Copper Slips as Chile and Peru Supply Stays in Focus
Key Facts
- Front-month COMEX copper settled higher at US$6.4315 per pound, up 6.30 cents or 0.99% on Wednesday, September 16, 2026.
- The copper-tracking CPER fund closed lower at US$38.59, down 0.21% day on day, as futures proxies diverged from mining equities.
- Southern Copper outperformed with New York shares at US$189.88, up 0.26%, while Freeport-McMoRan slipped to US$69.24, down 0.20%.
- Chile remains the world’s largest copper producer with roughly 23–24% of global mine output, while Peru is second at about 11%.
- Codelco is the single largest copper producer worldwide with 1.332 million tons in 2025, nearly 30% of Chile’s total.
- The Fed raised rates by a quarter of a percentage point with a hawkish tilt weighing on precious metals and shaping the macro tone for industrial commodities.
Today’s Focus
Copper futures settled firmer on Wednesday, September 16, 2026, with front-month COMEX copper closing at US$6.4315 per pound, up 0.99%. But the exchange-traded CPER fund, which tracks copper futures rather than spot metal, ended lower at US$38.59, down 0.21%, reflecting the gap between different contract months and rolling costs.
The session was shaped by two cross-currents: supply concentration in Chile, which mines about 23% of the world’s copper, and Peru, which mines just under 12%; with the Democratic Republic of Congo the three approach half of global output, and a hawkish Federal Reserve that raised rates by a quarter of a percentage point with 12-0 voting unanimity.
For Latin America-focused investors, the equity board told a split story. Southern Copper, with mines in Peru and Mexico, rose 0.26% to US$189.88, while Freeport-McMoRan eased 0.20% to US$69.24.
The long-term backdrop remains electrification: grid upgrades, electric vehicles and renewable build-out continue to underpin demand expectations, keeping copper futures elevated relative to the 2025 average.
What matters today. The copper price held above US$6.40 per pound but proxies diverged, with the CPER tracker slipping as a hawkish Fed and futures roll dynamics competed with supply-concentration tailwinds.
01 The session in one read
Front-month COMEX copper for September delivery settled at US$6.4315 per pound on Wednesday, September 16, 2026, gaining 6.30 cents or 0.99%. Trading Economics quoted a similar level, with copper at US$6.42 per pound, up 0.88%.
Yet the copper-tracking CPER fund, which holds near-month futures and rolls them monthly, fell 0.21% to US$38.59. The divergence reflects contract-month differences and the cost of maintaining futures exposure, not a reversal in the underlying commodity’s direction.
Copper’s modest futures gain looks fragile against a Federal Reserve that still sees another hike in 2026, but structural supply tightness in Chile and Peru argues against aggressive downside. The variable to watch is whether China’s post-stimulus copper demand accelerates fast enough to offset the drag from a stronger dollar and higher US rates.
02 The board
Among major miners, Southern Copper’s New York-listed shares rose 0.26% to US$189.88, bucking the softer tone in the fund. Freeport-McMoRan, the largest listed US copper producer, slipped 0.20% to US$69.24.
The board shows a market rewarding producers with direct exposure to Peruvian and Mexican ore over the futures-tracking instrument. CPER’s decline to US$38.59 underscores that futures roll costs can eat into returns even when spot-month prices advance.
| Asset | Level | Change |
|---|---|---|
| Copper (CPER tracker) | US$38.59 | -0.21% |
| Southern Copper | US$189.88 | +0.26% |
| Freeport-McMoRan | US$69.24 | -0.20% |
Source: RT close, 2026-09-16. Where a commodity has no spot feed, an exchange-traded tracker or leading producer is shown as a labelled proxy.
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| Instrument | Last | Change | YoY | Prev. | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| IBOV | 185,547.66 | -0.51% | +21.85% | 186,502.64 | 168,310 | 167,142 | — |
| IPSA | 11,235.54 | -0.77% | — | 11,322.60 | 11,210 | 10,984 | 1,513,213,483 |
| IPC MEX | 63,507.11 | -1.11% | +12.17% | 64,216.98 | 66,121 | 65,405 | 108,886,187 |
| MERVAL | 3,028,871 | -1.65% | +30.51% | 3,022,485 | 3,042,365 | 2,991,150 | — |
| COLCAP | 2,511.76 | -2.16% | — | 9.04 | 9.05 | 9.02 | 4,133 |
| BVL PERÚ | 58,496.57 | +0.80% | — | — | — | — | — |
| USD/BRL | 5.16 | +0.01% | -5.13% | 5.16 | 5.18 | 5.14 | — |
| EUR/BRL | 5.95 | +1.01% | -5.83% | 5.89 | 5.98 | 5.94 | — |
| USD/MXN | 17.06 | -0.24% | -8.58% | 17.10 | 17.08 | 17.01 | — |
| USD/CLP | 913.98 | +0.04% | -5.67% | 913.65 | 915.11 | 906.68 | — |
| USD/COP | 3,140 | +0.03% | -22.04% | 3,139 | 3,141 | 3,105 | — |
| USD/PEN | 3.36 | -0.66% | -4.82% | 3.38 | 3.38 | 3.35 | — |
| USD/ARS | 1,493 | +0.10% | +12.96% | 1,491 | 1,494 | 1,480 | — |
| USD/UYU | 40.27 | +1.24% | +1.80% | 39.77 | 40.27 | 40.23 | — |
| USD/PYG | 5,939 | +1.68% | -19.54% | 5,841 | 5,939 | 5,925 | — |
| USD/BOB | 11.64 | -0.76% | +72.04% | 11.73 | 11.72 | 11.64 | — |
| USD/DOP | 58.34 | +1.25% | -3.44% | 57.62 | 58.34 | 58.04 | — |
| USD/CRC | 445.92 | +0.89% | -9.71% | 441.97 | 448.50 | 445.92 | — |
03 What moved it
Copper futures held above the US$6.40 per pound area as supply concerns from Chile and Peru met firm energy-transition demand expectations. The 2025 average COMEX copper price of US$4.80 per pound, up about 14% from 2024, showed how electrification has already repriced the market.
The hawkish Federal Reserve decision, a quarter-point hike with 16 of 18 policymakers projecting another move in 2026, pressured precious metals and tempered enthusiasm for industrial commodities. Gold fell to US$4,310 per ounce on the news.
04 The Latin American read
Chile supplies roughly 23–24% of the world’s mined copper, with 2024 output in the 5.3–5.51 million metric ton range. Peru follows at about 2.6 million metric tons and an estimated 11% global share.
That concentration means policy shifts, tax changes or labour disruptions in either country can move global prices. Codelco alone produced 1.332 million tons in 2025, nearly 30% of Chile’s total and about 6.1% of global refined output.
05 The names to watch
Southern Copper, with mines in Peru and Mexico, remains the purest Latin American copper equity for foreign investors, and its gain to US$189.88 on Wednesday showed relative strength. Freeport-McMoRan, at US$69.24, offers broader exposure but slipped with the futures-tracking fund.
CPER at US$38.59 provides direct futures exposure without mine-specific risk, but investors should understand it tracks the SummerHaven Copper Index Total Return and suffers contango roll costs over long holding periods.
06 The outlook
Copper’s ability to hold above US$6.40 per pound despite a hawkish Fed suggests underlying demand remains firm. The critical variable is whether China’s grid and electric vehicle demand accelerates enough to offset higher US rates.
07 What to watch
- China stimulus and demand: Watch Chinese copper import data and grid investment figures for confirmation that electrification demand is translating into physical purchases.
- Fed policy path: A second 2026 hike would strengthen the dollar and pressure dollar-denominated copper, so the next FOMC projections matter.
- Chile and Peru output: Any strike, royalty change or permitting delay in these two countries could tighten supply quickly and lift futures.
- CPER roll dynamics: If copper futures remain in contango, CPER will keep losing a little to roll costs, so track the gap between front-month and second-month contracts.
Frequently Asked Questions
Why did CPER fall when copper futures rose?
CPER tracks a basket of copper futures that it rolls monthly, so differences between contract months and roll costs can cause the fund to move differently from the front-month settlement price.
Which Latin American country is the largest copper producer?
Chile is the world’s largest copper producer, accounting for roughly 23–24% of global mine output, with Peru second at about 11%.
What is Codelco’s role in copper supply?
Codelco is Chile’s state-owned miner and the single largest copper producer worldwide, with 1.332 million tons in 2025, nearly 30% of Chile’s total.
Should foreigners buy CPER or mining shares for copper exposure?
CPER offers purer price tracking through futures but suffers roll-cost drag, while miners like Southern Copper and Freeport-McMoRan add operational leverage and company-specific risks.
Market data: RT
This article was produced by The Rio Times’ automated newsroom system. How we use AI · Report an error
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