London, May 13, 2026, 09:12 BST
- Rio Tinto’s London shares were trading around 8,200p, up roughly 3.5% from the prior close, as copper futures sat near record territory.
- The move is less about one company headline and more about investors repricing Rio’s copper growth at Oyu Tolgoi, Kennecott and Resolution.
- Bulls see a cleaner copper story; bears point to China iron ore risk, ESG pressure and a share price already near fresh highs.
Rio Tinto plc jumped in early London dealing, with the stock quoted at 8,197p versus a 7,920p prior close after touching 8,268p. That is not a small move for a miner of this size. The market is buying the copper story first, and everything else second.
The reason is simple, but not shallow. Copper futures were quoted around $6.64 a pound, up from a $6.531 prior close and just off an intraday range that reached $6.69; the metal is up more than 42% over the past year. When copper moves like that, investors do not just mark up today’s revenue. They mark up the value of mines that may produce into a tight market years from now.
That matters for Rio right now because the company has spent months trying to convince the market that it is no longer just an iron ore cash machine with some copper on the side. At Bank of America’s metals conference in Miami, Rio listed Chief Executive Simon Trott as the speaker, and the investor message landed on the same day copper was setting fresh highs.
Trott’s recent tone was direct. In the conference transcript, he said Rio has a “winning formula” and then quickly turned to safety, saying nothing mattered more than workers going home safely. That mix matters: management is selling growth, but it is also trying to show discipline after fatal incidents and years of reputational damage. Seeking Alpha
The bullish case rests on copper volume and scarcity. Rio reported 9% year-on-year copper-equivalent production growth in the first quarter; copper-equivalent means output from different metals is converted into one copper-based measure so investors can compare growth across the portfolio. Copper production itself rose 9%, helped by the ramp-up of Oyu Tolgoi, while Pilbara iron ore output rose 13%.
There is also a pipeline angle. Rio has been weighing whether to raise its 17.2% stake in McEwen Copper’s Los Azules project in Argentina, a large undeveloped deposit, while testing its Nuton leaching technology there. Reuters reported that Los Azules targets first production by 2030 and could produce about 204,800 metric tons of copper cathode a year in its first five years.
The bear case is that this is becoming a crowded, expensive trade. Iron ore, still Rio’s profit anchor, was at $111.11 a ton on May 12, down on the day, even though it has risen over the past month. Reuters’ Clyde Russell also noted that China’s iron ore imports look resilient partly because of stockpiling, not because steel demand is roaring; Chinese steel output fell 4.6% in the first quarter and exports fell 9.7% in the first four months.
So the split is clear. Bulls argue Rio deserves a higher copper premium because it has scale, a strong balance sheet, and projects that can matter in a world short of metal for power grids, data centers and electric vehicles. Bears answer that copper tightness can be a supply shock as much as a demand boom, and supply shocks can fade faster than valuation multiples.
The competitive read-through is also strong. BHP’s incoming chief executive Brandon Craig said he would look for growth beyond 2035 through exploration, partnerships and smaller bolt-on deals where value supports them; BHP shares hit a record A$61.61 on Wednesday and were up 31% this year. That is the same market message around BHP, Rio, Glencore and Anglo American: copper assets are scarce, and the large miners are being judged on how they secure more of them.
Prediction markets point to the same conclusion: this is a commodity repricing, not a takeover bid. Polymarket showed only a 1% probability that a Glencore-Rio Tinto sale or merger would be announced by June 30, while Kalshi’s copper contracts showed 55% odds for copper above $6.35 a pound by May 29 and 34% odds above $6.41. In plain English, traders are not paying up for a big Rio-Glencore deal, and they are not treating record copper as risk-free either.
There is another drag the chart may be ignoring today: ESG and social-license risk. Reuters reported that a sacred Aboriginal waterhole in Western Australia had dried for the first time in living memory, with traditional owners blaming years of Rio water pumping; Rio pointed to low rainfall and is backing a desalination plant with the state government. Those issues rarely stop a copper rally on the day, but they can raise project risk, permitting risk and investor scrutiny.
For now, the market is giving Rio the benefit of the doubt. The stock’s move says investors believe copper’s record run can pull Rio’s future cash flows higher faster than iron ore or ESG risks can pull them back down. That is a powerful trade. It is also a less forgiving one, because at 8,000p-plus, Rio now has to deliver the copper growth the share price is starting to price in.
