Copper is nicknamed “Dr Copper” because traders joke that it has a PhD in economics: the metal goes into buildings, power grids, vehicles and electronics, so its price tends to rise when the world economy is expanding and fall when it is slowing. China uses more than half of the world’s refined copper, which makes Chinese data the single biggest influence, and electrification is adding a new layer of long-term demand.
Key takeaways
- Copper demand follows construction, manufacturing and power investment, which is why the price is watched as an economic signal.
- China accounts for more than half of global refined copper consumption.
- Chile is the largest mine producer, followed by Peru and the Democratic Republic of Congo, so strikes and politics there affect supply.
- An electric car uses more than twice as much copper as a conventional one, and grids and renewables are copper-intensive.
- LME copper is quoted in dollars per tonne, COMEX copper in dollars per pound. One tonne is about 2,204.6 pounds.
| Nickname | Dr Copper |
|---|---|
| Main exchanges | London Metal Exchange (LME); COMEX, New York |
| Quote units | LME: US dollars per tonne · COMEX: US dollars per pound |
| Conversion | $ per pound × 2,204.6 = $ per tonne |
| COMEX futures contract | 25,000 pounds |
| Largest consumer | China, more than half of refined demand |
| Largest mine producer | Chile |
| At Marketsall | Not currently offered; available commodities are listed on the Commodities page |
Why is copper called Dr Copper?
Almost every form of economic activity uses copper. It carries electricity in buildings and grids, it is in motors, plumbing and circuit boards, and demand for it rises early in an expansion when construction and factory orders pick up. Because futures traders price in those changes quickly, the copper price has often turned before official economic data did. The diagnosis is not always right: supply disruptions, inventory swings and speculation can move copper with no message about the economy at all.
What moves copper prices?
| Driver | How it tends to work | What to watch |
|---|---|---|
| China | Property construction, grid investment and manufacturing in China drive more than half of demand. | China PMIs, credit and property data |
| Global manufacturing | Factory activity elsewhere adds to or subtracts from Chinese demand. | PMI surveys |
| Mine supply | Strikes, ore grades, water shortages and politics in Chile, Peru and the DRC can cut output. | Company production reports, labour negotiations |
| Exchange inventories | Falling stocks in LME, COMEX and Shanghai warehouses signal tightness. | Daily warehouse stock reports |
| The US dollar | A stronger dollar tends to weigh on copper, as on other commodities. | how the US dollar affects commodities |
| Electrification | Electric vehicles, renewables and grid upgrades raise long-term demand expectations. | EV sales, grid investment plans |
LME vs COMEX: two prices for one metal
| Contract detail | LME (London) | COMEX (New York) |
|---|---|---|
| Unit | US dollars per tonne | US dollars per pound |
| Contract | 25 tonnes | 25,000 pounds (about 11.3 tonnes) |
| Reference contract | Three-month forward | Nearest active month |
| Example | $10,000 per tonne | About $4.54 per pound |
| Used for | Global physical contracts | US pricing; many CFD providers |
The two normally track each other after conversion. They can diverge when trade policy changes the cost of bringing metal into the United States; in 2025 tariff announcements pushed COMEX well above the LME for a time. Check which price, and which unit, your symbol follows in the contract specification.
How reliable is copper as an economic signal?
| Copper is more informative when… | Copper is less informative when… |
|---|---|
| The move is matched by other industrial metals and by equity indices | A strike or accident has cut supply |
| Chinese data confirms the direction | Tariffs or sanctions are distorting regional prices |
| The dollar is stable | The dollar is moving sharply |
| Inventories are moving the same way | Speculative positioning is extreme |
Copper also links to currencies. The Australian dollar, the Chilean peso and other commodity currencies tend to move with industrial metals; see the AUD/USD guide and risk-on vs risk-off.
Copper vs gold
| Feature | Copper | Gold |
|---|---|---|
| Main demand | Industry and construction | Investment, central banks, jewellery |
| In a growth scare | Tends to fall | Tends to rise |
| Key country | China | United States (rates and dollar) |
| Typical daily move | 1.5–2.5% | 1–2% |
| Read more | This guide | XAUUSD guide |
The ratio of copper to gold is sometimes used as a gauge of growth optimism: rising when investors favour industrial assets, falling when they favour safety.
What it costs to trade copper as a CFD
A copper CFD tracks the futures price without delivery of metal. See what a CFD is.
| Cost | When it applies | Note for copper |
|---|---|---|
| Spread | Every trade, at entry | Wider than gold or oil in percentage terms; tightest in London and New York hours |
| Commission | Depends on instrument and account type | Varies by provider |
| Swap / overnight financing | Positions held past the daily rollover | Depends on the provider’s financing method. |
| Contract rollover | Only if the CFD is based on a futures contract | The price adjusts when the underlying contract changes. |
| Slippage | Fast markets, gaps, news | Most likely on Chinese data, tariff news and at the weekly open |
Key risks
China dependence. One country’s data and policy can dominate the price.
Policy shocks. Tariffs and export rules have caused sudden regional price gaps.
Unit confusion. Per-pound and per-tonne quotes differ by a factor of about 2,200; mistakes in sizing are easy.
Leverage. Daily moves of 2% are normal. See position sizing and gap risk.
Risk warning. Trading CFDs carries a high level of risk since leverage can work both to your advantage and disadvantage. As a result, the products offered on this website may not be suitable for all investors because of the risk of losing all of your invested capital. You should never invest money that you cannot afford to lose, and never trade with borrowed money.
Is copper available at Marketsall?
Copper is not currently offered at Marketsall: industrial metals are not available on the MetaTrader 5 server. The commodities that are available are listed, with live prices, on the Commodities page.
Frequently asked questions
Why is copper called Dr Copper?
Copper is used across construction, power, vehicles and electronics, so demand for it rises and falls with economic activity. Traders say it has a PhD in economics because its price has often signalled turns in the global economy before official data did.
What moves copper prices?
Chinese demand is the largest influence, since China uses more than half of the world’s refined copper. Global manufacturing activity, mine supply in Chile, Peru and the Democratic Republic of Congo, exchange inventories, the US dollar and long-term electrification demand are the other main drivers.
What is the difference between LME and COMEX copper?
The London Metal Exchange quotes copper in US dollars per tonne and is the reference for global physical contracts. COMEX in New York quotes in US dollars per pound. Multiply the per-pound price by about 2,204.6 to compare it with the per-tonne price.
Is copper a good indicator of the economy?
It is a useful but imperfect one. Copper tends to reflect industrial demand, but strikes, inventory changes, tariffs, the dollar and speculation can move the price without any change in the economy, so it is best read alongside other indicators.
How does China affect copper prices?
China consumes more than half of global refined copper, mainly for construction, power grids and manufacturing. Stronger Chinese activity or stimulus tends to raise demand expectations and the price; weak property or factory data tends to lower it.
Related reading
PMI dates and doubled-up exposure
Manufacturing PMIs give copper a monthly rhythm of scheduled data, so mark the next releases from the economic calendar; if you hold copper and AUD/USD in the same direction, correlated positions explains why that can behave like a single bet.
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