Proposal to increase frequency of Shanghai equivalent-grade copper cathode premium

Fastmarkets invites feedback on a proposal to increase the publication frequency of non-exchange-deliverable equivalent-grade (EQ) copper cathode premium, cif Shanghai, from once every two weeks to once every week.

Fastmarkets, which currently assesses the premium on Tuesday on a fortnightly basis, proposes to publish the Shanghai EQ copper cathode premium every Tuesday.

The consultation period for this proposed amendment starts on Wednesday May 31 and concludes on Tuesday June 27.

Fastmarkets is making this proposal in response to feedback from market participants amid increased spot activity and expectations of more spot availability in the Shanghai EQ market, to better reflect market dynamics.

The proposed increase in frequency will take place from July 4, subject to the outcome of this consultation.

The specifications for the premium, incorporating the proposed changes in frequency, are as follows:

MB-CU-0412 Copper EQ cathode premium, cif Shanghai, $/tonne
Quality: 99.9935% min copper conforming to LME specifications; Ag: 0.0025% max, As: 0.0005% max, Bi: 0.00020% max,Fe: 0.0010% max, Pb: 0.0005% max, S:0.0015% max, Se: 0.00020% max, Te:0.00020% max
Quantity: Min 25 tonnes
Location: cif Shanghai
Timing: Within 6 weeks
Unit: USD per tonne
Payment terms: LC, TT or DP other payments normalized to cash
Publication: Weekly. Tuesday 4pm London time

To provide feedback on this consultation, or if you would like to provide price information by becoming a data submitter to the Shanghai EQ copper cathode premium, please contact Sally Zhang by email at pricing@fastmarkets.com. Please add the subject heading ‘FAO: Sally Zhang, re: Shanghai EQ premium.’

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

What to read next
Fastmarkets proposes to discontinue eight assessments for seamless and welded tube and pipe in Europe and Asia.
Fastmarkets has corrected its assessments for used renewable diesel del Los Angeles and San Francisco on December 18th.
Fastmarkets proposes to launch a price index for Canadian hot-rolled coil, following market feedback for the need of a distinct Canadian price after the imposition of 50% Section 232 tariffs effectively bifurcated the Canadian market from the US market.
Fastmarkets has corrected its AG-SYB-0082 Crush Margin US Soy M1 c$/bu price, which had all forward curve months published incorrectly in the month of April 2025 and M2 published incorrectly in October 2025.
Fastmarkets is clarifying the holiday pricing calendar for its price assessments for pig iron exports from Brazil and pig iron imports in the US.
Following an informal consultation with the market, and a review of typical data sets that are collected over the recent months, Fastmarkets now proposes to increase the frequency of MB-BX-0016 Bauxite, cif China, $/dmt price to weekly basis and extend the timing of the price to reflect cargoes for arrival within 90 days, as well as moving the publish time to Friday from Wednesday.