LME aluminum cash settled at $3,080 per metric tonne on July 3, gaining $18.50 from the prior session. The three-month contract closed at $3,087, a narrow $7/mt contango that suggests the nearby market is balanced. SHFE aluminum outperformed, with the front-month contract surging ¥270 to ¥24,530/mt, up 1.1% — likely reflecting post-holiday restocking after the Dragon Boat Festival lull.
The price trajectory over the past three months tells the story of a market that rallied early, peaked, and is now searching for equilibrium. Aluminum hit $3,341/mt in late February on optimism about Chinese stimulus and Western supply constraints. Since then, prices have drifted lower by about 8% as demand growth disappointed and speculators reduced their net long positions. But the decline has been orderly — no panic selling, no crash. The $3,000 psychological level has been tested twice in June and held both times, suggesting buyers are stepping in at that level.
The supply-side story is increasingly about China's capacity ceiling. China's central government has maintained a 45-million-tonne annual capacity cap on primary aluminum since 2017 as part of its environmental and energy-intensity targets. The industry is now operating at approximately 43 million tonnes of installed capacity, leaving only 2 million tonnes of headroom. With utilization rates above 95%, actual output is running near 41 million tonnes annualized. There is simply not much more aluminum that China can produce under current policy.
Ex-China supply has been growing. Chinese aluminum companies have been investing heavily in overseas capacity, particularly in Indonesia and Malaysia, where energy costs are lower and carbon constraints are looser. Indonesia's Adaro Minerals started its 500,000-tonne-per-year smelter in North Kalimantan in early 2026, and several more projects are in the pipeline. But these projects face their own challenges: higher construction costs, longer commissioning timelines, and political risk. BCA Research notes that increased Chinese secondary (recycled) production and overseas capacity expansion will help offset the loss of Chinese primary growth, but the transition takes time.
Alumina costs, which spiked to over $620/mt in late 2025 due to Guinea bauxite supply disruptions and Chinese refinery closures, have been retreating through the first half of 2026. By early July, alumina is trading near $480/mt, down approximately 23% from the peak. This matters enormously for smelter economics: aluminum production consumes roughly 1.93 tonnes of alumina per tonne of metal. At $480/mt alumina, the alumina cost component is approximately $926/mt — down from nearly $1,200/mt at the peak. This restores smelter margins and reduces the pressure for production cuts.
On the demand side, the copper-aluminum substitution trade is the most interesting dynamic. With LME copper at $13,298/mt and aluminum at $3,080/mt, the copper-aluminum price ratio sits at 4.3:1 — among the widest in the last decade. At these levels, electrical applications that historically specified copper are increasingly switching to aluminum. Aluminum wiring, busbars, and transformer windings are gaining share in construction and grid applications. Every percentage point of copper demand that shifts to aluminum adds roughly 300,000 tonnes of aluminum demand annually. This substitution effect provides a structural demand floor that did not exist in previous cycles.
Analyst views reflect the cross-currents. BCA Research sees aluminum prices as resilient in the very near term, supported by constrained Chinese primary supply and the wide copper-aluminum spread, but expects those supports to fade as deteriorating cyclical conditions weigh on demand later in 2026. Goldman Sachs takes a more constructive view, arguing that AI infrastructure buildout will boost demand for aluminum in data center construction and electrical distribution. JP Morgan's base metals team has a neutral-to-cautious outlook, noting that aluminum's sensitivity to energy prices and the risk of additional Chinese export growth — if domestic demand weakens — creates a ceiling as well as a floor.
Forward catalysts include: Chinese June aluminum production data from the National Bureau of Statistics (due mid-July), which will confirm whether China is running at its effective capacity limit. The EU's carbon border adjustment mechanism (CBAM) implementation continues to phase in through 2026, increasing the cost of imported aluminum from high-carbon producers. And the mid-year LME contract roll in August may bring inventory movements as financing deals unwind.
Secure Q3 aluminum contracts now while the $3,000 floor is holding. The Chinese capacity cap creates an asymmetric risk profile: there is limited downside from Chinese oversupply but significant upside from demand acceleration or supply disruption. Structure contracts with a fixed-price base for 60-70% of Q3 requirements at current levels and a floating component for the remainder to capture any price softening. For buyers with significant electrical or construction exposure, investigate aluminum substitution for copper in non-critical applications — the 4.3:1 price ratio makes this a genuine cost-saving opportunity. But verify technical specifications carefully; not all applications can substitute without redesign. Watch the July Chinese production data — if output is running at 95%+ utilization, negotiate with confidence that China cannot flood global markets. If alumina continues falling below $450/mt, smelter margins improve and the $3,000 floor gets reinforced from the cost side.