LME zinc hits $3,990 as cash premium at $139 underscores tightening supply
AI Market Summary
LME zinc has surged to a four-year high amid very low exchange inventories, elevated cash-to-three-month backwardation, and a sharp, unexpected decline in global mined output in H1 2026. Record-low smelter treatment terms signal intense competition for scarce concentrates, pressuring Western smelter margins and raising the risk that today's squeeze evolves into longer-lasting tightness. China's relative supply advantage appears insufficient to fully ease LME tightness.
Impact level
● Medium
Affected assets
NCCOZINC2USD/USDT-0.79%
AI Insight · NCCOZINC2USD/USDTAI Insight
▲ Bullish
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LME three-month zinc rose to $3,990 per metric ton on Monday, a four-year high, while the cash premium, though down from above $230 last week, remained elevated at $139, pointing to severe tightness. After global zinc mine output briefly rebounded by 4.8% last year, production fell 2.6% year on year in the first half of 2026, reversing earlier expectations of a modest recovery. New International Lead and Zinc Study Group data show global mine output dropped a cumulative 8.6% between 2015 and 2025, reinforcing longer-term supply-side shrinkage risks.
