Antofagasta stock heads ahead of the open after a 3.17 percent gain

At the close on September 22, 2026, Antofagasta stock ended at GBP 37.73 on the London Stock Exchange after trading between GBP 37.00 and GBP 38.45.

Antofagasta stock closed at GBP 37.73 on the London Stock Exchange on September 22, 2026, up 3.17 percent. The shares traded from GBP 37.00 to GBP 38.45, while 661,160 shares changed hands during the session.

September 22, 2026 in numbers

Antofagasta plc (ISIN GB0000456144, LSE: ANTO) added 3.17 percent on September 22, 2026, according to the dated London closing data. Its GBP 1.45 session range placed the close GBP 0.72 below the high and GBP 0.73 above the low.

The FTSE 100 closed at 10,708.33 points on September 22, 2026, down 0.3 percent. Antofagasta therefore gained 3.17 percent while the reference index fell 0.3 percent in the same session, a difference of 3.47 percentage points. As Reuters reported on September 23, 2026, unions at the Centinela mine called a strike vote after negotiations reached an impasse.

September 24, 2026 outlook

Scheduled United States jobless claims and building-permit data are due on September 24, 2026, at 8:30 a.m. Eastern time, according to SVMUU. The releases can affect rate expectations and broader demand-sensitive materials shares.