Metal Market Hit by a Cold Wave: A Deep Dive into the Sharp Falls in LME Aluminum and London Copper

Keywords: LME aluminum; London copper; price decline; metal market; macroeconomy; supply-demand imbalance

Introduction

On the last trading day of February 2025, the London Metal Exchange (LME) left a heavy mark on the global commodities market with a striking price drop. Data show that LME aluminum fell to US$3,110 per ton, its lowest level since February 25; at the same time, London copper's intraday decline widened quickly to 2%, now quoted at US$13,105 per ton. This double blow not only surprised market participants, but also sparked broad discussion about the global economic outlook and the supply-demand structure of the metal industry. As an important barometer of the industrial economy, fluctuations in aluminum and copper prices often reflect deeper macro logic and structural changes. This article will analyze the causes, impact and future direction of this round of price weakness from multiple angles.

1. Aluminum Breaks Down: The Resonance of Supply-Demand Imbalance and Macro Pressure

1.1 High inventories and weak demand

LME aluminum falling to US$3,110 per ton, the lowest level since February 25, was no accident. Fundamentally, the global aluminum market is facing significant oversupply pressure. On the one hand, China, the world's largest aluminum producer, accelerated capacity releases from Q4 2024 to early 2025, with electrolytic aluminum projects in Yunnan and Inner Mongolia coming online one after another, leading to a clear increase in supply. On the other hand, downstream consumption sectors—construction, transportation, and power equipment—did not see the expected strong rebound after the Lunar New Year; the real-estate market remained depressed, auto production and sales growth slowed, and social inventories of aluminum products climbed to historically high levels for the same period. Inventories in LME-registered warehouses also rebounded sharply recently, further undermining bullish confidence.

1.2 Softer cost support and a shift in risk appetite

The production cost of electrolytic aluminum mainly comes from electricity and alumina. Recently, domestic thermal coal prices pulled back, and with some regions extending preferential electricity pricing policies, the marginal cost of aluminum smelters fell somewhat. What was initially seen as good news for producers instead objectively weakened cost support for aluminum prices. At the same time, macro risk-aversion sentiment rose as expectations for a Fed policy shift remained unclear. Speculative positions exited the base-metals sector and moved into safe-haven assets such as gold and government bonds, with aluminum—being relatively liquid—taking the first hit. Technically, once the key support level of US$3,150 per ton was broken, stop-loss orders from algorithmic trading were triggered, accelerating the decline.

1.3 Uncertainty in global trade policy

The fall in aluminum prices was also affected by changes in the international trade environment. The U.S. Department of Commerce recently launched a new round of anti-dumping investigations into aluminum products originating from China, and the EU is considering carbon border adjustment measures on aluminum imports. Although these policy moves have not yet been implemented, they have already forced global aluminum traders to adjust procurement schedules in advance, reduce spot stockpiling, and take a wait-and-see approach. The rapid expansion of aluminum capacity in emerging markets such as Southeast Asia and India has also diverted orders from traditional export destinations to some extent, adding extra pressure on the LME aluminum pricing center.

2. London Copper's Sharp Drop: Macro Expectation Repricing and Economic Cycle Concerns

2.1 What lies behind the 2% intraday fall: a reassessment of demand prospects

London copper's intraday fall of 2% to US$13,105 per ton was one of the most significant single-day corrections since November 2024. Copper, often called "Dr. Copper," is widely regarded as a leading indicator of global economic activity. This decline is closely linked to several recently released economic data points: the eurozone manufacturing PMI has been below the boom-bust line for five consecutive months, China's industrial value-added growth in January-February fell below market expectations, and U.S. new home starts also missed forecasts. Combined, these signals led the market to sharply lower expectations for total demand for global industrial metals.

2.2 The end of the "inventory replenishment dividend" in new energy

Over the past two years, copper prices stayed elevated largely because of the structural demand growth brought by the global energy transition—electric vehicles, photovoltaics, wind power and grid upgrades all consume significantly more copper. However, in 2025 some new-energy projects face challenges such as subsidy rollbacks, grid-connection bottlenecks and geopolitical risks. In Europe especially, approval processes for renewable-energy projects have not shortened significantly, and actual installations remain below plan. Meanwhile, after new copper mine capacity was released in 2024, the pace of output growth in 2025 is expected to narrow, but in the short term the supply-demand mismatch is tilting toward the demand side. Once the market realized that new energy could not fully offset declines in traditional sectors such as construction and home appliances, downward pressure on copper prices erupted.

2.3 A stronger dollar and cooling risk appetite

At the macro level, the U.S. dollar index strengthened in late February, directly pressuring dollar-denominated London copper. Stronger-than-expected U.S. employment data and slower disinflation prompted the market to reprice the timing of Fed rate cuts—from March, which had been previously expected, to the second half of the year or later. A strong dollar makes it more expensive for investors holding other currencies to buy copper, suppressing spot demand. In addition, global stocks and crypto assets also fell in tandem during the same period, leading investors to sell commodities to raise liquidity and further magnifying London copper's decline. The VIX climbed to a yearly high, with panic-driven systemic selling being the day's main feature.

3. Industry Spillovers and Investment Lessons Behind the Double Drop

3.1 Chain reactions across the value chain

For different links in the value chain, simultaneous declines in aluminum and copper prices mean very different conditions. Upstream mining companies face shrinking profits, and miners that had planned to expand capacity may need to reassess capital expenditure timing; midstream smelters and processors face the risk of inventory devaluation, and traders who stocked up earlier have had to liquidate quickly, widening spot discounts; downstream manufacturers, by contrast, benefit from lower costs—for example, cable makers, air-conditioner manufacturers and auto parts suppliers may see temporary margin improvement. But if prices remain low for a prolonged period, end customers may further push down purchase prices, squeezing profits across the entire value chain.

3.2 Strategic reflections for investors

For institutional investors and commodity fund managers, this price move once again confirms that "macro trading" dominates the market at present. Relying solely on basic supply-demand logic is no longer enough to navigate volatility; monetary policy, exchange rates, geopolitics and other variables must be integrated into analysis. From an allocation perspective, the cost-effectiveness of base metals is changing in 2025: on the one hand, the long-term demand story remains intact (new energy, AI data centers, etc.), but near-term catalysts are lacking; on the other hand, supply-side rigid constraints (declining copper ore grades, aluminum smelting capacity ceilings) have not disappeared. Therefore, investors are more inclined to build positions in tranches when prices pull back to attractive levels, rather than chasing rallies or panic-selling.

4. Outlook: Where is the Bottom? When Will the Rebound Come?

4.1 Aluminum: Watch the cost floor and China policy signals

In the short term, LME aluminum has strong psychological and technical support around US$3,000 per ton. The average full cost for China's electrolytic aluminum industry is around US$2,800-3,000 per ton (converted). If prices fall below this range, some high-cost capacity will be forced to cut output, which will self-adjust the supply-demand balance. In addition, potential Chinese growth-stabilizing policies (such as faster special bond issuance or easing property purchase restrictions) will be important catalysts for an aluminum price rebound. The inventory turning point is expected in late March, when social inventories will enter a destocking phase.

4.2 Copper: Wait for peak-season validation and supply disruptions

The next key support level for London copper is US$12,800 per ton, the low from April 2024. As the traditional consumption peak season begins in the second quarter, whether China's power-grid investment, air-conditioner production schedules and global power infrastructure projects can deliver as expected will determine whether copper prices can stabilize and recover. Meanwhile, labor negotiations or mine stoppages in major copper-producing countries such as Chile and Peru could act as short-term catalysts for bullish sentiment. It is worth noting that if the Fed delivers a more hawkish signal at its March policy meeting, copper prices could fall further toward the US$12,500 area.

4.3 Overall view: range-bound bottoming with structural divergence

Overall, aluminum and copper are likely to remain weak and range-bound in the short term, but the room for further sharp declines is relatively limited. Their medium- to long-term trends will diverge: copper is more attractive for allocation after the pullback because of rigid new-energy demand and supply constraints; aluminum, by contrast, still needs signs of a recovery in China's property market and a reshaping of the global aluminum trade pattern. Investors should maintain flexible positioning and closely track three core variables: inventories, policy and macro data.

Conclusion

The joint decline in LME aluminum and London copper is essentially the result of a resonance among slowing global economic momentum, tighter monetary conditions and short-term supply-demand imbalance. This round of price correction is both a revision of overly optimistic prior expectations and a window for the market to reassess fundamentals. For industry participants, low prices should be used to lock in forward orders and optimize inventory management; for investors, finding undervalued assets during the risk-off phase is far more important than blindly following the crowd. The winter in the metal market may not be over, but every deep pullback contains the seed of the next cycle's beginning. Only by staying rational and patient can one navigate volatility with steady hands.