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METALS-Copper eases on trade truce uncertainty; tariff clarity expected on August 1

ReutersJul 30, 2025 7:36 AM

By Lucas Liew

- Copper prices edged lower in London and Shanghai as traders remained cautious amid uncertainty over the extension of the U.S.-China trade truce and the implementation of new U.S. tariffs on August 1.

Three-month copper on the London Metal Exchange CMCU3 fell 0.23% to $9,775.5 per metric ton by 0709 GMT, while the most-traded copper contract on the Shanghai Futures Exchange SCFcv1 dipped 0.06% to 78,930 yuan ($10,999.47) a ton.

"Nothing seems certain yet; the remarks from the (U.S. and China) officials sound hopeful. I am still uncertain what will come afterwards though the two countries said they would push to extend the trade truce," a Shanghai-based metals analyst at a futures company said.

More details may be available on August 1 when U.S. tariffs on its trade partners, including its 50% copper import tariffs, are all said to be effective.

Elsewhere, the premium of COMEX over LME copper fell to 26% after top producer Chile said it was seeking exceptions from 50% U.S. tariffs.

Grupo Mexico, a leading copper miner, reported a 10% rise in net profit for the second quarter amid lower mining costs and strong performance in its copper byproducts business. It views the looming tariffs as an investment opportunity to expand production run by its U.S. subsidiary, Asarco, in Arizona.

Among other London metals, aluminium CMAL3 gained 0.31% to $2,613.5 a ton, while lead CMPB3 fell 0.12% to $2,014, tin CMSN3 edged down 0.05% to $33,675, and nickel CMNI3 lost 0.66% to $15,215. Zinc CMZN3 traded flat at $2,805.

SHFE nickel SNIcv1 fell 0.15% to 121,720 yuan, while lead SPBcv1 declined 0.32% to 16,890 yuan. Tin SSNcv1 strengthened 0.19% to 267,870 yuan, and zinc SZNcv1 increased 0.04% to 22,670 yuan. Aluminium SAFcv1 traded flat at 20,625 yuan.

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