Alumina prices averaged USD 382 per metric ton in October, up 7.9% from September. On 30 October, the commodity traded at USD 395 per metric ton, up 9.5% from 30 September.
Average alumina prices rose for a fifth straight month in October, clocking the best performance among base metals. Recovering aluminium output at Gulf smelters supported alumina demand— alumina is the main raw material used in aluminium production—while Rio Tinto’s 40% alumina production cut at Yarwun curtailed supply.
This chart displays Alumina (US$/mt) from 2024 to 2026.
Alumina COMEX (prices in US$/mt, aop)
| Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | Q3 2026 | Q4 2026 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alumina COMEX | - | - | - | 695 | 534 | 356 | 358 | 316 | 307 | 308 | 347 | - |