Delayed publication of LME aluminium, copper warrant assessments

The publication of Fastmarkets’ assessments for copper grade A cathode warrant premiums and aluminium P1020A warrant premiums was delayed on Wednesday March 11 because of a procedural lapse. Fastmarkets’ pricing database has been updated.

The copper warrant premium assessments were published at 4.13pm UK time and the aluminium warrant premium assessments were published at 4.18pm UK time, instead of the scheduled time of 4pm UK time.

The following prices were affected:

MB-CU-0377 Copper grade A cathode warrant premium, in-whs US, $/tonne
MB-CU-0397 Copper grade A cathode warrant premium, in-whs Southeast Asia, $/tonne
MB-CU-0398 Copper grade A cathode warrant premium, in-whs East Asia, $/tonne
MB-CU-0400 Copper grade A cathode warrant premium, in-whs North Europe, $/tonne
MB-CU-0401 Copper grade A cathode warrant premium, in-whs South Europe, $/tonne
MB-AL-0333 Aluminium P1020A warrant premium, in-whs Southeast Asia, $/tonne
MB-AL-0334 Aluminium P1020A warrant premium, in-whs East Asia, $/tonne
MB-AL-0338 Aluminium P1020A warrant premium, in-whs US, $/tonne

These prices are part of the Fastmarkets base metals package.

For more information or to provide feedback on the delayed publication of these assessments or if you would like to provide price information by becoming a data submitter to these assessments, please contact pricing@fastmarkets.com and basemetals@fastmarkets.com. Please add the subject heading “re: Copper/Aluminium warrant premiums.”

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
Fastmarkets has corrected its MB-STE-0816 Japan seamless Linepipe API 5L B fob and its MB-STE-0817 Japan seamless Linepipe API 5L X65 fob assessments, which were published incorrectly on Wednesday April 8 due to a procedural error.
Fastmarkets has decided to launch two weekly price assessments for graphite flake 94% C, -100 mesh and graphite flake 94% C, +80 mesh on an ex-works China basis on Thursday April 16.
Fastmarkets published its assessment of the MB-STE-0232 steel scrap No1 busheling, consumer buying price, delivered mill Chicago, $/gross ton on Thursday April 9, 2026.
Fastmarkets has corrected the rationale for its MB-LI-0033 Lithium hydroxide monohydrate LiOH.H2O 56.5% LiOH min, battery grade, spot price cif China, Japan & Korea, which was published incorrectly on Thursday April 9 due to a typo. The published rationale for MB-LI-0033 Lithium hydroxide monohydrate LiOH.H2O 56.5% LiOH min, battery grade, spot price cif China, Japan […]
Fastmarkets launched two new aluminium scrap prices on Thursday, April 9, adding to Fastmarkets’ suite of recycled non-ferrous metals price assessments. The launch will elevate and expand Fastmarkets’ aluminium scrap coverage by including the following grades: Section 232 tariffs and the resulting high aluminium premiums have led to increased costs and rising interest in recycled […]
The proposal would align the index more closely with physically traded volumes in the region, and enable it to adjust to evolving market conditions. This proposal follows an observed widening of the spread between trader and smelter purchase components of the index and is aligned with a majority of market feedback. Additionally, Fastmarkets seeks feedback […]