- Guinean supply disruption adds to market concerns
- Market eyes Fed announcement for further cues
London Metal Exchange (LME) aluminium prices gained, hitting an almost 6-month high during week 37 of CY’25 (8-12 September 2025).
Aluminium extended its rally for the seventh consecutive session ahead of a Federal Reserve meeting this week, where an interest rate cut is increasingly anticipated.
Adding to supply worries, Guinea Alumina lost all of its mining licenses after the country’s military-led government reassigned the leases to a state-owned company.
Pricing, inventory trends
LME aluminium prices averaged $2,640/t in week 37, increasing by $30/t w-o-w and reflecting a 1.1% from week 36 (1-5 September). Prices opened the week at $2,612/t, hit $2,630-2,650/t mid-week, and closed steady at a 6-month high level at $2,695/t.
Meanwhile, aluminium stocks at LME warehouses edged up 1% w-o-w, to 485,275 t in week 37 from 480,905 t in week 36.
Outlook
Market participants are closely watching the Fed’s policy announcement on Wednesday, as rising expectations of monetary easing have put pressure on the dollar and boosted industrial metals. Aluminium has found additional support in recent weeks from a surge in inventory withdrawal requests, heightening concerns over supply constraints.
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