'Dr. Copper' gets a new diagnosis: Why record copper prices no longer signal a booming economy

"When copper prices rise, the economy is doing well."

That formula held in commodity markets for a long time. Because copper is used across virtually every industry — construction, automobiles, home appliances — its price was seen as a reliable gauge of the global economy's health, earning it the nickname "Dr. Copper."

But copper prices now hitting all-time highs are telling a different story. Analysts say the surge is being driven not by a hot global economy but by AI and power infrastructure investment alongside a supply shortfall.

According to CNBC, US copper futures hit an intraday record of $6.90 per pound on Thursday, setting an all-time high.

Copper is a foundational industrial metal used in construction, automobiles and electronics, as well as AI data centers, power grids and electric vehicles. Historically, rising demand from manufacturing and construction drove prices higher, making copper a leading indicator of global economic activity.

This latest rally, however, is a different story.

CNBC said the record copper prices reflect the convergence of AI infrastructure expansion and a supply shortage — not a global economic recovery.

"The core driver of higher copper prices is investment in data centers and power grids to support the expansion of the AI industry," said William Osnato, head of commodity research at Barchart. "It is structural electrification demand — not a traditional economic recovery — that is pushing prices up."

The intensifying race in generative AI has spurred data center construction around the world. Because AI data centers consume far more electricity than conventional buildings, demand for power infrastructure — transmission and distribution networks, transformers and power cables — is rising in tandem. All of that requires large quantities of copper.

China is also accelerating grid investment. Its power grid spending in the first half of this year rose 13 percent from the same period last year, and the country recently announced a plan to invest about $574 billion to modernize its grid.

Policy moves by the United States and China are adding to supply uncertainty.

President Donald Trump signed an executive order in June imposing 50 percent tariffs on semi-finished copper products and copper-intensive derivatives. China, meanwhile, is pursuing policies to restrict scrap copper supply, deepening concerns about a global shortage.

Tensions rose further after the Democratic Republic of the Congo announced a ban on exports of copper and cobalt concentrate to develop its domestic smelting industry.

Osnato said supply disruptions are rapidly drawing down inventories at London Metal Exchange warehouses and pushing up refining costs.

The dynamic stands in contrast to gold, which has been rallying on central bank buying, geopolitical tensions and safe-haven demand. Copper's price, by contrast, is being driven by structural shifts in industry — AI and the energy transition.

Market analysts say copper is no longer simply a barometer of economic conditions. It is evolving into a strategic asset that reflects AI investment, power infrastructure spending and supply chain realignment ahead of the broader economy. The old formula — rising copper prices mean a booming economy — no longer captures the full picture.

"A new era has arrived even for Dr. Copper," Osnato said. "Copper prices are becoming an indicator that must be read alongside AI, electrification and supply chain risks — not just the state of the economy."