Copper

1 day

−3.73%

1 month

−0.95%

1 year

+43.95%

52-week range 4.5410 – 6.8035 · last close 2026-09-11

Our analysis of copper

Written by Wingzman, with the reporting each piece draws on cited in full.

• Copper Hit a Record. The Metal Did Not Disappear — It Moved.

  Copper passed $14,500 a tonne on the LME on a proposed US import duty. COMEX stocks are at a record while LME stocks are drained — a stockpile race, not a shortage. Why an Indian buyer pays for a tariff they are not subject to.

  11 September 2026 · 6 min read · 3 sources

Background reading

Evergreen explanation rather than dated reporting — how this input is used, and what decides what it costs you.

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• A History of Power Transmission: One Mile to One National Grid

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• How Power Transmission Works: From the Generator to Your Charger

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Elsewhere in the press

Reporting from the trade and financial press. Links go to the publisher; we did not write these.

• Copper price surges to all-time high as tariff turmoil rocks market

  MINING.COM · 7 September 2026

• The AI boom and tariff uncertainty are pushing copper prices to record highs

  CNN Business · 10 September 2026

• Copper rally sets record price on LME as US tariff fears fuel ‘scramble’ for stockpiles

  South China Morning Post

Headlines reviewed 2026-09-11.