Zinc prices have reached their highest level in four years on the London Metal Exchange, driven by a severe supply crunch and dramatically depleted Western inventories. LME zinc for cash settlement closed at US$4,107 per ton on August 27, 2026, marking its highest price since June 2022. This represents a 55 percent rally from a mid-2025 trough of approximately US$2,650 per ton, according to reporting from Investing News Network.
The primary driver behind the price surge is the dramatic depletion of physical inventory. LME warehouse stockpiles have collapsed 64 percent from 264,000 tons in December 2024 to roughly 95,000 tons, reaching levels not seen since April 2023. Available metal supplies remain critically tight, creating immediate supply pressures across the physical market.
The inventory squeeze is concentrated in Western markets, while Shanghai Futures Exchange inventories are rising. This geographic imbalance has pushed the premium of imported zinc over domestic Chinese metal to USD 720 per ton, representing the widest spread since 2022. The market is experiencing a projected physical deficit of 87,000 metric tons by late May, stemming from raw material shortages at the production level.
Major zinc producers have reported significant production declines in early 2026. Companies including Glencore and Teck Resources posted sharp output reductions due to aging assets and lower ore grades. According to HSBC forecasting data cited in the article, global zinc production is expected to decline 2.1 percent year-on-year in 2026 to 12.5 million tons.
Additionally, scarce concentrate supplies have driven treatment charges to historic lows, creating additional pressure on Western smelters already contending with elevated energy costs. Despite production challenges, profitability dynamics at the mine level are shifting significantly due to by-product credits. S&P Global Market Intelligence research indicates that global zinc all-in sustaining costs for primary mines will decline 6.4 percent in 2026 to 85.17 cents per pound.
However, this improvement is not driven by enhanced mining efficiency. Instead, skyrocketing silver and lead credits are offsetting core extraction costs. Zinc deposits are predominantly polymetallic in nature, meaning zinc mining typically produces significant quantities of silver and lead as by-products.
With silver forecast to average US$73.35 per ounce in 2026 and lead holding near US$2,000 per metric ton, these by-product credits have become decisive for mine competitiveness. At current precious metal prices, credits from silver and lead production can completely offset zinc mining costs for certain operations, generating negative reported zinc costs. Major zinc producers exposed to the LME price rally have experienced significant equity gains since January 2026.
However, analysts expect zinc prices to eventually stabilize despite near-term elevation. Meaningful relief for the zinc concentrate market depends on new supply coming online. Ivanhoe Mines' Kipushi project in the Democratic Republic of Congo is expected to deliver up to 290,000 metric tons of zinc in 2026, which could help address supply shortages.
The prolonged rally defies earlier expectations of a global zinc surplus that analysts predicted in early 2026. Instead, severe concentrate shortages have pushed the market into a structural deficit that current Chinese inventory gains cannot offset, according to the article.
Source: investingnews.com