HG.1 | A complete Copper (NYM $/lbs) Front Month futures overview by MarketWatch. View the futures and commodity market news, futures pricing and futures trading.

But the company reporting the most releases said its estimate is erroneously high, though it hasn't provided new numbers.

Explore Bloomberg Copper historical data, featuring daily prices, open, high, low, volume, and changes. Analyze trends, all-time highs, historical returns, and more.

Explore London Metal Exchange Index historical data, featuring daily prices, open, high, low, volume, and changes. Analyze trends, all-time highs, historical returns ...

Trump's copper tariffs are also set to include the kinds of materials used for power grids, the military and data centers, a Bloomberg report highlighted on Friday.