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.
Erda Resource OpportunitiesERDAF 36 10-Year Share Buyback Ratio is -5.10 as of Jan. 2026. GuruFocus rates ERDAF with a GF Score™ of 36/100. The stock has 3 warning signs investors should review. Among 1,587 Metals & Mining companies, Erda Resource Opportunities ranks better than 78.07% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
10-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past ten years. It is calculated as the annualized percentage change in shares outstanding from ten 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. Erda Resource Opportunities's current 10-Year Share Buyback Ratio was -5.10%.
ERDAF's 10-Year Share Buyback Ratio is ranked better than 78.07% of 1587
companies
in the Metals & Mining industry
Industry Median: -18.1
vs ERDAF: -5.10
Erda Resource Opportunities (OTCPK:ERDAF) 10-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.
Erda Resource Opportunities 10-Year Share Buyback Ratio Related Terms
Erda Resource Opportunities 10-Year Share Buyback Ratio Competitor Comparison
For the Other Industrial Metals & Mining subindustry, Erda Resource Opportunities's 10-Year Share Buyback Ratio, along with its competitors' market caps and 10-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.
Erda Resource Opportunities 10-Year Share Buyback Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Erda Resource Opportunities's 10-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Erda Resource Opportunities's 10-Year Share Buyback Ratio falls into.
Erda Resource Opportunities 10-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from ten years ago to the current year. The annualized percentage change is calculated with least-square regression based on the eleven 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 10-Year Share Buyback Ratio of -5.10 mean?
Erda Resource Opportunities (ERDAF) has a 10-Year Share Buyback Ratio of -5.10 as of Jan. 2026. The 10-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past ten years. It is calculated as the annualized percentage change in shares outstanding from ten years ago to the current year. View historical data for Erda Resource Opportunities and its competitors. According to the industry distribution chart, Erda Resource Opportunities ranks #348 out of 1587 companies in the Metals & Mining industry, placing it in the top 21.9%.
Is Erda Resource Opportunities' 10-Year Share Buyback Ratio too high?
Erda Resource Opportunities' current 10-Year Share Buyback Ratio is -5.10. Based on the distribution chart, Erda Resource Opportunities ranks #348 out of 1587 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Erda Resource Opportunities has a GF Score™ of 36/100, reflecting its overall financial health beyond just this single metric.
How does Erda Resource Opportunities' 10-Year Share Buyback Ratio compare to competitors?
According to the Metals & Mining industry distribution chart, Erda Resource Opportunities ranks #348 out of 1587 companies for 10-Year Share Buyback Ratio. This places Erda Resource Opportunities in the top 22% 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 10-Year Share Buyback Ratio for a Metals & Mining company?
A good 10-Year Share Buyback Ratio depends on the Metals & Mining industry context. However, 10-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 10-Year Share Buyback Ratio mean?
A high 10-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 10-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past ten years. It is calculated as the annualized percentage change in shares outstanding from ten years ago to the current year. View historical data for Erda Resource Opportunities and its competitors. Erda Resource Opportunities's current 10-Year Share Buyback Ratio is -5.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Erda Resource Opportunities stock overvalued right now?
Erda Resource Opportunities (ERDAF) has a current 10-Year Share Buyback Ratio of -5.10. The current 10-Year Share Buyback Ratio is -5.10. Erda Resource Opportunities' overall GF Score™ is 36/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 10-Year Share Buyback Ratio calculated?
10-Year Share Buyback Ratio is calculated from a company's financial statements. For Erda Resource Opportunities (ERDAF), the current 10-Year Share Buyback Ratio is -5.10 as of Jan. 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.
Fancamp Exploration Ltd is a mineral exploration corporation dedicated to its value-added approach of advancing mineral properties through exploration and development. The company owns numerous mineral resource properties in Quebec, Ontario and New Brunswick, including gold, rare earth metals, strategic and base metals, zinc, chromium, titanium and others.
36GF Score
Get the complete analysis for ERDAF
10-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
ERDAF has been successfully added to your 
