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Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
5-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past five years. It is calculated as the annualized percentage change in shares outstanding from five 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. Invinity Energy Systems's current 5-Year Share Buyback Ratio was -48.10%.
IESVF's 5-Year Share Buyback Ratio is ranked worse than 98.18% of 2091
companies
in the Industrial Products industry
Industry Median: -2.2
vs IESVF: -48.10
Invinity Energy Systems (OTCPK:IESVF) 5-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.
Invinity Energy Systems 5-Year Share Buyback Ratio Related Terms
IESVF vs VRT, BE: 5-Year Share Buyback Ratio Comparison
For the Electrical Equipment & Parts subindustry, Invinity Energy Systems's 5-Year Share Buyback Ratio, along with its competitors' market caps and 5-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.
Invinity Energy Systems 5-Year Share Buyback Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Invinity Energy Systems's 5-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Invinity Energy Systems's 5-Year Share Buyback Ratio falls into.
Invinity Energy Systems 5-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from five years ago to the current year. The annualized percentage change is calculated with least-square regression based on the latest six 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 5-Year Share Buyback Ratio of -48.10 mean?
Invinity Energy Systems (IESVF) has a 5-Year Share Buyback Ratio of -48.10 as of Dec. 2025. The 5-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past five years. It is calculated as the annualized percentage change in shares outstanding from five years ago to the current year. View historical data for Invinity Energy Systems and its competitors. According to the industry distribution chart, Invinity Energy Systems ranks #2053 out of 2091 companies in the Industrial Products industry, placing it in the top 98.2%.
Is Invinity Energy Systems' 5-Year Share Buyback Ratio too high?
Invinity Energy Systems' current 5-Year Share Buyback Ratio is -48.10. Based on the distribution chart, Invinity Energy Systems ranks #2053 out of 2091 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Invinity Energy Systems has a GF Score™ of 56/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Invinity Energy Systems' 5-Year Share Buyback Ratio compare to VRT and BE?
According to the Industrial Products industry distribution chart, Invinity Energy Systems ranks #2053 out of 2091 companies for 5-Year Share Buyback Ratio. This places Invinity Energy Systems 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 5-Year Share Buyback Ratio for an Industrial Products company?
A good 5-Year Share Buyback Ratio depends on the Industrial Products industry context. However, 5-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 5-Year Share Buyback Ratio mean?
A high 5-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 5-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past five years. It is calculated as the annualized percentage change in shares outstanding from five years ago to the current year. View historical data for Invinity Energy Systems and its competitors. Invinity Energy Systems's current 5-Year Share Buyback Ratio is -48.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Invinity Energy Systems stock overvalued right now?
Based on GuruFocus' analysis, Invinity Energy Systems (IESVF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.12, compared to a current price of $0.32 — trading 164.8% above its estimated fair value. The current 5-Year Share Buyback Ratio is -48.10. Invinity Energy Systems' overall GF Score™ is 56/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 5-Year Share Buyback Ratio calculated?
5-Year Share Buyback Ratio is calculated from a company's financial statements. For Invinity Energy Systems (IESVF), the current 5-Year Share Buyback Ratio is -48.10 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 Invinity Energy Systems (IESVF) Overvalued in 2026?
Based on GuruFocus' analysis, Invinity Energy Systems stock appears to be overvalued.
The current stock price of $0.32 is trading 164.8% above its estimated GF Value™ of $0.12.
GuruFocus considers Invinity Energy Systems to be Significantly Overvalued.
Key valuation signals for IESVF:
5-Year Share Buyback Ratio: -48.10
GF Value™: $0.12 vs. price of $0.32 (164.8% above fair value)
No single metric tells the full story. See the IESVF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Invinity Energy Systems PLC operates in the manufacturing of vanadium flow battery systems and their related installation and other services. Its vanadium flow batteries are a form of heavy-duty, stationary energy storage, used in high-utilization applications such as being coupled with industrial-scale solar generation for distributed, low-carbon energy projects. The company's flow battery systems are ideal for commercial and industrial sites, grid network infrastructure projects, and off-grid applications, either standalone or alongside renewable energy such as solar PV. It generates the majority of its revenue from the sale of Battery systems and associated control systems.
56GF Score
Get the complete analysis for IESVF
5-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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