BHP Shares Slide as Copper Production Guidance Cut at Escondida Mine

Key Facts

Amid shifting dynamics in the base metals sector, BHP Group shares declined 2.71% following a downward revision in its copper production outlook. According to reports, the company anticipates an 11.7% decrease in copper output for fiscal year 2027, primarily driven by an expected 92.7% reduction at its flagship Escondida mine in Chile. This guidance reset is particularly significant as copper accounted for 51% of the group's underlying EBITDA in the most recent half-year period.

This production cut comes as major miners struggle with declining ore grades at aging assets, a trend also observed in recent reports from peers like Rio Tinto and Freeport-McMoRan. Per market data, the scale of the reduction at Escondida—the world's largest copper mine—could impact global supply balances. While BHP has seen record performance in its iron ore division, the heavy reliance on copper for future earnings growth makes this operational update a primary concern for institutional investors.

BHP shares stood at $80.71 at close July 16, 2026, having fluctuated between a day high of $82.72 and a low of $80.3. Investors should watch the $80.3 support level to see if the bearish sentiment persists in the short term. With no major mining-specific catalysts in the immediate economic calendar, the stock's trajectory will likely depend on broader copper price movements and further clarity on the operational challenges in Chile.