Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Gunnison CopperGCUMF -2.21%35 Cyclically Adjusted PB Ratio is 8.33 as of Jul. 29, 2026, which is 240% above its 10-year median of 2.45. GuruFocus rates GCUMF with a GF Score™ of 35/100 and a GF Value™ of $1.33 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 1,538 Metals & Mining companies, Gunnison Copper ranks worse than 89.66% on this metric.
The historical rank and industry rank for Gunnison Copper's Cyclically Adjusted PB Ratio or its related term are showing as below:
GCUMF'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.17 Med: 2.45 Max: 12.8
Current: 8.28
During the past years, Gunnison Copper's highest Cyclically Adjusted PB Ratio was 12.80. The lowest was 1.17. And the median was 2.45.
GCUMF's Cyclically Adjusted PB Ratio is ranked worse than 89.66% of 1538
companies
in the Metals & Mining industry
Industry Median: 1.415
vs GCUMF: 8.28
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Gunnison Copper's adjusted book value per share data for the three months ended in Mar. 2026 was $-0.129. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $0.03 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Gunnison Copper (OTCPK:GCUMF) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
Gunnison Copper Cyclically Adjusted PB Ratio Related Terms
Gunnison Copper Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Gunnison Copper's Cyclically Adjusted PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Gunnison Copper Cyclically Adjusted PB Ratio Chart
GCUMF vs SCCO, FCX: Cyclically Adjusted PB Ratio Comparison
For the Copper subindustry, Gunnison Copper's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Gunnison Copper Cyclically Adjusted PB Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Gunnison Copper's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Gunnison Copper's Cyclically Adjusted PB Ratio falls into.
Gunnison Copper Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
Gunnison Copper's Cyclically Adjusted PB Ratio for today is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PB Ratio of 8.33 mean?
Gunnison Copper (GCUMF) has a Cyclically Adjusted PB Ratio of 8.33 as of Jul. 29, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Gunnison Copper and its competitors. This is 240% above median its historical median of 2.45. Over the past decade, Gunnison Copper's Cyclically Adjusted PB Ratio has ranged from 1.17 to 12.80. According to the industry distribution chart, Gunnison Copper ranks #1379 out of 1538 companies in the Metals & Mining industry, placing it in the top 89.7%.
Is Gunnison Copper's Cyclically Adjusted PB Ratio too high?
Gunnison Copper's current Cyclically Adjusted PB Ratio of 8.33 is 240% above median its 10-year median of 2.45. Over the past 10 years, this metric has ranged from a low of 1.17 to a high of 12.80. The Metals & Mining industry median Cyclically Adjusted PB Ratio is 1.42. Gunnison Copper's value of 8.33 is 488.7% above this industry median. Based on the distribution chart, Gunnison Copper ranks #1379 out of 1538 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers. Overall, Gunnison Copper has a GF Score™ of 35/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Gunnison Copper's Cyclically Adjusted PB Ratio compare to SCCO and FCX?
According to the Metals & Mining industry distribution chart, Gunnison Copper ranks #1379 out of 1538 companies for Cyclically Adjusted PB Ratio. This places Gunnison Copper in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.42. Gunnison Copper's value of 8.33 is 488.7% above this benchmark. Historically, Gunnison Copper's own Cyclically Adjusted PB Ratio has ranged from 1.17 to 12.80 over the past decade. While the company's 10-year median is 2.45 vs. the industry median of 1.42, Gunnison Copper has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Metals & Mining company?
The median Cyclically Adjusted PB Ratio among Metals & Mining companies is 1.42, based on 1,538 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Gunnison Copper's current Cyclically Adjusted PB Ratio of 8.33 is 488.7% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Gunnison Copper and its competitors. For the Metals & Mining industry, the median Cyclically Adjusted PB Ratio is 1.42 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gunnison Copper's current Cyclically Adjusted PB Ratio is 8.33, which is 240% above median its own 10-year median of 2.45. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gunnison Copper stock overvalued right now?
Based on GuruFocus' analysis, Gunnison Copper (GCUMF) is currently considered Possible Value Trap. The stock's GF Value™ is $1.33, compared to a current price of $0.25 — trading 81.2% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 8.33, which is 240% above median its 10-year median of 2.45 and 488.7% above the Metals & Mining industry median of 1.42. Gunnison Copper's overall GF Score™ is 35/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Gunnison Copper (GCUMF), the current Cyclically Adjusted PB Ratio is 8.33 as of Jul. 29, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Gunnison Copper (GCUMF) Overvalued in 2026?
Based on GuruFocus' analysis, Gunnison Copper stock appears to be undervalued.
The current stock price of $0.25 is trading 81.2% below its estimated GF Value™ of $1.33.
GuruFocus considers Gunnison Copper to be Possible Value Trap.
Key valuation signals for GCUMF:
Cyclically Adjusted PB Ratio: 8.33 (240% above median its 10-year median of 2.45)
GF Value™: $1.33 vs. price of $0.25 (81.2% below fair value)
Industry Position: 488.7% above the Metals & Mining median (#1379 of 1538)
No single metric tells the full story. See the GCUMF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Gunnison Copper Corp is engaged in the acquisition, exploration, and development of copper mineral properties and the construction and operation of copper mines in Arizona, USA. The company is focused on the development of the Gunnison Copper Project, which is designed to be a large-scale open pit operation producing finished copper cathodes. The company operates in two reportable operating segments in the United States: Gunnison and Johnson Camp Mine.
35GF Score
Get the complete analysis for GCUMF
Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
GCUMF has been successfully added to your 
