Freeport-McMoRan's Grasberg Growth Is Real — but the Stock Is a Copper-Price Bet

On September 10, Freeport-McMoRan fell about 8% in a session where no mine flooded, no contract was lost, and no guidance was cut. Southern Copper and Teck Resources dropped roughly 7% in the same hour. The three largest copper producers moved like one stock because, in a year like this, they essentially are one stock — a bet on a single number: the price of copper. Freeport, Teck and Southern Copper sank in lockstep when tariff doubt reversed a record rally, and that coordination is the honest picture of what owning Freeport means.

Freeport is the world's largest publicly traded copper producer, and unlike a pipeline or a contracted midstream operator, none of its cash flow is insulated from the commodity. There is no fee-based floor. Management's own model makes the exposure concrete: each 10-cent move in copper is worth roughly $390 million in annual EBITDA, with the company generating about $13 billion at $5 copper and about $20 billion at $7 copper. Every 10-cent change in the copper price moves Freeport's EBITDA by roughly $390 million, which is why the earnings swing from one metal price to another is larger than most growth projects will ever add. Volume is the subplot; copper is the plot.

That matters right now because the subplot — the Grasberg ramp-up and the U.S. leaching push that headline writers lead with — is real but is exactly what it sounds like: more pounds, not more insulation. Grasberg's underground block-cave production doubled during the second quarter, from an April average of 34,000 metric tons a day to 69,000 in June, and management targets 65% of full capacity in the second half of 2026, 80% by mid-2027, and full capacity by the end of 2027. Block-cave production at Grasberg doubled during the quarter, from an April average of 34,000 metric tons per day to 69,000 in June, with the ramp guided to 65% of capacity in the back half of 2026 and full capacity by the end of 2027. In the U.S., leaching optimization is aimed at a 300-million-pound annual run rate by the end of 2026 and an 800-million-pound-a-year opportunity over time, part of a set of initiatives that could lift domestic output by roughly 60% by 2030, alongside a potential Bagdad expansion with a preliminary capital estimate near $4.5 billion. Leaching is targeted at a 300-million-pound annual run rate by the end of 2026 and an 800-million-pound-a-year opportunity beyond that. All of this is legitimate, and it is also already priced in, because the money it produces still depends on what copper sells for when the pounds actually come out.

What the market is pricing is the part worth stopping on. Freeport has risen roughly 44% this year — a move that tracked Southern Copper and Teck almost exactly, the signature of a commodity rally rather than company outperformance — while copper itself traded at record levels, averaging about $5.93 a pound through the first half of 2026 and closing near $6.30 on July 22 after roughly doubling over the prior year on electrification and data-center demand. Copper averaged about $5.93 a pound year-to-date through June and closed near $6.30 on July 22, after surging on AI data-center and infrastructure demand. From the trough of $35 a little over a year ago, the stock now trades near the top of its 52-week range. Freeport's shares had gained about 44% year-to-date in 2026.

Here is the number that should give a value-minded buyer pause: Freeport's trailing price-to-earnings multiple is about 35, while its forward multiple is roughly 45. A forward multiple above the trailing one is the market's own arithmetic saying it expects earnings next year to be lower than the last twelve months — the price already shades in a copper pullback, not a continuation of the $6 handle. Copper prices surged to record highs and briefly exceeded $14,500 a tonne intraday in January 2026, and forecasters from Goldman Sachs to J.P. Morgan have argued the metal will come down from those levels. You are not buying an undervalued miner at these prices; you are buying a copper view that the market has already partly discounted.

The balance sheet is the one place the story has genuinely improved, and it deserves credit. The leveraged, covenant-hemmed miner that nearly broke in the 2016 downturn is gone; today Freeport carries net debt near $5 billion against roughly $32 billion of equity, a debt-to-equity ratio around 0.3, and a fortress-like balance sheet by its own historical standards. Survival is no longer the question. But cheapness is also gone — which is the point. A margin of safety, the whole reason to own a commodity producer through the down years, has been spent on a 44% run and a premium valuation.

So the decision an investor actually faces is not whether Freeport is a good company. It is — the growth plan is credible and the balance sheet is clean. The decision is whether you want a copper-price position after the metal roughly doubled, with the market itself already shading cash flows lower in its forward multiple and the stock falling 8% in a single session the moment sentiment turned. The Grasberg ramp and the leaching program will determine how many pounds Freeport sells. The copper price will determine whether those pounds make the stock a bargain or an expensive way to take a commodity bet. For a name trading near its high with no margin of safety left, the execution story is the decoration; the metal price is the position.