{"id":71504,"date":"2026-09-07T15:08:11","date_gmt":"2026-09-07T19:08:11","guid":{"rendered":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/copper-hits-record-14533-ton-as-ai-demand-and-tariff-fears-ignite-supply-squeeze\/71504\/"},"modified":"2026-09-07T15:08:11","modified_gmt":"2026-09-07T19:08:11","slug":"copper-hits-record-14533-ton-as-ai-demand-and-tariff-fears-ignite-supply-squeeze","status":"publish","type":"post","link":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/copper-hits-record-14533-ton-as-ai-demand-and-tariff-fears-ignite-supply-squeeze\/71504\/","title":{"rendered":"Copper Hits Record $14,533\/Ton as AI Demand and Tariff Fears Ignite Supply Squeeze"},"content":{"rendered":"<h2>Key Takeaways<\/h2>\n<ul>\n<li><strong>Copper prices reached an all-time high of $14,533 per metric ton<\/strong> on the London Metal Exchange (LME) on September 7, 2026, surpassing the previous record set in January.<\/li>\n<li><strong>The metal has surged 17% year-to-date and 47% over the last 12 months<\/strong>, driven by a structural mismatch between aging mine supply and explosive demand from AI data centers and power grids.<\/li>\n<li><strong>Aggressive U.S. stockpiling is draining global liquidity<\/strong>, with traders rushing hundreds of thousands of tons into American warehouses to front-run anticipated import tariffs.<\/li>\n<li><strong>Major miners are struggling to maintain output<\/strong>, as declining ore grades at massive sites like Escondida and operational setbacks at Freeport-McMoRan (<a href=\"\/stock\/FCX\">FCX<\/a>) assets constrain supply.<\/li>\n<\/ul>\n<h2>Record-Breaking Rally Driven by Policy and Physics<\/h2>\n<p>Copper futures reached a historic milestone on Monday, touching <strong>$14,533 per ton<\/strong> on the LME. This powerful rally is the result of a &quot;perfect storm&quot; where short-term geopolitical maneuvers are colliding with long-term industrial shifts. <em>Market sentiment remains overwhelmingly bullish<\/em> as the critical metal becomes a central pillar of both the artificial intelligence revolution and the global transition to renewable energy.<\/p>\n<p>The immediate catalyst for the price spike is the anticipation of expanded U.S. tariffs on refined metal imports. Under the current administration, traders have moved record volumes of copper into New York&#39;s Comex warehouses to capture higher domestic premiums. This massive relocation has effectively &quot;trapped&quot; metal in the U.S., creating an artificial deficit in the rest of the world and forcing LME prices to record levels to attract remaining supplies.<\/p>\n<h2>AI and Power Grids: The New Demand Frontier<\/h2>\n<p>Beyond trade policy, the fundamental demand for copper is undergoing a structural transformation. <strong>AI data centers<\/strong> have emerged as a price-insensitive buyer, requiring massive amounts of copper for power distribution, cooling systems, and high-density cabling. Analysts estimate that a single <strong>1-gigawatt AI factory<\/strong> can require up to <strong>50,000 metric tons of copper<\/strong>, a scale of consumption that is reshaping grid planning globally.<\/p>\n<p>This &quot;AI trade&quot; is being layered on top of existing demand from the <strong>renewable energy sector<\/strong> and the urgent need for <strong>power grid modernization<\/strong>. As countries race to electrify their economies, the International Energy Agency (IEA) warns that existing and planned mining projects may only satisfy <strong>70% of projected demand by 2035<\/strong>, leaving a massive shortfall that continues to provide a floor for elevated prices.<\/p>\n<h2>Supply Constraints: Aging Mines and Falling Grades<\/h2>\n<p>While demand sky-rockets, the world\u2019s &quot;aging fleet&quot; of copper mines is failing to keep pace. Major producers like Codelco and Freeport-McMoRan (<a href=\"\/stock\/FCX\">FCX<\/a>) have reported declining output due to deteriorating ore quality and technical setbacks. At <strong>Escondida<\/strong>, the world&#39;s largest copper mine, feed grades have dropped from <strong>1.02% to 0.90%<\/strong>, forcing operators to process significantly more rock just to maintain steady production levels.<\/p>\n<p>The difficulty of bringing new supply online is further exacerbated by long lead times, with the average copper project taking <strong>over 17 years<\/strong> from discovery to first production. With few &quot;easy&quot; deposits left to develop, the industry is increasingly looking toward M&amp;A activity, such as BHP (<a href=\"\/stock\/BHP\">BHP<\/a>)&#39;s pursuit of rival miners, rather than greenfield exploration. <em>This lack of new supply ensures that the market remains in a state of chronic tightness for the foreseeable future.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Copper prices reached an all-time high of $14,533 per metric ton on the London Metal Exchange (LME) on 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