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. Diagnostic Medical Systems's current 3-Year Share Buyback Ratio was -17.10%.
The historical rank and industry rank for Diagnostic Medical Systems's 3-Year Share Buyback Ratio or its related term are showing as below:
FRA:DMS1'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -43.6 Med: -7.7 Max: 0
Current: -17.1
During the past 13 years, Diagnostic Medical Systems's highest 3-Year Share Buyback Ratio was 0.00%. The lowest was -43.60%. And the median was -7.70%.
FRA:DMS1's 3-Year Share Buyback Ratio is ranked worse than 76.26% of 615
companies
in the Medical Devices & Instruments industry
Industry Median: -2.6
vs FRA:DMS1: -17.10
Diagnostic Medical Systems (FRA:DMS1) 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.
Diagnostic Medical Systems 3-Year Share Buyback Ratio Related Terms
FRA:DMS1 vs ABT, SYK, MDT: 3-Year Share Buyback Ratio Comparison
For the Medical Devices subindustry, Diagnostic Medical Systems'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.
Diagnostic Medical Systems 3-Year Share Buyback Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Diagnostic Medical Systems's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Diagnostic Medical Systems's 3-Year Share Buyback Ratio falls into.
Diagnostic Medical Systems 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 -17.10 mean?
Diagnostic Medical Systems (FRA:DMS1) has a 3-Year Share Buyback Ratio of -17.10 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 Diagnostic Medical Systems and its competitors. According to the industry distribution chart, Diagnostic Medical Systems ranks #469 out of 615 companies in the Medical Devices & Instruments industry, placing it in the top 76.3%.
Is Diagnostic Medical Systems' 3-Year Share Buyback Ratio too high?
Diagnostic Medical Systems' current 3-Year Share Buyback Ratio is -17.10. Based on the distribution chart, Diagnostic Medical Systems ranks #469 out of 615 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Diagnostic Medical Systems has a GF Score™ of 66/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Diagnostic Medical Systems' 3-Year Share Buyback Ratio compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Diagnostic Medical Systems ranks #469 out of 615 companies for 3-Year Share Buyback Ratio. This places Diagnostic Medical 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 3-Year Share Buyback Ratio for a Medical Devices & Instruments company?
A good 3-Year Share Buyback Ratio depends on the Medical Devices & Instruments 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 Diagnostic Medical Systems and its competitors. Diagnostic Medical Systems's current 3-Year Share Buyback Ratio is -17.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diagnostic Medical Systems stock overvalued right now?
Based on GuruFocus' analysis, Diagnostic Medical Systems (FRA:DMS1) is currently considered Modestly Undervalued. The stock's GF Value™ is €1.04, compared to a current price of €0.89 — trading 14.2% below its estimated fair value. The current 3-Year Share Buyback Ratio is -17.10. Diagnostic Medical Systems' overall GF Score™ is 66/100 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 Diagnostic Medical Systems (FRA:DMS1), the current 3-Year Share Buyback Ratio is -17.10 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 Diagnostic Medical Systems (FRA:DMS1) Overvalued in 2026?
Based on GuruFocus' analysis, Diagnostic Medical Systems stock appears to be undervalued.
The current stock price of €0.89 is trading 14.2% below its estimated GF Value™ of €1.04.
GuruFocus considers Diagnostic Medical Systems to be Modestly Undervalued.
Key valuation signals for FRA:DMS1:
3-Year Share Buyback Ratio: -17.10
GF Value™: €1.04 vs. price of €0.89 (14.2% below fair value)
No single metric tells the full story. See the FRA:DMS1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Diagnostic Medical Systems is France's company engaged in the development, design, and production of imaging systems for digital and conventional radiology and osteodensitometry. The group's activity is organized around two sectors: Radiology equipment and osteodensitometers sales: mobile radiology units, floating table tops, operating room mobile amplifiers, ultrasound osteodensitometers (designed to chart the bone micro-architecture) and X ray osteodensitometers (designed to measure bone density), etc. The group also proposes devices distribution and maintenance activities; and the Development of biotechnology solutions: in the fields of arthrosis treatment and regenerative medicine.
66GF Score
Get the complete analysis for FRA:DMS1
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
FRA:DMS1 has been successfully added to your 
