Proposal to amend frequency of US aluminium billet premium

Fastmarkets proposes to amend the frequency of MB-AL-0052 aluminium 6063 extrusion billet premium, delivered Midwest US, US cents/lb.

Fastmarkets proposes to assess and publish the aluminium 6063 extrusion billet premium, delivered Midwest US assessment once a month, on the fourth Friday of each month, from the current fortnightly basis every other Friday.

The proposal follows initial feedback from market participants reporting low liquidity in the US aluminium billet spot market.

The proposed new specifications are listed below, with the proposed amendment of price frequency in italics:

MB-AL-0052 Aluminum 6063 extrusion billet premium, delivered Midwest US, US cents/lb

Quality: Extrusion billet AA6063. Billet with diameter of 6”, 7” and 8”
Quantity: Min 100 tonnes
Location: Delivered into US Midwest region, duty-unpaid premium on top of the P1020A ingot Midwest premium and LME cash prices
Timing: Within 2 months
Unit: US cents/lb
Payment terms: 30-day payment, other payments terms normalized
Publication: Once a month on the fourth Friday of the month, 3-4pm London time

This price is a part of the Fastmarkets base metals package.

The consultation period for this proposed amendment starts from Monday September 16 and will end on Tuesday October 15. The next price assessment will then take place, subject to market feedback, on Friday October 25.

To provide feedback on this price or if you would like to provide price information by becoming a data submitter to this price/index, please contact Yasemin Esmen by email at: pricing@fastmarkets.com. Please add the subject heading “FAO: Yasemin Esmen re: US aluminium billet.”

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 Fastmarkets pricing methodology and specification documents, go to https://www.fastmarkets.com/methodology.

What to read next
This consultation was done as part of our published annual methodology review process. No feedback was received during the consultation period and therefore no changes will be made to the methodologies at this stage. This consultation sought to ensure that our methodologies continue to reflect the physical market under indexation, in compliance with the International […]
Fastmarkets will implement methodology changes and clarifications to its global suite of battery-grade lithium carbonate and hydroxide assessments to align with observed trading practices, effective from Tuesday September 1, 2026.
Fastmarkets will publish a one-time differential on August 28, 2026, that may be used to adjust derivatives on commodity exchanges and other contracts, which settle against the assessment of the MB-LI-0033 lithium hydroxide, battery grade, spot price, cif China, Japan & Korea.
Fastmarkets will change the quality and tonnage specifications for its benchmark assessments of the MB-LI-0033 lithium hydroxide monohydrate LiOH.H2O, 56.5% LiOH min, battery grade, spot price, cif China, Japan & Korea and the MB-LI-0029 lithium carbonate, 99.5% Li2CO3 min, battery grade, spot prices, cif China, Japan & Korea, effective from Tuesday September 1, 2026.
The publication of Fastmarkets' assessment of laterite ore with 1.6% nickel content, Indonesia domestic trade, delivered for Monday June 15, 2026 was delayed due to the unavailability of the latest Indonesian government mineral reference prices (HMA). Fastmarkets’ pricing database will be updated upon the release of the latest HMA.
Fastmarkets wishes to clarify details around the following aspects of the pricing methodology for MB-NI-0244 nickel sulfate min 21%, max 22.5%; cobalt 10ppm max, exw China.