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.
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. INA-Industrija Nafte DD's current 3-Year Share Buyback Ratio was 0.00%.
The historical rank and industry rank for INA-Industrija Nafte DD's 3-Year Share Buyback Ratio or its related term are showing as below:
During the past 13 years, INA-Industrija Nafte DD's highest 3-Year Share Buyback Ratio was 21.70%. The lowest was -27.70%. And the median was 0.00%.
ZAG:INA's 3-Year Share Buyback Ratio is not ranked *
in the Oil & Gas industry.
Industry Median: -3.6 * Ranked among companies with meaningful 3-Year Share Buyback Ratio only.
INA-Industrija Nafte DD (ZAG:INA) 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.
INA-Industrija Nafte DD 3-Year Share Buyback Ratio Related Terms
ZAG:INA vs MPC, VLO, PSX: 3-Year Share Buyback Ratio Comparison
For the Oil & Gas Refining & Marketing subindustry, INA-Industrija Nafte DD'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.
INA-Industrija Nafte DD 3-Year Share Buyback Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, INA-Industrija Nafte DD's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where INA-Industrija Nafte DD's 3-Year Share Buyback Ratio falls into.
INA-Industrija Nafte DD 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 0.00 mean?
INA-Industrija Nafte DD (ZAG:INA) has a 3-Year Share Buyback Ratio of 0.00 as of Jun. 2026. 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 INA-Industrija Nafte DD and its competitors. According to the industry distribution chart, INA-Industrija Nafte DD ranks #999999 out of 683 companies in the Oil & Gas industry.
Is INA-Industrija Nafte DD's 3-Year Share Buyback Ratio too high?
INA-Industrija Nafte DD's current 3-Year Share Buyback Ratio is 0.00. Based on the distribution chart, INA-Industrija Nafte DD ranks #999999 out of 683 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, INA-Industrija Nafte DD has a GF Score™ of 33/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does INA-Industrija Nafte DD's 3-Year Share Buyback Ratio compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, INA-Industrija Nafte DD ranks #999999 out of 683 companies for 3-Year Share Buyback Ratio. This places INA-Industrija Nafte DD in the lower half of its industry. 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 an Oil & Gas company?
A good 3-Year Share Buyback Ratio depends on the Oil & Gas 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 INA-Industrija Nafte DD and its competitors. INA-Industrija Nafte DD's current 3-Year Share Buyback Ratio is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is INA-Industrija Nafte DD stock overvalued right now?
Based on GuruFocus' analysis, INA-Industrija Nafte DD (ZAG:INA) is currently considered Fairly Valued. The stock's GF Value™ is €513.82, compared to a current price of €520.00 — trading 1.2% above its estimated fair value. The current 3-Year Share Buyback Ratio is 0.00. INA-Industrija Nafte DD's overall GF Score™ is 33/100 with 4 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 INA-Industrija Nafte DD (ZAG:INA), the current 3-Year Share Buyback Ratio is 0.00 as of Jun. 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 INA-Industrija Nafte DD (ZAG:INA) Overvalued in 2026?
Based on GuruFocus' analysis, INA-Industrija Nafte DD stock appears to be overvalued.
The current stock price of €520.00 is trading 1.2% above its estimated GF Value™ of €513.82.
GuruFocus considers INA-Industrija Nafte DD to be Fairly Valued.
Key valuation signals for ZAG:INA:
3-Year Share Buyback Ratio: 0.00
GF Value™: €513.82 vs. price of €520.00 (1.2% above fair value)
No single metric tells the full story. See the ZAG:INA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
INA-Industrija Nafte DD is a medium-sized European oil and gas company. It is engaged in exploration and production of oil and gas deposits, import of natural gas and sale of imported and domestically produced natural gas to industrial consumers and municipal gas distributors, refining and production of oil products through refineries located at Rijeka and Sisak, and Zagreb lubricants plants. Its segments are Exploration and Production of Oil & Gas; Refining & Marketing; Corporate and other. Exploration and Production of Oil & Gas segment include exploration, production, and selling of crude oil and natural gas. Refining & Marketing segment includes crude oil processing, wholesale of refinery products, trading, and logistics.
33GF Score
Get the complete analysis for ZAG:INA
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
ZAG:INA has been successfully added to your 
