ARIS · Aris Mining Corporation

Current Thesis

Aris Mining’s expansion thesis depends on Marmato producing first gold in Q4 2026 while the company retains its annual production guidance; commissioning and the next operating update settle that near-term case. The 2026-07-29 results reiterated production of 300,000–350,000 ounces for 2026 and first gold from Marmato’s new carbon-in-pulp (CIP) plant in Q4. Those are company forecasts, not completed milestones.

The narrative is maturing — an inference from the 2026-09-09 TSX30 recognition arriving while the 2026-09-11 reference close remained 13.8% below its 52-week high. Recognition extends visibility without establishing stronger demand for the shares. The company also announced Puruni Bridge construction in Guyana on 2026-09-08; that headline does not resolve the Colombian commissioning test. Aris Mining news archive

Bullish and bearish views on Aris Mining Corporation

The model's bull view on Aris Mining Corporation (ARIS), in brief: Production growth is already measured. The 2026-07-29 results reported first-half production of 148,000 ounces, up 31% from the first half of 2025. This supports an expansion narrative independently of the unfinished Marmato plant. Existing operations generate cash earnings. The… The bear view: Spending precedes commissioning proof. The 2026-07-29 results disclosed Q2 growth capital of $121 million and cash of $426 million at 2026-06-30. The cash balance alone does not establish that all remaining construction and ramp-up costs are funded. Cost measures cover different… Both cases follow in full.

Bull Case

• Production growth is already measured. The 2026-07-29 results reported first-half production of 148,000 ounces, up 31% from the first half of 2025. This supports an expansion narrative independently of the unfinished Marmato plant.
• Existing operations generate cash earnings. The 2026-07-29 release reported Q2 gold revenue of $321 million and adjusted earnings before interest, taxes, depreciation and amortization of $179 million. These are reported operating results; they do not establish future commissioning performance.
• Construction has a stated milestone. The 2026-07-29 update scheduled first gold from Marmato’s 5,000-tonne-per-day CIP plant for Q4 2026. The company’s Marmato page continued to describe that window when reviewed on 2026-09-13. Marmato operating overview

Bear Case

• Spending precedes commissioning proof. The 2026-07-29 results disclosed Q2 growth capital of $121 million and cash of $426 million at 2026-06-30. The cash balance alone does not establish that all remaining construction and ramp-up costs are funded.
• Cost measures cover different operations. The 2026-07-29 disclosure put Q2 Segovia owner-mining all-in sustaining costs at $1,767 per ounce and first-half combined costs at $1,974 per ounce. Segovia’s narrower measure cannot stand in for company-wide economics.
• First gold is an intermediate milestone. The 2026-07-29 schedule placed full Marmato plant capacity in late 2027. A Q4 2026 first pour would confirm commissioning progress without proving sustained operation at full capacity.

Setup & Price Structure

The adjusted US reference close was $19.54 on 2026-09-11. The shares were up 23.0% over three months and 13.8% below the $22.68 trailing 52-week high; the 14-day relative strength index was 40.9. These observations describe an advance with a retracement, but do not establish a completed base.

The 2026-09-09 TSX30 announcement and Benzinga’s 2026-09-03 materials-movers coverage are observable publicity. This sample is too small to support a crowding claim. Moving-average values, current fund flows and current insider-transaction evidence are missing, so neither distance above a rising average nor accumulation can be established.

The $17.50 research invalidation threshold remains distinct from measured chart support: no dated support test or moving-average value establishes that level in the available evidence. Conviction is moderate because the 2026-07-29 operating results support the expansion case, while the 2026-09-11 price structure and unfinished commissioning leave its completion uncertain.

Catalyst Calendar (next 30 days)

• 2026-09-27 — Mining Forum Americas. Aris lists the Colorado Springs event; attendance alone would not confirm commissioning progress. Company calendar
• 2026-10-12 — Atlantic One summit. Aris lists its Fall Investment Summit appearance in Monaco. Company calendar

No confirmed Q3 production-release date appeared on the company calendar reviewed on 2026-09-13. The decisive operating window remains Q4 2026 first gold, as stated in the 2026-07-29 results; the company has not supplied a specific day in the cited guidance.

Elapsed catalysts

• 2026-09-15 — J.P. Morgan conference. Aris lists the Emerging and Frontier Markets Opportunities Conference; any commissioning update would be relevant, but disclosure is not promised. Company calendar (passed 5d ago)
• 2026-09-16 — Federal Reserve decision. The Federal Open Market Committee meeting includes economic projections. This is a macroeconomic event, not an operating milestone. Federal Reserve calendar (passed 4d ago)
• 2026-09-17 — Itaú Commodities Conference. The company lists an appearance in São Paulo, providing another scheduled communication opportunity. Company calendar (passed 3d ago)

What Would Change Our Mind

Loss of the published price boundary would end the near-term expansion case: a weekly close below $17.50 is the observable condition. Independently, company disclosure moving Marmato first gold beyond Q4 2026 or reducing annual production guidance below 300,000 ounces would invalidate the operating thesis established by the 2026-07-29 guidance.

Confirmation requires a reported Marmato first pour during Q4 2026 with annual guidance intact before the price boundary is breached. The 2026-09-09 recognition announcement cannot substitute for that operating evidence.

Correlation Notes

This is a single-name gold-production and construction case. The 2026-07-29 results reported an average Q2 realized gold price of $4,450 per ounce, establishing direct commodity exposure; no return-correlation series establishes how closely ARIS currently follows gold or other miners.

The 2026-09-16 Federal Reserve meeting is relevant through a possible gold-price response, an inference rather than a directional forecast. The dated operating test remains Marmato’s Q4 2026 commissioning window, so a sector rally alone would not satisfy the thesis.