Copper’s phantom tariff
London Metal Exchange copper stocks remain near their highest levels since 2013, but available metal is tightening as cancellations rise.
London Metal Exchange copper stocks remain near their highest levels since 2013, but available metal is tightening as cancellations rise.
Konkola Copper Mines has taken its Nchanga smelter offline for planned maintenance, with the shutdown forming part of a wider cycle of outages across Zambia’s copper-processing sector.
Aluminium Bahrain [Alba] has agreed to acquire Aluminium Dunkerque, the largest primary aluminium smelter in the EU, in a deal valued at $2.2 billion, subject to regulatory approval.
Weekly review of LME base metals markets covering aluminium, copper, zinc, lead, nickel, and tin, analysing price action, spreads, warehouse stocks, cancelled warrants, and the macro and physical drivers behind trading activity during the week ending 29 May 2026.
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Weekly review of LME base metals markets covering aluminium, copper, zinc, lead, nickel, and tin, analysing price action, spreads, warehouse stocks, cancelled warrants, and the macro and physical drivers behind trading activity during the week ending 22 May 2026.
Weekly review of LME base metals markets covering aluminium, copper, zinc, lead, nickel, and tin, analysing price action, spreads, warehouse stocks, cancelled warrants, and the macro and physical drivers behind trading activity during the week ending 15 May 2026.
Nickel markets are focused on Indonesia’s quota cuts – but tightening sulphur supply is the real story. Disruptions in Iran, the Gulf and China, combined with declining hydrocarbon output, are constraining availability and reshaping the market balance.
Aluminium and copper are reacting differently to the same conflict. Aluminium faces real supply shocks – force majeure, halted smelters, surging premiums and constrained output – creating a price floor Copper’s rise reflects risk pricing amid ample supply, leaving it vulnerable to rapid reversal.
Understanding premiums, discounts and the associated "basis risk" in metals markets.
A high-level overview of the importance of LME brands and the listing process.
Why pricing material based on a reputable reference price offers increased transparency, efficiency and optionality.
A detailed overview of price formation via bilateral negotiations, price reporting agencies, physical trading platforms and futures exchanges.
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