Antofagasta (ANTO LN) says it expects a more moderate raw material price environment in H2

Guidance of this kind from a copper producer refers to the input cost line, energy, acid, spares and consumables, rather than to the realised copper price, and the distinction matters because cost deflation and revenue weakness move margins in opposite directions. Producers in this peer set have historically flagged a moderating raw material backdrop after periods in which input inflation outpaced metal prices and compressed unit margins, so the comment reads as a partial unwind of that squeeze. Chilean pure-play copper names of this kind are among the more cost-sensitive large caps in the space, given ore grade decline and the weight of energy and labour in the cost base, and their commentary on inputs has tended to track the broader mining cost curve with a lag. The follow-ons are the treatment and refining charge environment, the company's unit cost guidance at the next production or results update, and whether peers echo the same tone, since a common signal across the complex is what has historically reset consensus cost assumptions rather than a single issuer's remark. As an expectation statement rather than a revised number, the signal is directional and soft.