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Mid-Nickel",103.5,99.73,3.78,13.78,6.78,[518,519,520,522,524,526,528,530,532,534,536,538],{"date":213,"value":512},{"date":216,"value":513},{"date":219,"value":521},99.19,{"date":222,"value":523},96.02,{"date":225,"value":525},98.23,{"date":467,"value":527},99.24,{"date":329,"value":529},101.29,{"date":339,"value":531},87.61,{"date":341,"value":533},92.44,{"date":344,"value":535},90.96,{"date":347,"value":537},92.24,{"date":350,"value":539},95.09,{"id":541,"uuid":542,"name":543,"slug":544,"full_slug":545,"content":546,"relatedArticles":758,"relatedVideos":759},193821017282741,"76ed6fc8-a433-44d2-93da-7c3107e88241","Copper group Antofagasta agrees spot index-linked sales of copper concentrates","copper-group-antofagasta-agrees-spot-index-linked-sales-of-copper-concentrates","article/copper-group-antofagasta-agrees-spot-index-linked-sales-of-copper-concentrates",{"_uid":547,"date":548,"tags":549,"editor":562,"content":572,"excerpt":724,"featured":51,"reporter":725,"component":736,"seo_title":737,"categories":738,"visibility":747,"data_vis_image":748,"featured_image":751,"seo_description":755,"formattedDate":756,"formattedArticleDate":757},"d65d45f8-5079-424c-8eaa-63630188523b","2026-07-02 00:00",[550,553,556,559],{"slug":551,"name":552},"antofagasta","Antofagasta",{"slug":554,"name":555},"sulphuric-acid","sulphuric acid",{"slug":557,"name":558},"chile","Chile",{"slug":560,"name":561},"copper-prices","copper prices",[563],{"slug":564,"name":565,"content":566},"benjamin-roche","Benjamin Roche",{"job_title":567,"image":568,"bio":570,"linkedin":571},"Editor – Energy Transition Supply Chains",{"filename":569},"https://a.storyblok.com/f/287943243085208/800x800/66d6674fb8/benjamin-roche.png","Benjamin is Benchmark's Editor for Energy Transition Supply Chains, covering both upstream products like critical minerals and downstream products including energy storage systems and electric vehicles. He has previous experience covering trade flows, tariffs and the effects of geopolitics on supply chains.","https://www.linkedin.com/in/benjaminrochecontent/",{"type":573,"content":574},"doc",[575,603,617,628,633,638,648,653,658,665,677,682,687,694,699,704,709,714,719],{"type":576,"attrs":577,"content":578},"paragraph",{"textAlign":49},[579,582,592,594,601],{"text":580,"type":581},"Chilean ","text",{"text":583,"type":581,"marks":584},"copper mining",[585],{"type":586,"attrs":587},"link",{"href":588,"uuid":589,"anchor":49,"target":590,"linktype":591},"/article/copper-supply-expansion-since-2010-offers-reassurance-on-market-tightness-concerns","bf91f239-bb5e-4896-b276-5510df623bb6","_blank","story",{"text":593,"type":581}," group Antofagasta has, according to reports, settled a spot index-linked sale of copper concentrates. This is unusual, as Antofagasta ordinarily sell at set levels rather than floating, spot-linked sales. The company is the de facto negotiator of copper concentrate benchmark ",{"text":595,"type":581,"marks":596},"treatment charges/refining charges",[597],{"type":586,"attrs":598},{"href":599,"uuid":600,"anchor":49,"target":590,"linktype":591},"/article/copper-sellers-explore-tolling-contracts-amid-record-low-tcs","b1812932-00f2-4d7b-b981-b2e774058ff0",{"text":602,"type":581}," (TCs/RCs), so this update may have significant implications.",{"type":576,"attrs":604,"content":605},{"textAlign":49},[606,608,615],{"text":607,"type":581},"A decline in importance of the benchmark system would increase focus on spot TCs at a time when the ",{"text":609,"type":581,"marks":610},"spot market is increasingly tight",[611],{"type":586,"attrs":612},{"href":613,"uuid":614,"anchor":49,"target":590,"linktype":591},"/article/five-copper-market-takeaways-from-cesco-week-2026","aac562d8-8005-4973-a83a-ee2fed8470cc",{"text":616,"type":581}," and the spread between long-term and spot TCs is growing.",{"type":618,"attrs":619},"blok",{"id":620,"body":621},"519d63af-7914-4eea-a091-9f5d34bfafee",[622],{"id":623,"_uid":624,"type":625,"component":626,"fixed_height":627,"use_fixed_height":50,"fixed_height_mobile":627,"fixed_height_tablet":627},"29573319","i-cc5445d4-b7c5-44c4-98b3-2b701d496b3a","visualisation","ContentFlourish","",{"type":576,"attrs":629,"content":630},{"textAlign":49},[631],{"text":632,"type":581},"TC/RCs collapsed in recent years due to a tight concentrate market caused as smelter capacity, particularly in China, has expanded rapidly. Beyond this, high byproduct prices for acid, silver and gold have helped smelter maintain profitability at lower TC/RCs.",{"type":576,"attrs":634,"content":635},{"textAlign":49},[636],{"text":637,"type":581},"If all sales move to spot, says Benchmark copper analyst Albert Mackenzie, we may see spot TCs increase. “Stable, long-term TCs well above the spot market have meant aggregate TCs too are well above the spot market,” he explained. “Without higher long-term levels, the spot market would not have had the capacity to go as low as it has done.”",{"type":639,"attrs":640,"content":642},"heading",{"level":641,"textAlign":49},2,[643],{"text":644,"type":581,"marks":645},"Sign of a potentially significant shift",[646],{"type":647},"bold",{"type":576,"attrs":649,"content":650},{"textAlign":49},[651],{"text":652,"type":581},"Reports so far indicate the deal won’t follow the spot market exactly and will have a floor. There may therefore be some benefit to smelters if they accept spot-linked TCs, especially if they believe acid prices currently sitting at record levels are not sustainable, and that, if they do fall lower, TCs will not then be sustainable.",{"type":576,"attrs":654,"content":655},{"textAlign":49},[656],{"text":657,"type":581},"It isn’t the first time that a miner has agreed spot-linked sales with smelters. BHP has reportedly sold significant amounts of concentrate against spot. However, if Antofagasta was to lead a move to such a system, it would mark a notable shift.",{"type":639,"attrs":659,"content":660},{"level":641,"textAlign":49},[661],{"text":662,"type":581,"marks":663},"What is the benchmark?",[664],{"type":647},{"type":576,"attrs":666,"content":667},{"textAlign":49},[668,670,675],{"text":669,"type":581},"The copper concentrate TC/RC benchmark is the ",{"text":671,"type":581,"marks":672},"de facto",[673],{"type":674},"italic",{"text":676,"type":581}," level at which copper concentrate TC/RCs are agreed, both annually and mid-year. Rather than renegotiate contracts every year, smelters and miners will often roll contracts that are linked to the ‘benchmark’. This should ease negotiations, as each year a major smelter and miner agree a contract first and everyone follows suit.",{"type":576,"attrs":678,"content":679},{"textAlign":49},[680],{"text":681,"type":581},"Historically this was agreed by Japanese smelters though more recently Chinese smelters are the lead negotiators on the smelter side. Freeport and Antofagasta have traditionally been the leaders on the mining side. Due to Freeport’s recent increase in smelter capacity in Indonesia, they no longer negotiate benchmark units. Once Antofagasta agreed benchmark TCs with a Chinese smelter the market broadly followed. However, in the last two years the low TCs have caused negotiations to be hard fought and meant that Chinese and ex-China smelters have had different annual levels.",{"type":576,"attrs":683,"content":684},{"textAlign":49},[685],{"text":686,"type":581},"The benchmark provided industry participants with a broadly known “fair level”, meaning all smelters and miners have achieved roughly similar TCs/RCs. Smelters historically relied heavily on the TCs/RCs; having the certainty of pre-negotiated TCs allowed them to plan finances and borrowing. In most years, the benchmark and spot level have been comparatively close, some years favouring miners and other years favouring smelters.",{"type":639,"attrs":688,"content":689},{"level":641,"textAlign":49},[690],{"text":691,"type":581,"marks":692},"Is this the end of the benchmark?",[693],{"type":647},{"type":576,"attrs":695,"content":696},{"textAlign":49},[697],{"text":698,"type":581},"Firstly, this is the mid-year discussions and its yet to be seen whether this will be the stance Antofagasta take more broadly. It is also not yet clear whether all of Antofagasta’s current mid-year discussions are based around spot-linked pricesor whether some other ground has been conceded to the smelter to agree to spot linked TCs. Some coverage has indicated that there is a “floor” on the spot linked TCs meaning there is a limit to how low they can go.",{"type":576,"attrs":700,"content":701},{"textAlign":49},[702],{"text":703,"type":581},"Also as the benchmark discussions are de facto rather than official it isn’t yet clear whether these discussions are for ‘benchmark’ contracts or potentially new contracts altogether.",{"type":576,"attrs":705,"content":706},{"textAlign":49},[707],{"text":708,"type":581},"More generally Chinese smelters have been more accepting of spot-linked TCs than their European, Korean and Japanese counterparts. Some form of benchmark system may continue to exist outside of China.",{"type":576,"attrs":710,"content":711},{"textAlign":49},[712],{"text":713,"type":581},"The market may also revert back to benchmark TCs, when the market stabilises or find another lead negotiator if Antofagasta don’t seem likely to lead discussions going forward.",{"type":576,"attrs":715,"content":716},{"textAlign":49},[717],{"text":718,"type":581},"“What will happen now? I don’t know,” one European smelter told Benchmark, adding that they needed more information before drawing conclusions.",{"type":576,"attrs":720,"content":721},{"textAlign":49},[722],{"text":723,"type":581},"The benchmark is only the “benchmark” because people agree to follow it so though this news Is seismic its yet to be seen whether the market will be altered altogether.","Chilean copper mining group Antofagasta has, according to reports, settled a spot index-linked sale of copper concentrates. This is unusual, as Antofagasta ordinarily sell at set levels rather than floating, spot-linked sales. The company is the de facto negotiator of copper concentrate benchmark treatment charges/refining charges (TCs/RCs), so this update may have significant implications.\n\nA decline in importance of the benchmark system would increase focus on spot TCs at a time when the spot market is increasingly tight and the spread between long-term and spot TCs is growing.",[726],{"slug":727,"name":728,"content":729},"albert-mackenzie","Albert Mackenzie",{"job_title":730,"image":731,"bio":733,"linkedin":734,"markets_covered":735},"Copper Analyst & Market Reporter",{"filename":732},"https://a.storyblok.com/f/287943243085208/717x799/ffff7198e8/albert.jpeg","Albert is Benchmark's copper reporter, covering both supply and demand on the short term and adding narratives to the data and price movements. Albert writes the copper briefing and a lot of Benchmark's near term copper coverage.","https://www.linkedin.com/in/albert-mackenzie-b34681149/","Copper","article","Antofagasta agrees spot index-linked sales of copper concentrates",[739,741,744],{"slug":740,"name":735},"copper",{"slug":742,"name":743},"critical-minerals","Critical Minerals",{"slug":745,"name":746},"raw-materials","Raw Materials","private",{"id":49,"alt":49,"name":627,"focus":49,"title":49,"source":49,"filename":627,"copyright":49,"fieldtype":749,"meta_data":750},"asset",{},{"id":752,"alt":627,"name":627,"focus":627,"title":627,"source":627,"filename":753,"copyright":627,"fieldtype":749,"meta_data":754,"is_external_url":50},193823138871930,"https://a.storyblok.com/f/287943243085208/1000x644/067cf64537/copper-pic.jpg",{},"Chilean copper mining group Antofagasta has, according to reports, settled a spot index-linked sale of copper concentrates. This is unusual, as Antofagasta ordinarily sell at set levels rather than floating, spot-linked sales.","Jul 02, 2026","2nd July 2026",[],[],1783093094008]