Trump's 50% Aluminum Tariff on Canada Pushes US Premium to a Record
The 50% tariff on Canadian aluminum has lifted US prices to a record premium over global benchmarks, according to The Wall Street Journal.
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what happened
According to The Wall Street Journal, after returning to office, the Trump administration removed Canada's exemption and raised the aluminum tariff to 50%. Canada had previously been exempt from the 10% levy applied to other trading partners. Canada supplies about 70% of US aluminum imports, so the duty is hitting home buyers, data-center developers, automakers and grocery shoppers.
The US premium over global benchmarks has reached a record. Restrictions on Russian metal and the Iran war, which cut off Persian Gulf exports, have also pushed prices higher. A planned smelter in Inola, Oklahoma, backed by Trump, faces local opposition and a federal lawsuit.
why it matters
The tariff is meant to boost domestic output, but for now it adds costs for consumers and industry. Timing matters for the aluminum market, since the Inola project is stalled. Rio Tinto, which owns the Canadian smelters, is expanding in Saguenay, showing how cheap hydropower remains central to competitiveness.
market impact
Aluminum and buyers: the tariff lifts the US premium and squeezes consumers and metal users.
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instruments
sources
- America Needs Canada's Aluminum. Trump's Tariff Exposed Just How Badly. — WSJ, 27 October 2026 at 01:00 UTC
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