Strike at Antofagasta's Centinela Mine Threatens Global Copper Supply

Key Facts

1Workers at Antofagasta's Centinela mine in Chile have commenced a strike following failed government mediation over pay and benefit disparities.

2The Centinela mine accounts for over 35% of Antofagasta's total production, having produced 240,400 metric tons in 2025.

3Labor unions warned that the mine could begin reducing copper production within two weeks if the walkout persists.

Workers at Antofagasta's Centinela mine in Chile have commenced a strike following the failure of government-led mediation regarding pay and benefit disparities. Labor unions warned that the facility could begin reducing copper production within two weeks if the walkout persists, according to Bloomberg.

The Centinela mine is a critical asset for the company, accounting for over 35% of Antofagasta's total production with an output of 240,400 metric tons in 2025, JPMorgan reported. In equity markets, ANFGF closed at $49.44 on October 8, 2026, while JPM closed at $331.42 on the same date.