Chile’s Antofagasta Plc has approached Chinese copper smelters with a proposal to price contractual sales of copper ore using spot-market indexes, a fresh sign that a decades-old system based on fixed-price deals is under strain.

Source: [Bloomberg Markets](https://www.bloomberg.com/news/articles/2026-06-17/copper-miner-antofagasta-seeks-to-link-ore-sales-to-spot-market)

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