Aluminum
Forecast
Aluminum H2 2026: Three Scenarios and the One Trigger That Separates Them
2026-05-22 · 6 min read · LME, Fastmarkets, Reuters, ING, CRU, S&P Global
Aluminum rallied 70% from mid-2025 to $3,768/t after Gulf smelter destruction removed 3 Mt of capacity, Mozal shut down, and China hit its 45 Mt capacity ceiling. The supply side has been permanently reduced. The question for H2 2026 is whether demand holds or price destruction kills the rally — three scenarios with a decision matrix for procurement.
LME Cash$3,768/tMay 14 high
Mid-2025$2,200/tpre-crisis low
Backwardation$95/twidest since 2007
LME Inventory418ktcritically low
LME aluminum hit $3,768/t in May 2026 — near 4-year highs. The rally was triggered by missile strikes on Gulf smelters and the Hormuz blockade, amplified by South32's Mozal closure (560 kt/yr) and China's production ceiling. At current prices, aluminum faces a critical question: does demand hold, or does price destruction kill the rally?
Supply foundation: what is confirmed vs projected
CONFIRMED: Three Gulf smelters — EGA Al Taweelah (1.5 Mt/yr), Alba in Bahrain (1.6 Mt/yr), and Qatalum in Qatar (0.6 Mt/yr) — lost an estimated 3.0-3.5 Mt of annual capacity after missile strikes in late March 2026 ((FACT: Fastmarkets, CRU, Reuters). EGA is completely offline with restoration estimated at up to 12 months. Alba is at ~30% capacity. Qatalum is at ~60% after gas supply cuts.
South32's Mozal smelter in Mozambique (560-580 kt/yr) entered care and maintenance on March 15, 2026 ((FACT: South32). This was a key source of duty-free, hydro-powered green aluminium for European buyers — a structural loss.
PROJECTED: The Gulf capacity will not return until the Hormuz blockade is lifted — no timeline exists. Mozal has not announced a restart date. Combined, the permanent supply loss is ~3.5-4.0 Mt/yr, or roughly 5-6% of global ex-China supply.
$3,768/tLME cash aluminum, May 14, 2026Source: LME, Fastmarkets
Demand foundation: the vulnerable variable
Global aluminum demand grew at trend through Q1 2026 (~2% YoY), supported by infrastructure, data centre construction, and packaging. But at current prices, demand destruction risk is real and concentrated. The 50% US Section 232 tariff (Proclamation 11021, April 2) raises the cost floor for US buyers ((FACT: US Federal Register). European buyers face backwardation-driven premium expansion.
China's domestic demand grew just 1% in Q1 2026 ((FACT: IAI). Record production of 129 kt/day in April is being absorbed by exports, not domestic consumption. Chinese social inventories hit 1.37 Mt — the highest in six years — indicating domestic oversupply ((FACT: SMM, Reuters).
Rzzro forecast position
The base case is that supply losses hold prices well above pre-crisis levels but demand-side weakness prevents a new all-time high. The $3,000-3,600/t range reflects a market where structural supply constraints prevent a crash, but tariff-driven demand destruction and Chinese export pressure cap the upside. The most important variable: LME inventory trajectory. If stocks continue falling from 344 kt, the bull case probability rises. If they rebuild above 500 kt, the bear case becomes the base.
Three scenarios
Current (May 22)$3,700/tLME cash
10% Move Impact$370/tPer tonne
Base case (50% probability): $3,000 – $3,600/t
Supply losses are structural and support prices well above pre-crisis levels. The 50% US tariff dampens Western demand. Chinese export surge absorbs some slack. LME on-warrant stocks stabilize between 250-400 kt. Backwardation narrows from current $95/t to $20-40/t. Key triggers: LME stocks stabilizing above 300 kt. Midwest premium settling at $0.30-0.40/lb. China daily output holding at 129 kt/day.
Performance: Q3 average $3,100-3,400. Q4 average $3,000-3,600. H2 range $3,000-3,600.
Procurement playbook: Lock 50% of H2 volume at current levels via LME forwards. Float 25% with a floor at $2,800. Leave 25% for spot. Increase coverage if backwardation exceeds $60/t.
Bull case (20% probability): $3,600 – $4,100/t
Gulf supply stays fully offline, Mozal remains closed, and demand from US infrastructure and data centres proves resilient. LME stocks fall below 250 kt. US Midwest premium expands to $0.50+/lb. Any additional smelter outage (European energy costs) triggers a spike toward the all-time high of $4,103/t. Key triggers: LME stocks below 250 kt. New smelter cuts in Europe. Gulf resolution failure extending into Q4.
Performance: Q3 average $3,500-3,800. Q4 average $3,600-4,100. H2 range $3,600-4,100.
Procurement playbook: Lock 70% immediately using LME swaps. Cover 3-6 months forward before backwardation widens further.
Bear case (30% probability): $2,500 – $3,000/t
A global demand shock — US ISM Manufacturing below 45, Chinese GDP below 4% — destroys industrial demand. Chinese exports flood global markets at distressed prices. LME stocks rebuild counter-seasonally above 500 kt. The 50% US tariff functions as a demand destroyer, not a price supporter. Key triggers: LME stocks above 500 kt. Chinese export volume up >20% YoY. US ISM Manufacturing below 45 for two consecutive months. Chinese Q2 GDP below 4%.
Performance: Q3 average $2,800-3,200. Q4 average $2,500-3,000. H2 range $2,500-3,000.
Procurement playbook: Reduce fixed coverage to 30%. Use puts ($2,500 strike) as insurance. Maximize spot flexibility.
Scenario decision matrix
| Scenario | Base (50%) | Bull (20%) | Bear (30%) |
|---|
| H2 LME range | $3,000-3,600 | $3,600-4,100 | $2,500-3,000 |
| Signal to watch | LME stocks 250-400k | LME stocks <250k | LME stocks >500k |
| Action | 50% lock, 25% float | 70% lock immediately | 30% fixed, max spot |
North America
The 50% Section 232 tariff creates a two-tier market: domestic US prices at a significant premium to LME.
The Midwest premium has widened sharply since April 2. US buyers face $5,000+/t domestic pricing if LME holds above $3,500.
Action: Lock 60% of H2 volume now.
Horizon: 3 months.
Trigger: Midwest premium above $0.50/lb accelerates coverage.
Europe
European buyers face a double squeeze: loss of Mozal's duty-free green aluminium and backwardation-driven premium inflation.
Physical premiums for low-carbon aluminium are rising as Mozal supply disappears. Energy costs (TTF) remain elevated.
Action: Front-load H2 coverage — the premium for physical delivery will widen into Q3.
Horizon: 3 months.
Trigger: TTF above $30/MMBtu for two consecutive weeks.
China
Record production at 129 kt/day but domestic demand growing at just 1%.
Social inventories at 1.37 Mt — the highest in six years.
China is exporting surplus, which provides a cap on global prices but masks the depth of domestic oversupply.
Action: Monitor the SHFE-LME arbitrage.
Horizon: Monthly review.
Trigger: Chinese exports exceeding 600 kt/month signals bearish pressure.
Asia Pacific (ex-China)
Japanese buyers paid a $228/t Q3 premium — an 11-year high — reflecting acute shortage of duty-free metal in Asia ((FACT: Reuters, Fastmarkets).
Premiums are expected to rise further as Gulf-origin metal remains trapped behind the Hormuz blockade.
Action: Lock Q3 premiums now.
Horizon: 3 months.
Trigger: Any further narrowing of the backwardation.
What we do not know
- The Hormuz blockade timeline. The single most important variable. If the Strait reopens, Gulf smelters could restart within 6-12 months, adding 3 Mt back to supply. There is no diplomatic resolution in sight. Monitor: US-Iran negotiations, Hormuz shipping insurance rates.
- Demand elasticity at $3,500+/t. At what price does industrial demand for aluminum break? Historical data offers limited guidance because aluminum has never traded at these levels for a sustained period outside of the 2022 Russia shock.
- US tariff duration. Proclamation 11021 is in effect for 90 days, renewable. If tariffs are reduced or removed, US demand would recover sharply — but the political calculus is uncertain.
- European smelter viability in Q4. Energy costs, carbon costs, and backwardation are compressing European smelter margins. A cold winter or TTF spike above $40/MMBtu could trigger additional cuts.
What this means for buyers
Coverage strategy: Lock 50% of H2 volume in the $3,000-3,200 range using LME forwards. Float 25% with a floor at $2,800 via zero-cost collar. Leave 25% for spot. Differentiated by profile: High-volume buyers with annual contracts should accelerate Q4 coverage now — the backwardation makes waiting expensive. Mid-volume buyers with spot exposure should use collars to cap downside while maintaining upside participation. Multi-region buyers should prioritize European and Asian book coverage given the physical premium divergence from North America. The single variable to watch: LME on-warrant stock trajectory. Below 250 kt triggers bull case. Above 500 kt confirms bear case.
This forecast covers H2 2026. It will be reviewed on July 15, 2026, or earlier if the Hormuz blockade is resolved or a major smelter announces permanent closure.