Alumina prices averaged USD 307 per metric ton in May, down 0.4% from April. On 29 May, the commodity traded at USD 306 per metric ton, down 1.2% from 30 April.
Average alumina prices fell in May for the third time in five months, highlighting choppy market conditions. Increased production in China improved supply, while lower Gulf output of aluminium—of which alumina is the main input—amid the Iran conflict likely dampened demand for alumina and weighed on prices.
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 | - | 427 | 504 | 695 | 534 | 356 | 358 | 316 | 307 | - | - | - |