Freeport & Southern Copper: Dr. Copper’s Message — Ignore at Your Own Risk

«Copper has a Ph.D. in economics.»

– Wall Street proverb

Copper.

Or as finance enthusiasts call it: Dr. Copper.

«What are you talking about, Patrick? A metal with a doctorate?» Fair question. Give me the next four minutes and you will never look at a wire the same way again.

Most commodities are stories. Gold is a story about trust. Oil is a story about discipline.

Copper does not do stories.

Copper does arithmetic.

You need a certain number of tonnes to wire a house, turn a motor, string a grid and cool a data centre. There is no substitute at scale, no clever software workaround, no negotiating with the periodic table.

Which is exactly why they gave it the nickname.

Dr. Copper is the one economist on Wall Street with a perfect record — because it has no opinions, only orders. It sits inside every wire and every motor on Earth, so its price is a live readout of what the world is actually doing, not of what economists think it will do. When the world is building, copper is bid. When the world stalls, copper sags.

No press conference. No forecast revision. No apology. And right now, the good doctor is shouting.

Look at the two lines in Chart 1. Demand marches from roughly 28 million tonnes today toward 42 million by 2040, pushed by four engines: a growing world, the electrification of everything, the AI build-out, and the electric vehicle — which carries three to four times the copper of the car it replaces.

Now find the other line. Supply tries to follow, stalls around 2030, and then the two simply come apart.

That white space is the entire investment case. Everything else in this piece is decoration.

So why doesn’t supply just answer?

Because a higher price does not make a new mine appear. It makes one appear in twelve to fifteen years — if the drilling works, the permit clears and the government stays bought. The easy copper, the kind that outcrops at surface, has been found. What is left is deeper, poorer, and in places where the rules tend to get rewritten halfway through.

The cure for high prices is supply. And supply takes a decade to show up. Which leaves exactly one release valve. Price.

Two businesses thrive in this environment.

Enter Freeport-McMoRan.

And Southern Copper.

Chart 1: Global copper supply vs. demand to 2040 — the lines track together, then simply come apart

Freeport-McMoRan & Southern Copper: Two Very Different Ways to Own the Same Hole

If price is the valve, you want to own the people who turn it. Two obvious candidates — and they are not remotely the same instrument.

Southern Copper is the scalpel.

Toquepala and Cuajone in Peru, La Caridad and Buenavista in Mexico. Vertically integrated from pit to finished cathode, sitting on arguably the largest reported reserve base in the industry, parked in the bottom quartile of the global cost curve.

Cost curve? Rank every copper mine on Earth by what it costs to pull a pound out of the ground. That ranking is the cost curve. When the copper price falls, it drops down the list like a waterline — and everybody below it is suddenly producing at a loss.

Simply put: the low-cost king.

How low is low?

Last quarter it produced copper at a cash cost of five cents a pound.

Not five dollars. Five (5!) cents — because the molybdenum, zinc and silver coming up out of the same rock are sold too, and that revenue is subtracted from what the copper cost to produce. Pull enough byproduct out of one hole and the copper starts arriving almost for free.

One wrinkle every investor should know. Grupo México owns roughly 88.9% of the company, so the free float is about a tenth of the shares. That is a feature — an owner-operator with a century-long horizon does not chase deals at the top of the cycle — and a risk, because one shareholder decides everything and the minority comes along for the ride. It also means thin trading, which amplifies every move in both directions.

Freeport-McMoRan is the sledgehammer.

Ten mines, three of them world-class: 49% of Grasberg in Indonesia, 55% of Cerro Verde in Peru, 72% of Morenci in Arizona — together, roughly 70% of total US refined production. It also sits nearer the middle of the cost curve, which is the polite way of saying it is a leveraged bet on the copper price. Move copper ten cents, and about $390 million of annual EBITDA moves with it.

And Grasberg is the whole Freeport story in one word: the prize and the scar.

After the 2025 mud rush, the Block Cave mining rate climbed from 34 to 55 to 69 thousand tonnes a day between April and June, with management guiding to near-full capacity by the end of 2027. A genuine recovery — in a jurisdiction where the licence, the ownership percentage and the export duties have all been renegotiated at gunpoint before.

Fun Fact: in the second quarter, Freeport’s Indonesian operations reported unit net cash credits of $0.81 a pound. Not costs. Credits. The gold coming out of Grasberg was worth more than the entire cost of mining it. The mine did not cost money to run. It paid Freeport to take the copper away.

Now the uncomfortable history. This is an industry that has destroyed capital with real reliability: over-earn at the top, buy the wrong asset with the proceeds — Freeport famously bought oil and gas in 2013 and wrote off billions — then meet the downturn with a wrecked balance sheet.

Both now carry net debt of roughly half a turn of EBITDA. That is new.

And so is what happened to the price in August (Chart 2).

Copper did something it has not done in the entire modern history of the contract.

Not once since men walked on the moon.

Chart 2: High-grade copper (COMEX), monthly, 1969–2026 — an all-time high, through every prior peak

Twenty-One Years, and Southern Copper Never Lost a Cent

A rising metal price flatters everybody. The interesting question is what happens when it stops.

Chart 3 answers it: two decades of net profit margins, side by side.

The orange line is Southern Copper. Its worst year in twenty-one was 12.7% — a trough margin most industrial companies would frame and hang on the wall. Last year: 32.1%.

The blue line is Freeport. Minus 58.8% in 2008. Minus 82.7% in 2015. Minus 27.2% in 2016.

Read that middle number again. In a bad year, Freeport lost 83 cents on every dollar of revenue.

That is not a management indictment. It is a cost-curve picture. A low-cost, high-grade, vertically integrated producer keeps earning when the price breaks. A mid-cost producer stops.

Which is exactly why the market has always paid a premium multiple for Southern Copper. Its 10-year median free cash flow yield sits at 3.8% against Freeport’s 4.6%, its median P/E at 21 against 18. It is not paying for growth. It is paying for the shape of that orange line.

What has changed is that both lines now point up together, and for structural rather than cyclical reasons.

Permitting is slower and ESG scrutiny harsher — which sounds like a cost until you realise it is the single biggest reason no new supply is arriving, and therefore why the assets already permitted have quietly become irreplaceable. Add capital discipline instead of empire-building, and free cash flow going back to owners rather than into somebody’s oil field.

The numbers are not subtle. Neither are the actions.

Both companies send profits and excess cash back to shareholders through dividends and buybacks. Not into value-destroying takeovers.

Freeport has bought back 55.4 million of its own shares since 2021, at an average of $39.80. The stock now trades north of $70. For once in this industry, management bought low.

And Freeport is not standing still. Grasberg is back to near-full capacity by the end of 2027. Its leaching programme — squeezing copper out of waste rock the industry had already written off — runs at 240 million pounds a year today and targets 800 million by 2030, at a fraction of the cost of a new mine. Add the Bagdad expansion in Arizona, and Freeport offers the one thing quality alone cannot buy: volume growth, arriving exactly as the deficit opens.

Wonderful capital allocation. Wonderful numbers, then. But you know our rule — a wonderful business is not automatically a wonderful investment.

So what does Mr. Market say?

Time for the «Good Chart».

Let’s dig in.

Chart 3: Net profit margin, annual, 2005–2025 — Freeport-McMoRan vs. Southern Copper

Copper’s «Good Chart»: The Volatility Is the Toll, Not the Trip

Chart 4 is the stretch since 2022, indexed. Southern Copper up 323%. Freeport up 109%.

Same metal. Same thesis. A spread you could drive a haul truck through.

But look at the left-hand side. Through 2022 and most of 2023 the two lines are braided together. Quality did not announce itself in the flat years. It announced itself when the cycle turned — which is the least convenient possible timing for anybody hoping to buy quality cheaply.

And look at the shape of the orange line on the right. Vertical runs, then flushes of twenty and thirty per cent. Owning the better business did not spare you the turbulence. It only meant the turbulence happened at a higher altitude.

Which brings us to the moat, because in mining it looks nothing like the moats we usually write about. No brand. No switching cost. No network effect.

The moat is geography, geology, scarcity and a permit — a specific orebody, in a specific place, that somebody spent fifteen years earning the right to dig. Heavy assets, low obsolescence — HALO, as we call it. Nobody is coding an app that replaces a tonne of copper in the ground.

Now the honest part.

Both stocks have re-rated hard, and a great deal of good news is already in the price. Copper fell 37% in four months in 2022 — inside precisely the structural story we have just described. Part of this year’s move is tariff front-running: metal pulled forward rather than consumed. Peru has unrest. Indonesia has a licence expiring in 2041.

None of that repairs the deficit. That is the point. The bear case is about the next four quarters; the bull case is about fifteen years of a supply gap that no bad quarter can close.

Which is why we are not writing about a trade. We have made the full macro case for the commodity supercycle in earlier editions — gold, energy, copper and the thirty-year clock sitting behind all three.

And if you are bullish on data centres, on the grid, on electric vehicles — and almost everybody reading this owns something that depends on all three — then you are already bullish on copper. You may simply not own it yet.

Dr. Copper has written the prescription.

The only question left is whether you…

… can sit through the treatment.

Chart 4: Freeport-McMoRan vs. Southern Copper, weekly, indexed over the last five years