Antofagasta stock gains 3.17 percent as copper shares rise

Published on 09/23/2026 at 14:02 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Antofagasta stock closed at GBP 37.73 on September 22, 2026, after a 3.17 percent gain. Volume reached 661,160 shares on the LSE.

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Antofagasta plc (ISIN GB0000456144) closed at GBP 37.73 on the London Stock Exchange on September 22, 2026, gaining 3.17 percent from the previous close. The move came as the stock traded between GBP 37.00 and GBP 38.45, giving investors a clear measure of the session's range.

Stock gains with FTSE support

The broader UK market also moved higher during the session. Sharecast reported that Antofagasta finished at 3,843.00 pence, up 1.86 percent in its market table on September 22, 2026, while the FTSE 100 closed down 0.3 percent at 10,708.33 points. The different percentage readings reflect different market-data snapshots and underline the importance of using one consistent closing quote when assessing the shares.

Trading activity was substantial: Antofagasta recorded volume of 661,160 shares on the London Stock Exchange on September 22, 2026. The session high of GBP 38.45 stood GBP 0.72 above the close, while the low of GBP 37.00 was GBP 0.73 below it.

Copper exposure remains central

Antofagasta's investment case remains closely tied to copper production and the operating performance of its mining assets. The current market data provide the clearest dated signal in this article: the stock rose 3.17 percent in one completed London session and ended near the upper half of its GBP 37.00 to GBP 38.45 intraday range on September 22, 2026.

For investors, the numerical comparison with the prior close matters more than an undated description of sentiment. A 3.17 percent daily gain is large enough to change the short-term chart position, but the session range also shows that the stock traded GBP 1.45 from low to high before settling at GBP 37.73.

London close sets the reference

Antofagasta closed at GBP 37.73 on its primary London listing on September 22, 2026, with a 3.17 percent daily change and 661,160 shares traded. The dated price, range and volume frame the stock's latest market reaction without mixing it with a secondary quotation.