FTSE 100 news / Companies and sectors / Antofagasta / Centinela unions reach deal ending strike
Centinela unions reach deal ending strike
−2.1 slightly negative
Workers at Antofagasta's Centinela copper mine in Chile went on strike after talks failed.
How each outlet covered it
| Outlet | Headlines | Tone |
|---|---|---|
| Reuters | 6 | −1.1 |
| Mining.com.au | 4 | −2.1 |
| Bloomberg | 3 | −2.5 |
| MINING.COM | 3 | −5.9 |
| MarketScreener | 2 | +6.7 |
| IndexBox | 2 | +1.5 |
| Seeking Alpha | 2 | +1.4 |
| GuruFocus | 2 | +1.1 |
| Mining Journal | 2 | +0.8 |
| TradingView | 2 | 0.0 |
| AD HOC NEWS | 2 | −1.5 |
| Kalkine Media | 2 | −5.4 |
| Shanghai Metals Market | 2 | −7.5 |
| Investing.com | 1 | +9.2 |
| Discovery Alert | 1 | +5.0 |
| Newsquawk | 1 | +3.3 |
| Simply Wall Street | 1 | −5.8 |
| riotimesonline.com | 1 | −5.8 |
| Finimize | 1 | −6.7 |
| NAI500 | 1 | −8.3 |
| Briefs Finance | 1 | −8.3 |
| Mining Magazine | 1 | −8.3 |
| teleSUR English | 1 | −9.7 |
| BigGo Finance | 1 | −10.0 |
Day by day
Tuesday 20 October 2026
Unions ratified the contract, ending the Centinela strike.
- +10.0 Centinela strike ends as unions and Antofagasta reach deal - www.mining-journal.com
Strike ends after agreement with unions - +10.0 Antofagasta workers end strike at Centinela mine after ratifying deal with unions (ANFGF:OTCMKTS)
Workers ratified deal, ending Centinela strike - +9.7 Centinela strike ends as unions ratify Antofagasta contract - News and Statistics
Unions ratified contract, strike over - +9.2 Antofagasta's Centinela Mine Strike Ends, ANFGF Dividend Outlook Remains Stable
Centinela strike ended and dividend outlook stable
Monday 19 October 2026
Strike ends with a 36-month deal.
- +9.2 Antofagasta’s Centinela strike ends after deal with unions By Reuters
Centinela strike ended after union deal, restoring operations. - +8.3 Antofagasta Workers Conclude Strike After Accepting New Wage Offer
Workers accepted wage offer, ending strike. - +5.0 Minera Centinela Strike Ends With 36-Month Deal, Cost Questions Linger
Strike ends with 36-month deal, though cost questions remain. - +1.7 Weekly Recap: Q3 copper +7%, guidance and Centinela strike over discrimination
Recap mentions Q3 copper up 7% and Centinela strike; mixed.
Sunday 18 October 2026
Outlets report Centinela unions reached a preliminary deal ending the strike.
- +10.0 Antofagasta's Centinela strike ends after deal with unions
Strike at Centinela mine ends after union deal, restoring operations - +9.5 Antofagasta Workers to End Strike, Easing Chile Copper Tensions
Workers to end strike, easing tensions at the company's Chile operations - +8.5 Unions at Antofagasta’s Centinela copper mine reach preliminary deal
Preliminary union deal at Centinela mine reduces labour disruption risk
Saturday 17 October 2026
Striking unions at Centinela reached a preliminary deal ending the strike.
- +9.2 Striking unions at Antofagasta's Centinela copper mine reach preliminary deal, ending strike
Strike at Centinela mine ends with preliminary deal, removing production risk. - −1.7 Key facts: Centinela strike, Antofagasta plc; Q3 steady; cash costs up
Steady Q3 but higher cash costs and strike mentioned.
Friday 16 October 2026
Reports say strike talks at Centinela hit another wall with no breakthrough, while production is at normal levels.
- −7.0 No breakthrough in talks at Antofagasta's striking Centinela copper mine, unions say
Strike talks at Centinela stall - −6.7 Strike Talks At Antofagasta’s Centinela Mine Hit Another Wall
Centinela strike talks hit another wall - +3.3 Antofagasta production at ‘normal levels’ despite strike
Production at normal levels despite strike
Thursday 15 October 2026
Antofagasta says output is on track despite the deepening Centinela strike.
- −5.8 Antofagasta (LSE:ANTO) Strike Deepens At Centinela, Is The Stock Already Fully Valued?
Deepening strike at Centinela plus valuation concerns - +5.0 Antofagasta Minerals says output on track despite Centinela strike
Company says output on track despite strike - −2.5 FTSE 100 Copper Miner Antofagasta (LSE:ANTO) Centinela Strike and Tight Supply Put 2026 Guidance in Focus
Strike and supply tightness put guidance in focus
Wednesday 14 October 2026
Unions and Antofagasta restart negotiations over the Centinela strike.
- −8.3 A workers’ strike at Antofagasta’s Centinela copper mine in Chile coul
Strike at Centinela could disrupt copper output. - −6.7 Antofagasta Minerals’ Centinela mine and the Minera Esperanza and Dist
Centinela and other operations tied to labour dispute issues. - −1.7 Striking unions and Centinela copper mine restart negotiations
Talks restarting at Centinela eases strike worries slightly, but strike ongoing. - +0.8 Antofagasta seeks Centinela copper strike resolution
Company seeking resolution to strike; constructive but unresolved.
Monday 12 October 2026
Centinela and unions are to resume talks on Tuesday amid the strike.
- −6.3 Centinela copper mine, unions to resume talks Tuesday amid strike
Strike at Antofagasta's Centinela copper mine threatens output; talks resuming offers some hope
Sunday 11 October 2026
teleSUR reports Chilean miners escalating the Centinela strike.
- −9.7 Centinela Mine Strike: 5 Critical Facts as Chilean Miners Escalate
Strike escalating at Centinela, Antofagasta's copper mine, threatens output.
Saturday 10 October 2026
Reports say the first-ever strike escalated into a hunger protest, with JPMorgan warning of output impact.
- −10.0 Centinela Copper Mine in Chile Hit by First-Ever Strike; JPMorgan Warns Output Impact Could Be "Quite Significant"
First-ever strike at Centinela; JPMorgan warns of significant output impact. - −9.2 Antofagasta Miners Escalate Copper Strike With Hunger Protest
Strike by miners escalating with hunger protest threatens operations.
Friday 9 October 2026
Centinela workers struck, and unions say it could halve November output.
- −10.0 Strike could cut November output at Chile’s Centinela copper mine by half, unions say
Strike could halve November output at Antofagasta's Centinela mine - −8.3 Chilean Centinela Copper Mine Workers Strike, Adding Further Uncertainty to Global Copper Supply
Centinela workers strike adds uncertainty to output - −4.7 Centinela strike tests Antofagasta stock as output guidance holds
Strike tests the stock, though output guidance holds
Thursday 8 October 2026
Workers at Antofagasta's Centinela copper mine in Chile went on strike after talks failed.
- −8.3 Antofagasta Centinela strike raises copper risks
Strike raises copper supply risks for Centinela - −8.0 Antofagasta’s Centinela strike adds copper supply risk
Centinela strike adds copper supply risk - −7.8 Antofagasta Copper Miners Strike as High Prices Fan Tensions
Strike at its mines amid tensions over high prices - −7.5 Workers at Chile's Centinela copper mine strike after talks fail
Strike at Centinela mine after failed talks - −7.5 Workers at Chile’s Centinela copper mine set to strike after talks fail
Centinela workers set to strike after failed talks - −7.2 Antofagasta copper miners set to strike after labor talks fail (ANFGF:OTCMKTS)
Miners set to strike after labour talks fail - −7.0 Antofagasta's (ANFGF) Centinela Mine Workers Set to Strike Amid Pay Dispute
Centinela workers set to strike over pay dispute - −6.7 Copper Prices Recover as 700+ Workers Strike at Antofagasta's Centinela Mine in Chile
700+ workers strike at Centinela; copper prices recover
Friday 2 October 2026
Antofagasta faces a Chile strike vote and Citi rates the stock Buy.
- +1.7 Antofagasta faces Chile strike vote and Citi rates Antofagasta stock Buy
Strike vote risk offset by Citi Buy rating
Thursday 1 October 2026
Centinela faces potential strike action, and workers marched for equal pay.
- −8.3 Antofagasta's Centinela faces potential strike action
Potential strike at Centinela threatens output. - −8.3 Antofagasta's Centinela faces potential strike action - mining-journal.com
Duplicate report of potential Centinela strike action. - −5.8 Antofagasta Minerals Workers March for Equal Pay in Chile
Workers marching over equal pay signals labour tension.
Wednesday 30 September 2026
Unions at Centinela are ready to strike, with copper price holding above $14,400.
- −9.7 Unions at Antofagasta's Centinela copper mine ready for strike
Strike threat at Centinela mine risks output and costs - −8.3 Could Antofagasta (LSE:ANTO) Stock Feel The Strain As Centinela Unions Vote On A Strike This Weekend?
Strike vote at Centinela could pressure the shares - −3.3 Copper price holds above $14,400 as Chile strike risk grows
Copper price strength offset by Chile strike risk to supply