Full Breakdown
Record Copper Prices on the London Metal Exchange
9/8/2026, 9:45:04 PM
Drivers Behind the Surge
Copper futures on the London Metal Exchange (LME) have climbed to an all-time high of US $14,533 per tonne, surpassing the previous record set earlier in the year. The rally is being fueled primarily by expectations that the United States will expand tariffs on refined copper imports. Traders anticipate that the tariff regime, first floated by President Donald Trump in February of the previous year, could take effect next year, prompting American buyers to stockpile copper ahead of any restrictions.
The price differential between New York’s Commodity Exchange (Comex) contracts and LME contracts has created a lucrative arbitrage window, encouraging shipments that have swollen Comex inventories while depleting stocks in the LME’s global warehouse network.
Data and Market Indicators
- Benchmark three-month LME futures rose as much as 0.8 % to US $14,533/tonne, then gave back part of the gain.
- The metal is up 17 % since January and 47 % over the past 12 months, reflecting a long-term supply-demand mismatch as aging large-mine fleets struggle to keep pace with demand from data centers, renewable-energy projects and power-grid upgrades.
- LME inventories have fallen to a near five-month low, while Comex stocks have risen sharply; Shanghai Futures Exchange warehouses also show their lowest levels since 2024.
- The market is in backwardation, with spot prices trading at a steep premium to three-month futures, a condition that signals near-term supply tightness.
Impact on Miners
The price surge has translated into sizable profit gains for the world’s biggest copper producers. Rio Tinto Group, BHP Group, Glencore Plc and Zijin Mining Group Co. all reported large profit increases in their most recent earnings releases, largely attributable to higher copper prices.
However, operational challenges persist. Data released recently indicated that copper export revenue from Chile—the top global producer—has fallen to its lowest level in more than a year. Analysts warn that without a second-half recovery, global mined output could register its first annual decline since 2017, tightening the market further.
Official Statements & Responses
His assessment underscores the view that the current price environment is likely to persist as long as tariff uncertainty and inventory imbalances remain.
Verbatim Quotes
- “This is driven more by the relocation of metal due to tariffs than by excess final demand,” — Cristián Cifuentes, senior analyst at Chilean copper industry think tank, Cesco
What’s Next
Market participants expect the United States to finalize its refined-copper tariff policy sometime next year. Until that decision is made, the price spread between Comex and LME contracts is likely to continue offering event-driven trading opportunities, and inventories will remain a key focus for traders and miners alike.
