Alcoa revised its 2026 alumina production forecast downward and reported second-quarter earnings that fell short of analyst expectations, leading to a decline in its share price. The company announced these updates on July 16, 2026.
Alcoa adjusted its 2026 alumina production outlook to a range of 9.5 to 9.6 million metric tons, a reduction of 0.2 to 0.3 million metric tons from its previous projection. The company also lowered its alumina shipment guidance by 0.3 to 0.4 million metric tons, now expecting 11.5 to 11.6 million metric tons. Despite this, Alcoa maintained its 2026 aluminum production guidance at 2.4 to 2.6 million metric tons.
For the second quarter, Alcoa reported adjusted earnings per share of $2.12, missing the consensus estimate of $2.32 by $0.20. Revenue reached $3.97 billion, slightly below analyst estimates of $3.99 billion. However, the company achieved record quarterly revenue of $4.0 billion, a 24% sequential increase, driven by higher aluminum prices and increased shipments. Adjusted EBITDA, excluding special items, also rose 51% sequentially to $901 million.
The primary reason for the reduced alumina forecast was operational instability at Alcoa's Pinjarra refinery in Western Australia. This instability began in late March and worsened due to gas supply disruptions caused by Cyclone Narelle. The refinery also experienced issues with organic compounds. Although the Pinjarra refinery has since stabilized, Alcoa does not expect to recover the lost second-quarter volumes fully.
Following the announcement, Alcoa's shares fell 2.5% in regular trading and experienced a more significant drop of over 7% in after-market trading before paring losses. This weaker outlook for alumina overshadowed a strong performance in Alcoa's aluminum business, which benefited from a rally in metal prices and the restart of idled smelters. The aluminum segment's adjusted EBITDA reached $1.07 billion, exceeding analyst estimates.
Aluminum prices have climbed approximately 20% over the past year. This increase is largely due to supply disruptions from the Middle East and anticipated robust demand from power grids, data centers, and the energy transition sector. While alumina prices remain stable, 3 to 3.5 million metric tons of capacity are offline in the Strait of Hormuz due to the Iran war, which has weakened Middle East demand and margins. Alcoa expects a favorable net impact of approximately $10 million in its Alumina Segment Adjusted EBITDA for the third quarter, driven by Pinjarra's recovery and lower energy prices. The company recently agreed to acquire South32 Ltd.'s alumina, aluminum, and bauxite business for up to $5.6 billion, signaling a strategic bet on continued growth in demand for lightweight metals.
Impact on Product & Chemical Commodity Prices
Alcoa’s reduced alumina production and shipment guidance is expected to tighten global alumina availability, particularly in export markets, supporting firm alumina prices despite stable current market conditions. Aluminum production remains unchanged, limiting immediate supply concerns for primary aluminum, although persistent refinery disruptions and Middle East capacity outages may keep prices elevated. For ChemAnalyst-tracked commodities, stronger alumina and aluminum pricing could increase production costs for aluminum-based chemicals, specialty aluminas, aluminum hydroxide, aluminum oxide, and downstream products such as aluminum sulfate and polyaluminum chloride (PAC). Rising feedstock costs may also influence refractory materials, ceramics, abrasives, catalysts, and water-treatment chemical markets in the coming months.
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