working day of the month. The inferred indicies will be published daily following the publication of Fastmarkets’ alumina index, fob Australia.

The proposed price specifications are:

Alumina index inferred, fob Indonesia, $/tonne
Quality: Smelter grade alumina, minimum purity of 98.5% AI2O3
Location: fob Indonesia
Unit: USD per tonne
Publication: Daily at 4-5pm UK time

Alumina index inferred, fob India, $/tonne
Quality: Smelter grade alumina, minimum purity of 98.5% AI2O3
Location: fob India
Unit: USD per tonne
Publication: Daily at 4-5pm UK time

Alumina index inferred, fob Vietnam, $/tonne
Quality: Smelter grade alumina, minimum purity of 98.5% AI2O3
Location: fob Vietnam
Unit: USD per tonne
Publication: Daily at 4-5pm UK time

The consultation period for this proposed launch starts on Tuesday July 16 and will end on August 13.

The launch will take place, subject to market feedback, on September 2.

These prices will be part of the Fastmarkets base metals package.

To provide feedback on this consultation, or if you would like to provide price information by becoming a data submitter to this market, please contact Laura Roberts by email at pricing@fastmarkets.com. Please add the subject heading “FAO Laura Roberts re: published netback consultation.”

Please indicate if comments are confidential. Fastmarkets will consider all comments received and will make comments not marked as confidential available upon request.

To see all of Fastmarkets’ pricing methodology and specification documents, go to: https://www.fastmarkets.com/methodology/.

What to read next
The rationale for MB-IRO-0009 iron ore 65% Fe Brazil-origin fines, cfr Qingdao index on Friday August 8 had erroneously omitted the judgment for carry-over step. The rationale entry has been corrected as follows: Fastmarkets’ index for iron ore 65% Fe Brazil-origin fines, CFR Qingdao fell by $0.08 per tonne from the previous day. The price movement was […]
Fastmarkets has corrected its AG-CH-0054 Hides, branded cows, northern, $/piece, AG-CH-0056 Hides, branded cows, southwestern, $/piece, AG-CH-0050 Hides, heavy native cows, northern, $/piece, and AG-CH-0052 Hides, heavy native cows, southwestern, $/piece, which were published incorrectly on August 8, 2025. Fastmarkets has corrected the following prices: Fastmarkets’ pricing database has been updated to reflect this change. […]
Fastmarkets has corrected its US biodiesel SME and FAME fob New York Harbor and fob US Gulf, which were published incorrectly on Thursday August 7. Fastmarkets has corrected the prices for the following biodiesel assessments: EN-BD-0017 Biodiesel, SME, B100, flat price, fob US Gulf, $/gal was incorrectly published as $4.3388-4.5488 per gallon. This has been corrected […]
This reflects changing market dynamics with a preference from market participants for more visibility on a price for Laos-origin material while noting liquidity decline on an FOB Southern Turkey basis. The proposed price specifications will be as follows: Barite, drilling grade, unground lump, API, bulk, SG 4.10 fob Vietnam, $ per tonneQuality: API grade, SG 4.10 […]
The publication of the affected price was delayed for 29 minutes. The following assessment was published late: MB-ZN-0110 Zinc spot concentrate TC, cif China, $/per tonne This price is a part of the Fastmarkets Base Metals Physical Prices package. For more information or to provide feedback on the delayed publication of this price or if you […]
Fastmarkets proposes to launch magnesia, dead burned, 90% MgO, cif Europe, $/tonne and magnesia, dead burned, 97% MgO, cif Europe, $/tonne price assessments. Following preliminary discussions with the market, Fastmarkets received feedback that these grades of magnesium oxide have been increasingly used for producing refractory materials in Europe. The new launch would cover imports of […]