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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. Clean Energy Fuels's current 3-Year Share Buyback Ratio was 0.50%.
The historical rank and industry rank for Clean Energy Fuels's 3-Year Share Buyback Ratio or its related term are showing as below:
CLNE'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -30.1 Med: -6 Max: 0.5
Current: 0.5
During the past 13 years, Clean Energy Fuels's highest 3-Year Share Buyback Ratio was 0.50%. The lowest was -30.10%. And the median was -6.00%.
CLNE's 3-Year Share Buyback Ratio is ranked better than 80.23% of 683
companies
in the Oil & Gas industry
Industry Median: -3.5
vs CLNE: 0.50
Clean Energy Fuels (NAS:CLNE) 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.
Clean Energy Fuels 3-Year Share Buyback Ratio Related Terms
CLNE vs SGU, FGPR, BDCO: 3-Year Share Buyback Ratio Comparison
For the Oil & Gas Refining & Marketing subindustry, Clean Energy Fuels'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.
Clean Energy Fuels 3-Year Share Buyback Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Clean Energy Fuels's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Clean Energy Fuels's 3-Year Share Buyback Ratio falls into.
Clean Energy Fuels 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?
Clean Energy Fuels (CLNE) has a 3-Year Share Buyback Ratio of 0.50 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 Clean Energy Fuels and its competitors. According to the industry distribution chart, Clean Energy Fuels ranks #135 out of 683 companies in the Oil & Gas industry, placing it in the top 19.8%.
Is Clean Energy Fuels' 3-Year Share Buyback Ratio too high?
Clean Energy Fuels' current 3-Year Share Buyback Ratio is 0.50. Based on the distribution chart, Clean Energy Fuels ranks #135 out of 683 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Clean Energy Fuels has a GF Score™ of 61/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Clean Energy Fuels' 3-Year Share Buyback Ratio compare to SGU and FGPR?
According to the Oil & Gas industry distribution chart, Clean Energy Fuels ranks #135 out of 683 companies for 3-Year Share Buyback Ratio. This places Clean Energy Fuels in the top 20% 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 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 Clean Energy Fuels and its competitors. Clean Energy Fuels'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 Clean Energy Fuels stock overvalued right now?
Based on GuruFocus' analysis, Clean Energy Fuels (CLNE) is currently considered Possible Value Trap. The stock's GF Value™ is $2.81, compared to a current price of $1.62 — trading 42.3% below its estimated fair value. The current 3-Year Share Buyback Ratio is 0.50. Clean Energy Fuels' overall GF Score™ is 61/100 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 Clean Energy Fuels (CLNE), the current 3-Year Share Buyback Ratio is 0.50 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 Clean Energy Fuels (CLNE) Overvalued in 2026?
Based on GuruFocus' analysis, Clean Energy Fuels stock appears to be undervalued.
The current stock price of $1.62 is trading 42.3% below its estimated GF Value™ of $2.81.
GuruFocus considers Clean Energy Fuels to be Possible Value Trap.
Key valuation signals for CLNE:
3-Year Share Buyback Ratio: 0.50
GF Value™: $2.81 vs. price of $1.62 (42.3% below fair value)
No single metric tells the full story. See the CLNE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Clean Energy Fuels Corp is a natural gas marketer and retailer operating in the United States and Canada. The company supplies compressed natural gas and liquefied natural gas for the United States (U.S.) and Canadian transportation markets. The majority of revenue is generated within the U.S. and mostly consists of compressed natural gas. The firm operates by purchasing natural gas from local utilities; compressing, cooling, or liquefying it at company-owned plants; and selling natural gas products through company-owned or customer-owned fueling stations. It also builds, operates, and maintains natural gas fueling stations for customers.
61GF Score
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3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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