Delayed publication of copper concentrates indices, coefficients

The publication of several Fastmarkets copper concentrates indices and coefficients was delayed by 18 minutes on Friday May 1 due to a procedural error.

Fastmarkets’ pricing database has been updated.

The following prices were affected:

MB-CU-0287 Copper concentrates TC index, cif Asia Pacific, $/tonne
MB-CU-0508 Copper concentrates TC implied smelters purchase, cif Asia Pacific, $/tonne
MB-CU-0509 Copper concentrates TC implied traders purchase, cif Asia Pacific, $/tonne
MB-CU-0288 Copper concentrates RC index, cif Asia Pacific, US cents/lb
MB-CU-0510 Copper concentrates RC implied smelters purchase, cif Asia Pacific, cents/lb
MB-CU-0511 Copper concentrates RC implied traders purchase, cif Asia Pacific, cents/lb

These prices are part of the Fastmarkets base metals package.

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

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 the Fastmarkets methodology page.

What to read next
Fastmarkets invited feedback from the industry on the pricing methodology for Asia recovered paper and Asia packaging paper and board via an open consultation process between May 5 and June 2, 2026.
Fastmarkets invited feedback from the industry on the pricing methodology for PIX Forest Biomass Finland price indices via an open consultation process between May 13 and June 10, 2026. This consultation was done as part of our published annual methodology review process.
Fastmarkets has corrected its FP-LBR-1245 Kiln-dried eastern spruce-pine-fir stud 2x4 9-ft PET delivered Boston price, which was published incorrectly on Tuesday June 9.
Fastmarkets has corrected the rationale for its MB-MNO-0002 manganese ore semi carbonate index, 36.5% Mn, fob Port Elizabeth, which was published incorrectly on Friday June 5 due to incorrect source data.
Fastmarkets invited feedback from the industry on the pricing methodology for PIX Packaging Europe indices via an open consultation process between May 7 and June 8, 2026. This consultation was done as part of our published annual methodology review process.
The MB-MNO-0003 Manganese ore semi carbonate index, 36.5% Mn, cif Tianjin, $ per dmtu was published in error as $4.75 per dry metric tonne unit. It has been corrected to $4.74 per dmtu. The rationale for the same index on the same date was also updated to reflect this change. It erroneously stated that “Fastmarkets’ manganese ore semi-carbonate […]