# Gunnison Copper to Commence Trading on NYSE American October 26, 2026, Under Ticker Symbol "GUNN" Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/gunnison-copper-to-commence-trading-on-nyse-american-october-26-2026-under-ticke--259c9673-7c82-48ab-a226-f9a80810c756 Original source: https://www.newsfilecorp.com/release/319925/Gunnison-Copper-to-Commence-Trading-on-NYSE-American-October-26-2026-Under-Ticker-Symbol-GUNN Publisher: newsfile Original announcement: 2026-10-20T10:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-20T10:02:38.962Z Atlas analysis updated: 2026-10-20T10:02:38.962Z - Company: Gunnison Copper Corp. - Ticker: GCU - Exchange: Unavailable - Region: Arizona - Primary commodity: Copper - Secondary commodities: Zinc, Silver - Document categories: Other, Resource update - Extracted: 2026-10-20 10:02:39 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Gunnison Copper Corp. announced that its American Depositary Receipts \(ADRs\) are expected to commence trading on the NYSE American under the ticker symbol 'GUNN' on October 26, 2026. The listing aims to provide broader access to U.S. institutional and retail investors for the company's Arizona-based copper operations. Reasoning: The announcement of a new NYSE American listing is a significant corporate milestone that increases liquidity and visibility for a copper producer. - Positive factor: NYSE American listing provides broader U.S. investor access - Positive factor: Enhances visibility in U.S. capital markets - Positive factor: Aligns capital markets presence with operational location - Negative factor: Listing is subject to SEC effectiveness and final exchange approvals Facts used in scoring: 5 ## Classification and evidence **Maiden Resource** Polarity: neutral Story-specific tag Definition: First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. Why it applies: The document describes the flagship project's resource but does not explicitly state it is a maiden resource; however, it is a primary resource disclosure. Evidence · text > its flagship Gunnison Copper Project ## Extracted facts Stored fact records: 5. Some facts used in scoring do not have a stored record. ## Resource Estimates (5) ### indicated [Link to this fact](https://atlas-staging.minestarters.com/news/gunnison-copper-to-commence-trading-on-nyse-american-october-26-2026-under-ticke--259c9673-7c82-48ab-a226-f9a80810c756#fact-resource-facts-0) Gunnison Copper Project · copper #### Identity - Project: Gunnison Copper Project - Commodity: copper - Region: usa\_az - Reported Region: Arizona - Ticker: GCU #### Resource scope - Estimate type: resource - Effective date: 2026-03-18T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:333bc37a0bbf3510149d - Deposit or zone: main pit - Mining method: open\_pit - Material type: unknown - Resource basis: gross #### Resource Data - Category: indicated - Tonnes: 655000000 - Grade: 0.31 - Grade Unit: % - Contained Metal: 3770000000 - Contained Unit: lbs #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-20T00:00:00.000Z Reasoning: Indicated resource component of the flagship project. Evidence · text > Indicated Mineral Resource of 655 million tons at 0.31% containing 3.77 billion pounds of copper #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/gunnison-copper-to-commence-trading-on-nyse-american-october-26-2026-under-ticke--259c9673-7c82-48ab-a226-f9a80810c756#fact-resource-facts-1) Gunnison Copper Project · copper #### Identity - Project: Gunnison Copper Project - Commodity: copper - Region: usa\_az - Reported Region: Arizona - Ticker: GCU #### Resource scope - Estimate type: resource - Effective date: 2026-03-18T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:8e8b37d78a4d9a7c4350 - Deposit or zone: main pit - Mining method: open\_pit - Material type: unknown - Resource basis: gross #### Resource Data - Category: measured - Tonnes: 192000000 - Grade: 0.37 - Grade Unit: % - Contained Metal: 1420000000 - Contained Unit: lbs #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-20T00:00:00.000Z Reasoning: Measured resource component of the flagship project. Evidence · text > Measured Mineral Resource of 192 million tons at 0.37% containing 1.42 billion pounds of copper #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: category is "measured" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/gunnison-copper-to-commence-trading-on-nyse-american-october-26-2026-under-ticke--259c9673-7c82-48ab-a226-f9a80810c756#fact-resource-facts-2) Gunnison Copper Project · copper #### Identity - Project: Gunnison Copper Project - Commodity: copper - Region: usa\_az - Reported Region: Arizona - Ticker: GCU #### Resource scope - Estimate type: resource - Effective date: 2026-03-18T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:4539e7f8f463faf75fd0 - Deposit or zone: Strong & Harris satellite deposit - Mining method: open\_pit - Material type: oxide - Resource basis: gross #### Resource Data - Category: inferred - Tonnes: 76000000 - Grade: 0.49 - Grade Unit: % - Contained Metal: 740000000 - Contained Unit: lbs #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-20T00:00:00.000Z Reasoning: Inferred resource for a satellite deposit. Evidence · text > hosts an Inferred Mineral Resource of 76 million tons grading 0.49% total copper \(0.32% CuOx\) #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/gunnison-copper-to-commence-trading-on-nyse-american-october-26-2026-under-ticke--259c9673-7c82-48ab-a226-f9a80810c756#fact-resource-facts-3) Gunnison Copper Project · zinc #### Identity - Project: Gunnison Copper Project - Commodity: zinc - Region: usa\_az - Reported Region: Arizona - Ticker: GCU #### Resource scope - Estimate type: resource - Effective date: 2026-03-18T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:4539e7f8f463faf75fd0 - Deposit or zone: Strong & Harris satellite deposit - Mining method: open\_pit - Material type: oxide - Resource basis: gross #### Resource Data - Category: inferred - Tonnes: 76000000 - Grade: 0.56 - Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-20T00:00:00.000Z Reasoning: Byproduct zinc grade in inferred resource. Evidence · text > 0.56% zinc #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-staging.minestarters.com/news/gunnison-copper-to-commence-trading-on-nyse-american-october-26-2026-under-ticke--259c9673-7c82-48ab-a226-f9a80810c756#fact-resource-facts-4) Gunnison Copper Project · silver #### Identity - Project: Gunnison Copper Project - Commodity: silver - Region: usa\_az - Reported Region: Arizona - Ticker: GCU #### Resource scope - Estimate type: resource - Effective date: 2026-03-18T00:00:00.000Z - Reporting standards: ni\_43\_101 - Resource group id: resource:4539e7f8f463faf75fd0 - Deposit or zone: Strong & Harris satellite deposit - Mining method: open\_pit - Material type: oxide - Resource basis: gross #### Resource Data - Category: inferred - Tonnes: 76000000 - Grade: 0.12 - Grade Unit: oz/ton #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-10-20T00:00:00.000Z Reasoning: Byproduct silver grade in inferred resource. Evidence · text > 0.12 oz/ton silver #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.