FTSE 100 news / Companies and sectors / Antofagasta
Antofagasta news analysis
Antofagasta (LSE: ANTO) is in the FTSE 100. 21 of the last 21 days had relevant coverage.
Latest: Tuesday 20 October 2026
+7.0 from 6 relevant stories. Coverage was mainly about the end of the strike at the Centinela mine after unions ratified a new contract, which is good for operations. A JPMorgan price target cut partly offset this.
Tone over time
Coverage of Antofagasta improved between 30 September 2026 and 20 October 2026
Daily news tone, from −10 (clearly bad) to +10 (clearly good). Gaps are days with no relevant stories.
Tone rose -0.9-fold from −8 to 7 between 30 Sep and 20 Oct. Its low was −10 in 10 Oct.
- 11
- 22
- 33
8 days of 21 had fewer than 3 relevant stories, so those points are thin evidence. Numbered markers are the days with the strongest single headline (key below). This is the tone of coverage, not a share price.Source: MarketFrame news analysis
| day | Tone |
|---|---|
| 30 Sep | −8 |
| 1 Oct | −2 |
| 2 Oct | 6 |
| 3 Oct | 9 |
| 4 Oct | −1 |
| 5 Oct | 1 |
| 6 Oct | 6 |
| 7 Oct | −6 |
| 8 Oct | −7 |
| 9 Oct | −8 |
| 10 Oct | −10 |
| 11 Oct | −10 |
| 12 Oct | −6 |
| 13 Oct | −6 |
| 14 Oct | −5 |
| 15 Oct | 4 |
| 16 Oct | −5 |
| 17 Oct | 0 |
| 18 Oct | 9 |
| 19 Oct | 7 |
| 20 Oct | 7 |
Day by day
| Day | Tone | Stories | What the coverage was about |
|---|---|---|---|
| Tuesday 20 October 2026 | +7.0 | 6 | Coverage was mainly about the end of the strike at the Centinela mine after unions ratified a new contract, which is good for operations. |
| Monday 19 October 2026 | +6.8 | 6 | Coverage was mainly about the end of the Centinela strike after unions accepted a new wage deal, which is good for the company, though some noted lingering cost questions. |
| Sunday 18 October 2026 | +8.8 | 4 | Coverage was mainly about the end of the strike at the Centinela copper mine after unions reached a deal, which is good for the company. |
| Saturday 17 October 2026 | +0.3 | 7 | Coverage was mixed: a preliminary deal ended the Centinela strike and the company secured record copper treatment charges in an auction. |
| Friday 16 October 2026 | −5.2 | 24 | Coverage centred on Antofagasta's third-quarter results and 2027 production guidance. |
| Thursday 15 October 2026 | +4.2 | 7 | Coverage mixed a 7% rise in third-quarter copper output, a backed annual forecast and a top copper pick rating from J.P. |
| Wednesday 14 October 2026 | −4.5 | 5 | Coverage centred on the strike at Antofagasta's Centinela copper mine, with talks restarting and the company seeking a resolution. |
| Tuesday 13 October 2026 | −5.7 | 2 | Coverage focused on the labour dispute at Antofagasta's Centinela mine, including a hunger strike, with talks set to resume. |
| Monday 12 October 2026 | −6.3 | 1 | The only relevant coverage was a strike at the Centinela copper mine, with unions due to resume talks on Tuesday. |
| Sunday 11 October 2026 | −9.7 | 1 | The only relevant coverage was about an escalating miners' strike at the Centinela mine. |
| Saturday 10 October 2026 | −10.0 | 2 | Coverage centred on the first-ever strike at the Centinela copper mine, with miners escalating it through a hunger protest. |
| Friday 9 October 2026 | −8.0 | 3 | Coverage focused on a strike at the Centinela copper mine, which unions say could cut November output by half. |
| Thursday 8 October 2026 | −7.3 | 9 | Coverage was dominated by a strike at Antofagasta's Centinela copper mine after pay talks failed, with several outlets flagging supply risk. |
| Wednesday 7 October 2026 | −6.3 | 3 | Coverage centred on RBC trimming its price target on Antofagasta to 3,300p while keeping an Underperform rating. |
| Tuesday 6 October 2026 | +6.3 | 3 | Coverage was mostly about a tennis tournament sharing the name, but the relevant items were mildly positive. |
| Monday 5 October 2026 | +1.3 | 2 | Coverage was thin, with the relevant items being a note weighing strong first-half results against a lower output outlook and a routine weekend share price quote. |
| Sunday 4 October 2026 | −0.7 | 2 | Coverage was thin, with a flat share price note and a piece on the environmental questions around the Boundary Waters mine. |
| Saturday 3 October 2026 | +8.7 | 2 | Coverage was positive, with the shares reported up 3.52% after hours and Berenberg raising its price target on the stock. |
| Friday 2 October 2026 | +5.7 | 2 | Coverage noted Antofagasta shares leading the FTSE 100 higher and Citi rating the stock a Buy. |
| Thursday 1 October 2026 | −2.0 | 5 | Coverage was mixed: labour tension at Centinela, with a potential strike and an equal pay march, weighed against a sharply higher interim dividend and a share price gain. |
| Wednesday 30 September 2026 | −7.7 | 4 | Coverage centred on the threat of a strike by unions at the Centinela copper mine, with a vote due this weekend. |
Sector: Mining