Copper Market Bubble Concerns Rise as Inventories Surge

Copper Market Bubble Concerns Intensify Despite Record Stockpiles

Copper market bubble concerns have resurfaced as prices climb alongside swelling inventories. Veteran analyst John E. Gross raised fresh questions in his long-running publication, The Copper Journal. He has tracked the red metal market for nearly four decades.

Gross warned that elevated copper prices may reflect speculative excess. He observed heightened volatility across asset classes. He cited swings in Bitcoin and near-record levels in gold and silver.

However, copper’s price behavior troubles him most. Prices and inventories have climbed simultaneously. Historically, rising supply pressures prices lower.

As of early March, copper traded at $6.05 per pound. The benchmark three-month contract on the London Metal Exchange set that valuation. Meanwhile, exchange inventories reached levels unseen in decades.

Exchange Data Fuels Copper Market Bubble Concerns

Copper market bubble concerns gained traction after February inventory data. Gross reported a record monthly increase of 258,756 metric tons. Total exchange stocks approached 1.2 million metric tons.

Warehouses linked to Comex, the London Metal Exchange, and the Shanghai Futures Exchange all posted sharp gains. Comex inventories rose above 545,000 metric tons. LME warehouses held over 253,000 metric tons. Shanghai stocks climbed past 391,000 metric tons.

Gross noted that total inventories nearly doubled year over year. Stocks stood near 615,000 metric tons in February 2025. They now approach 1.2 million metric tons.

Investors still defend bullish copper forecasts. They cite accelerating artificial intelligence infrastructure. They also reference potential U.S. stockpiling initiatives.

Demand Drivers Face Scrutiny

Gross questioned whether expectations now exceed reality. He acknowledged that AI expansion will consume more copper. He also referenced a proposed U.S. critical minerals reserve.

However, he highlighted China’s stable supply conditions. China refines more copper than any other nation. The country has expanded electric vehicle infrastructure without acute shortages.

Therefore, Gross sees no clear evidence of a physical supply deficit. He compared current enthusiasm to past speculative episodes. He asked whether copper prices can sustain current levels without tighter fundamentals.

SuperMetalPrice Commentary:

Copper market bubble concerns merit serious attention in today’s volatile commodity cycle. Exchange inventories signal ample near-term supply. Yet macro themes such as AI electrification and strategic stockpiling support sentiment. If demand growth fails to absorb rising stocks, price corrections could follow. However, structural electrification trends may still anchor long-term bullish momentum.