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.
Griffin MiningCHIX:GFML 75 3-Year Share Buyback Ratio is -0.50 as of Dec. 2025. GuruFocus rates CHIX:GFML with a GF Score™ of 75/100 and a GF Value™ of £0.93 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 2,171 Metals & Mining companies, Griffin Mining ranks better than 91.66% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. Griffin Mining's current 3-Year Share Buyback Ratio was -0.50%.
The historical rank and industry rank for Griffin Mining's 3-Year Share Buyback Ratio or its related term are showing as below:
CHIX:GFMl'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -3.6 Med: -0.05 Max: 11.6
Current: -0.5
During the past 13 years, Griffin Mining's highest 3-Year Share Buyback Ratio was 11.60%. The lowest was -3.60%. And the median was -0.05%.
CHIX:GFMl's 3-Year Share Buyback Ratio is ranked better than 91.66% of 2171
companies
in the Metals & Mining industry
Industry Median: -17.5
vs CHIX:GFMl: -0.50
Griffin Mining (CHIX:GFMl) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
Griffin Mining 3-Year Share Buyback Ratio Related Terms
Griffin Mining 3-Year Share Buyback Ratio Competitor Comparison
For the Other Industrial Metals & Mining subindustry, Griffin Mining's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback 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.
Griffin Mining 3-Year Share Buyback Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Griffin Mining's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Griffin Mining's 3-Year Share Buyback Ratio falls into.
Griffin Mining 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of -0.50 mean?
Griffin Mining (CHIX:GFML) has a 3-Year Share Buyback Ratio of -0.50 as of Dec. 2025. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Griffin Mining and its competitors. According to the industry distribution chart, Griffin Mining ranks #181 out of 2171 companies in the Metals & Mining industry, placing it in the top 8.3%.
Is Griffin Mining's 3-Year Share Buyback Ratio too high?
Griffin Mining's current 3-Year Share Buyback Ratio is -0.50. Based on the distribution chart, Griffin Mining ranks #181 out of 2171 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Griffin Mining has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Griffin Mining's 3-Year Share Buyback Ratio compare to competitors?
According to the Metals & Mining industry distribution chart, Griffin Mining ranks #181 out of 2171 companies for 3-Year Share Buyback Ratio. This places Griffin Mining in the top 8% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for a Metals & Mining company?
A good 3-Year Share Buyback Ratio depends on the Metals & Mining industry context. However, 3-Year Share Buyback Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Griffin Mining and its competitors. Griffin Mining's current 3-Year Share Buyback Ratio is -0.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Griffin Mining stock overvalued right now?
Based on GuruFocus' analysis, Griffin Mining (CHIX:GFML) is currently considered Significantly Overvalued. The stock's GF Value™ is £0.93, compared to a current price of £3.03 — trading 225.8% above its estimated fair value. The current 3-Year Share Buyback Ratio is -0.50. Griffin Mining's overall GF Score™ is 75/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For Griffin Mining (CHIX:GFML), the current 3-Year Share Buyback Ratio is -0.50 as of Dec. 2025. 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 Griffin Mining (CHIX:GFML) Overvalued in 2026?
Based on GuruFocus' analysis, Griffin Mining stock appears to be overvalued.
The current stock price of £3.03 is trading 225.8% above its estimated GF Value™ of £0.93.
GuruFocus considers Griffin Mining to be Significantly Overvalued.
Key valuation signals for CHIX:GFML:
3-Year Share Buyback Ratio: -0.50
GF Value™: £0.93 vs. price of £3.03 (225.8% above fair value)
No single metric tells the full story. See the CHIX:GFML stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Griffin Mining Ltd is a mining and investment company. It is principally engaged in mining and exploration activities. It has only one operating segment, being the operations at the Caijiaying Mine based in China, with production of zinc concentrate, and lead concentrate with associated precious metals credits. The company generates the majority of its revenue from Zinc Concentrates sales.
75GF Score
Get the complete analysis for CHIX:GFML
3-Year Share Buyback 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
CHIX:GFML has been successfully added to your 
