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COMEX copper reaches record highs as the August 1 deadline for tariffs looms

The copper price in the United States rose 3.6% to $5.93 per lb on Wednesday, a new record. This is ahead of Donald Trump's planned 50% tariffs on August 1, which will be imposed on imports.

The COMEX copper contract that is most actively traded has gained 32 percent since Trump's investigation into the copper tariffs in February. This prompted a massive flow of metals to the U.S., to take advantage the premium offered over the London Metal Exchange benchmark.

The COMEX premium over LME copper was also at a record-high on Wednesday. It topped $3,100 per metric tonne.

Trade Data Monitor reports that copper exports to the United States during the first five months 2025 increased by 127% on an annual basis, reaching 680,727 tonnes.

The LME is the source of most copper exported to the United States. Between mid-February and the end of June, LME stocks dropped by 66% to almost 90,000 tonnes, the lowest level since August 2023.

LME stock levels have rebounded since then to 124 825 tons, as only those shipments already in transit are expected to make it to the U.S. before the deadline of August 1. Reporting by Eric Onstad, Pratima Dasai and David Gooding.

(source: Reuters)