June 19, 2026 · Mining
Market overview
Copper traded through the week-ending 19 June in the upper 13,000 USD/t range on the LME, with the official LME cash price at 13,735.50 USD/t on 18 June, equivalent to 13.74 USD/kg, while Trading Economics tracked COMEX copper futures remained around 6.37 USD/lb, or roughly 14,050 USD/t and 14.05 USD/kg, preserving a clear US premium over the London benchmark. This leaves copper below the brief May spike above 14,000 USD/t but still at historically elevated levels, with price action suggesting a market that is consolidating rather than reversing as supply constraints continue to offset softer macro indicators.
Price drivers and near-term outlook
The most credible medium-term support for copper still comes from structural supply analysis rather than short-term macro momentum. As referenced in the 12 June brief, UBS lifted its medium-term deck to 6.0 USD/lb for 2027–29 and its long-term incentive price to 5.50 USD/lb, or about 12,100 USD/t and 12.1 USD/kg, arguing that this is the level needed to unlock 6–7 Mt of additional mine supply by 2035. That framing remains broadly consistent with CRU and Wood Mackenzie thinking cited in recent market coverage: project pipelines are not keeping pace with expected demand growth, ore grades are declining, and new supply is becoming more capital-intensive and slower to permit. The significance of that consensus is that even if near-term growth indicators weaken, the industry is still facing a constrained medium-term supply response. In the near term, the main physical drivers remain tight concentrate availability, uneven scrap supply, and lingering disruption risk at mine level, while demand is still being underpinned by power grid investment, electrification and data-centre buildout. Wood Mackenzie cost-curve work cited in the 12 June brief also indicates that current prices remain well above the 90th–95th percentile fully loaded cost curve of around 3.5–4.0 USD/lb, meaning most incumbent operations remain strongly cash generative even as new projects face much tougher capital discipline. The practical implication is that copper is unlikely to collapse absent a major global demand shock, but it may continue to trade in a broad range while the market waits for clearer evidence on China demand, US policy and the timing of new project approvals.
Geopolitics, war and policy
The most important geopolitical change this week is that the immediate war premium tied to the Strait of Hormuz has started to unwind. Bloomberg reported that President Donald Trump’s interim agreement with Iran has taken effect, shifting market focus toward the resumption of shipping through the Strait and a 60-day negotiation period over Tehran’s nuclear program, while Reuters reported that oil fell sharply after the announcement that hostilities would cease and shipping would resume. For copper, that does not remove geopolitical risk, but it does reduce the probability of an acute energy shock feeding straight through into freight, smelting costs and cross-commodity volatility over the next several weeks.
Over the next few months, the likely effect is a transition from war-driven volatility to policy-driven differentiation. If Hormuz remains open and crude prices stabilise, copper should increasingly trade on mine supply, inventory trends, Chinese demand and US industrial policy rather than on immediate Middle East disruption headlines. That would normally be mildly supportive for producer planning, because lower energy volatility helps smelters, shipping and procurement, but it also means the market’s attention is likely to return quickly to the harder unresolved issue: whether global policy settings are actually sufficient to accelerate new copper supply. That policy question remains central for mining companies. The 12 June brief noted that US trade measures, including the pending Section 232 pathway and earlier tariff proposals for imported refined copper, have already widened COMEX-LME spreads and encouraged pre-emptive US restocking. Even if Middle East tensions ease further, those policy settings are still likely to distort regional metal flows, keep US prices relatively elevated and sustain investor interest in domestic or politically aligned copper supply chains. In practice, miners with exposure to stable jurisdictions, scalable brownfield growth and strong permitting capability are likely to remain better positioned than projects requiring high sovereign-risk tolerance or very long construction timelines.
The broader forecast for the copper mining industry over the balance of 2026 is therefore constructive but more selective. The easing in war risk should remove one source of macro stress, yet it is unlikely to change the structural reality that too few quality copper projects are advancing quickly enough. That points to a market in which price spikes may moderate, but quality copper assets, development-ready pipelines and proven operators should continue to command strategic value.
Implications for mining companies
For producers, current benchmarks remain highly supportive: LME cash near 13,735.50 USD/t and COMEX around 14,050 USD/t leave most existing copper mines operating with strong margins relative to the upper end of the industry cost curve cited in the previous brief. The main issue is not near-term profitability but the cost, timing and execution risk of replacing depleted supply with new tonnes at scale.
Supply, demand and price metrics (USD/t and USD/kg)
Using current and forecast benchmarks, the key reference points are:
• Spot LME official price, 18 June 2026: 13,735.50 USD/t, equivalent to 13.74 USD/kg. • COMEX copper via Trading Economics, 18 June 2026: about 6.37 USD/lb, or roughly 14,050 USD/t and 14.05 USD/kg. • UBS CIO forecasts, as cited in the 12 June brief: September 2026 at 14,000 USD/t (14.0 USD/kg), December 2026 at 14,500 USD/t (14.5 USD/kg), March 2027 at 15,000 USD/t (15.0 USD/kg), and June 2027 at 15,500 USD/t (15.5 USD/kg). • UBS long-term incentive price: 5.50 USD/lb, approximately 12,125 USD/t and 12.1 USD/kg.
These price levels remain well above the cost support referenced in Wood Mackenzie-derived analysis, reinforcing the view that the current market continues to reward incumbent production while challenging the economics and execution of future supply growth.
ConnectOre
ConnectOre is ICAA’s digital platform for technology insights, project case studies and emerging research across the copper value chain, with a particular focus on zero-emissions mining and processing solutions. By combining member-contributed knowledge with its Copper AI engine, it is intended to shorten the path from innovation to deployment at mine and plant level. Go to https://connectore.org
