US Copper Inventory Records Longest Rising Streak Since 1992

Copper stockpiles at US exchanges have risen for 100 consecutive days as traders rush to move the metal into the US amid President Donald Trump’s tariffs.

Inventories at Comex warehouses reached 265,196 tons as of Monday, the longest rising streak since the exchange began collecting the figures in 1992, according to data compiled by Bloomberg.

Tariff expectations since the beginning of the year have driven copper prices on Comex sharply above global benchmark prices in London, creating an opportunity for merchants to ship the metal to the US to capture big profits.

Even though Trump’s tariffs excluded copper cathode, ...