Introduction
For decades, conflicts in the Persian Gulf have sent ripples through global commodity markets. Aluminium is no exception. The region accounts for roughly 8% of the world’s primary production, and its smelters rely heavily on cheap local gas. When fighting erupts, three channels typically come into play: physical damage to plants, disruption of shipping lanes, and a spike in risk premiums. The 2026 US‑Iran confrontation has followed this pattern closely. This article reviews the price action in August, assesses the impact of the September escalation, and offers a forward‑looking view based on current fundamentals.
1. Why the Gulf Is So Important for Aluminium
The Persian Gulf is not only about crude oil. Over the past two decades, it has become a major aluminium hub, with smelters in the United Arab Emirates, Bahrain, Qatar and Saudi Arabia. Their combined output exceeds 5 million tonnes per year, most of which is exported to Europe, Asia and the Americas. Cheap energy gives these plants a cost advantage, but it also makes them vulnerable in times of war.
When hostilities broke out in March 2026, Iranian strikes hit two of the largest facilities. Emirates Global Aluminium’s Al Taweelah plant in Abu Dhabi suffered severe damage and was forced to shut down completely. The company later stated that a full recovery would take at least twelve months. Bahrain’s Alba smelter also sustained damage, operating at only 30% of capacity in April. These disruptions removed a significant chunk of global supply within weeks.
Equally important is the Strait of Hormuz. Every year, over 5 million tonnes of primary aluminium pass through this narrow waterway, along with bauxite and other raw materials. When the strait becomes unsafe, shipments are delayed or rerouted, adding costs and uncertainty. In the spring of 2026, war risk insurance premiums for vessels in the area surged by more than 300%. This logistical bottleneck has remained a persistent concern ever since.
2. August 2026: A Month of Consolidation
After the dramatic price spikes of the spring – LME three‑month aluminium reached nearly $3,855 per tonne in early June – August brought a calmer, more range‑bound market. Prices moved between $3,240 and $3,380 for most of the month, as traders weighed tentative signs of recovery against ongoing supply tightness.
In the first half of August, the market focused on restart announcements. Norsk Hydro secured temporary terminal access and began to ramp up output. More notably, EGA reported that about one‑quarter of Al Taweelah’s reduction cells – 315 out of 1,262 – had been brought back online. This news took some of the immediate fear out of the market, and prices dipped to around $3,250 by mid‑month.
However, the underlying inventory picture remained exceptionally tight. LME registered stocks continued to fall, dropping to roughly 248,000 tonnes by 20 August – a level not seen since the early 2000s. Stock draws were not seasonal; they reflected genuine physical scarcity as consumers scrambled to secure metal. Towards the end of August, prices began to creep higher again, closing on 31 August at $3,242 on the LME, while the Shanghai futures contract settled at 24,075 yuan per tonne. The market was clearly positioning for the next catalyst.
3. The September Shock: Escalation Resumes
That catalyst came on 31 August, when US forces launched strikes against Iranian targets. Iran responded with missile attacks on a US base in Jordan. The fragile ceasefire that had held since June effectively collapsed. Within hours, the risk premium returned to the aluminium market.
On 1‑2 September, LME aluminium rose by nearly 1% to $3,272.50. Analysts pointed to renewed fears of further damage to Gulf smelters and to the Strait of Hormuz, which remained partially blocked. More importantly, the escalation shattered the narrative of a steady, linear recovery. If fighting intensifies again, the restart plans for Al Taweelah and other plants could be delayed or reversed. This uncertainty, rather than any single physical event, provided the main upward push.
It is worth noting that the market had already priced in a gradual healing process. The new hostilities forced traders to reassess that assumption. As one London‑based broker put it, “we are back to square one on risk.” Shipping data also showed that rerouting costs had jumped again, adding further support to prices.
4. What to Expect in the Coming Weeks
Looking forward, aluminium prices face a tug‑of‑war between bullish supply factors and bearish macro headwinds. Here is how the main forces line up.
On the bullish side:
The supply deficit remains real. TD Securities estimates that Gulf‑related disruptions removed about 1.3 million tonnes of output in 2025, and the global market could face a shortfall of nearly 1.9 million tonnes in 2026. With LME stocks so thin, any fresh disruption could trigger a sharp spike.
Geopolitical risk is unlikely to fade soon. The Trump administration has shown no willingness to revive the June ceasefire terms. As long as the US‑Iran standoff continues, a risk premium will be embedded in prices.
Seasonal demand is improving. In China, the “golden September” period traditionally brings stronger downstream consumption. If orders from construction and automotive sectors pick up, domestic prices could find extra support.
On the bearish side:
Middle Eastern smelters are gradually restarting. Al Taweelah already has 25% of its capacity back, and full recovery is targeted for early 2027. Bahrain and Qatar are also adding output. More supply will eventually ease the tightness.
Monetary policy remains a drag. The Federal Reserve is still hawkish, and higher interest rates tend to strengthen the dollar and weigh on commodities. This macro headwind is not going away.
Chinese demand is not uniformly strong. The aluminium processing PMI for August stood at 48.7 – below the 50 threshold that separates expansion from contraction. The recovery is patchy, and some downstream sectors are still sluggish.
5. Analyst Views and Price Projections
Most analysts agree that aluminium will trade in a relatively wide range, with a modest upward bias in the short term.
Goldman Sachs recently raised its third‑quarter 2026 forecast to $3,300 per tonne, while keeping its 2027 average at $2,950. The bank warns, however, that stronger supply growth from Indonesia and China could cap longer‑term gains.
CITIC Securities takes a more constructive view, arguing that prices will remain well supported through 2026 and the first half of 2027, with cost‑curve support around $3,000 per tonne in the latter half of 2027.
For the immediate horizon, Chinese brokers are looking at LME aluminium in the $3,200–$3,350 range, with Shanghai futures trading between 23,900 and 24,200 yuan. These ranges reflect the current balance of risks.
6. Conclusion
Aluminium prices are caught between a fragile supply chain and a cautious demand environment. The Gulf war has caused genuine, lasting damage to production capacity, and the Strait of Hormuz remains a choke point. Inventories are at historic lows, and the geopolitical situation is unpredictable. At the same time, the market has already absorbed much of the bad news – smelters are restarting, and high interest rates are discouraging speculative buying.
For the remainder of September and into October, we expect LME aluminium to trade mainly between $3,200 and $3,350, with Shanghai futures in the 23,900–24,200 yuan band. The exact trajectory will depend on two critical variables: whether the US‑Iran conflict escalates further, and whether China’s seasonal demand rebound meets market expectations. One thing seems clear: the old normal of cheap, abundant Gulf aluminium is unlikely to return any time soon. Investors and end‑users alike should brace for continued volatility and a higher long‑term price floor.
References
1.ING Research, via Investing.com – Gulf Smelter Cuts Tighten Aluminium Outlook (16 March 2026)
2.Kpler – Iran Strikes GCC Smelters, Aluminium Could Hit $4,000/t (2 April 2026)
3.LME aluminium inventory data (August 2026) – via webnewsdx3.pobo.net.cn and Crainternational.com.cn
4.Goldman Sachs – Aluminium: Short term support, but conflict unlikely to change medium term downside (30 March 2026) – via cls.cn
5.Goldman Sachs – Middle East outages to keep aluminium market tight near term, but Indonesia China supply wave caps upside (21 June 2026) – via The Economic Times
6.TD Securities – Gulf conflict drives aluminium supply disruption, 2026 deficit seen at 1.9 million tonnes – via Stockstar.com
7.SMM (Shanghai Nonferrous Metals) – Aluminium market analysis, September 2026 – via news.metal.com
8.Mysteel – Daily aluminium price assessment (1 September 2026)
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