Best Copper Stocks on the ASX to Watch in 2026 & how to invest

Copper demand, mine development and exploration activity are bringing attention to ASX copper stocks. Sandfire Resources (ASX: SFR), Aeris Resources (ASX: AIS) and Capstone Copper (ASX: CSC) offer exposure to copper production, resource expansion and future mining projects.

Here is a look at their latest reported financial results, development plans and key risks.

1. Sandfire Resources Limited (ASX: SFR)

Sandfire Resources produces copper through its MATSA operations in Spain and Motheo mine in Botswana. It is also advancing development opportunities, including the Kalkaroo project.

On 26 August 2026, Sandfire outlined FY27 copper-equivalent production guidance of 150,000–166,000 tonnes. Capital expenditure is expected to increase by 30% to $299 million to support Kalkaroo, a new MATSA tailings dam and the Motheo Stage 4 pit expansion.

FY26 financial performance

• Revenue: $1.7 billion, up 41%

• Underlying EBITDA: $867 million

• Underlying earnings: $350 million

• Year-end net cash: $353 million

• Copper production: 154,200 tonnes

Sandfire declared a fully franked final dividend of 35 cents per share.

Growth drivers: Planned drilling at Kalkaroo, exploration across Spain, Portugal and Botswana, and expansion opportunities at existing operations.

Key risk: Higher capital expenditure, operating costs and project execution could affect future cash flow and returns.

2. Aeris Resources Limited (ASX: AIS)

Aeris Resources operates the Tritton copper complex and is advancing additional projects, including Mallee Bull, Constellation and Stockman.

In its 9 September 2026 investor presentation, Aeris outlined development plans and exploration targets. Mallee Bull production is currently expected in FY30, while an updated Tritton life-of-mine plan and production target are due in the first half of FY27.

FY26 financial performance

• Revenue: $702.8 million

• EBITDA: $290 million

• Operating cash flow: $275.6 million

• Year-end cash: $164.9 million

• Net profit after tax: up 295%

Aeris also reported net assets of $599.5 million and completed its acquisition of Peel Mining on 1 July 2026, adding development opportunities at Mallee Bull and Wirlong.

Growth drivers: Exploration at Tritton, development of Mallee Bull and progress on the Stockman feasibility study.

Key risk: Development delays, exploration uncertainty, production costs and the capital required to bring new projects into production could affect future performance.

3. Capstone Copper Corp. (ASX: CSC)

Capstone Copper has copper operations and development opportunities across the Americas. Its recent announcements highlight portfolio changes and expansion opportunities in Chile.

On 21 September 2026, Capstone signed an agreement to sell its Cozamin copper mine in Mexico for total consideration of US385million.ThiscomprisesUS275 million upfront, US15millioninshares,US35 million in the first year and up to US$60 million linked to copper prices.

On 31 August 2026, the company also completed its acquisition of the San Pietro copper assets in Chile for US$25 million in shares.

The project covers approximately 16,000 hectares and contains inferred resources of 492 million tonnes grading 0.23% copper and 0.05 grams per tonne of gold.

Growth drivers: Exploration at San Pietro, potential development opportunities in Chile and the planned proceeds from the Cozamin sale.

Key risk: The Cozamin transaction remains subject to its completion conditions, while exploration resources do not guarantee commercially viable production. Project development and copper-price movements may also affect returns.

Capstone scheduled its third-quarter 2026 financial results announcement for 29 October 2026.

What to Consider Before Investing in ASX Copper Stocks

• Copper prices: Higher prices can support revenue and margins, while downturns can pressure profitability.

• Production costs: Rising energy, labour and development costs can reduce returns.

• Project development: New mines require funding, approvals and successful execution.

• Resource quality: Exploration results and inferred resources do not guarantee economically recoverable copper.

• Financial strength: Review cash flow, debt, capital expenditure and funding requirements.

Frequently Asked Questions About ASX Copper Stocks

1. What are the best ASX copper stocks to watch in 2026?

Sandfire Resources (SFR), Aeris Resources (AIS) and Capstone Copper (CSC) are three companies to research for exposure to copper production, exploration and project development. Their investment merits depend on valuations, operational performance and risks.

2. What affects ASX copper share prices?

Copper prices, global industrial demand, mine production, operating costs, exploration results and company financial performance can influence ASX copper share prices.

3. Are copper stocks a good investment in 2026?

Copper stocks can provide exposure to changes in copper demand and prices, but returns are uncertain. Investors should assess company valuations, financial strength, project risks and their own risk tolerance.

4. Which ASX copper stocks are expanding production?

Sandfire is advancing mine expansions and Kalkaroo development, while Aeris is progressing projects including Mallee Bull. Capstone's recent announcements focus on portfolio changes and exploration opportunities in Chile.

5. Are ASX copper stocks risky?

Yes. Copper stocks face commodity-price volatility, operational disruptions, funding requirements, regulatory risks and uncertainty around exploration and development projects.

Final Thoughts

Sandfire Resources, Aeris Resources and Capstone Copper offer different ways to research ASX copper stocks. Their production plans, financial results and project developments may create opportunities, but future performance depends on execution, copper prices and valuations.

Investors should verify the latest company announcements and assess the risks before making investment decisions.

Source: Company announcements.

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