The regional premium for aluminum delivered to the US market stood at a record high as US President Donald Trump said he’ll impose a 50% tariff on Canadian shipments of the lightweight metal.

The U.S. Midwest duty-paid aluminum premium jumped to 45 U.S. cents per lb, or more than $990 a metric ton, on Tuesday, a jump of nearly 20% from Monday. It has climbed more than 70% since the start of 2025 .

U.S. President Donald Trump announced an increase in tariffs on Canadian metals to 50%, causing the premium for consumers