Summary: Following a 10% gain in March—the largest monthly increase in two years—aluminum futures on the London Metal Exchange (LME) remain volatile. As of April 2–3, cash settlement prices are holding at approximately $3,505 per tonne. LME warehouse inventories have plummeted to 411,950 tonnes, the lowest level since mid-2025. For extrusion manufacturers, this indicates continued upward pressure on billet premiums and raw material costs through Q2.

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