Diasorin SpAMIL:DIA +3.13%67 OCF Margin % is 28.05% as of Dec. 2025, which is 5% below its 10-year median of 29.68. GuruFocus rates MIL:DIA with a GF Score™ of 67/100 and a GF Value™ of €90.07 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 204 Medical Diagnostics & Research companies, Diasorin SpA ranks better than 91.18% on this metric.
The historical rank and industry rank for Diasorin SpA's OCF Margin % or its related term are showing as below:
MIL:DIA'
s OCF Margin % Range Over the Past 10 Years
Min: 26.27 Med: 29.68 Max: 34.56
Current: 28.22
During the past 13 years, the highest OCF Margin % of Diasorin SpA was 34.56%. The lowest was 26.27%. And the median was 29.68%.
MIL:DIA's OCF Margin % is ranked better than 91.18% of 204
companies
in the Medical Diagnostics & Research industry
Industry Median: 4.755
vs MIL:DIA: 28.22
Diasorin SpA OCF Margin % Related Terms
Diasorin SpA OCF Margin % Historical Data
* Premium members only.
The historical data trend for Diasorin SpA's OCF Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
MIL:DIA vs TMO, DHR, IDXX: OCF Margin % Comparison
For the Diagnostics & Research subindustry, Diasorin SpA's OCF Margin %, along with its competitors' market caps and OCF Margin % 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.
Diasorin SpA OCF Margin % vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Diasorin SpA's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Diasorin SpA's OCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Diasorin SpA (MIL:DIA) has a OCF Margin % of 28.05% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Diasorin SpA and its competitors. This is near median its historical median of 29.68. Over the past decade, Diasorin SpA's OCF Margin % has ranged from 26.27 to 34.56. According to the industry distribution chart, Diasorin SpA ranks #18 out of 204 companies in the Medical Diagnostics & Research industry, placing it in the top 8.8%.
Is Diasorin SpA's OCF Margin % too high?
Diasorin SpA's current OCF Margin % of 28.05% is near median its 10-year median of 29.68. Over the past 10 years, this metric has ranged from a low of 26.27 to a high of 34.56. The Medical Diagnostics & Research industry median OCF Margin % is 4.76. Diasorin SpA's value of 28.05% is 489.9% above this industry median. Based on the distribution chart, Diasorin SpA ranks #18 out of 204 companies in the Medical Diagnostics & Research industry, which is in the top quartile — a strong position relative to peers. Overall, Diasorin SpA has a GF Score™ of 67/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Diasorin SpA's OCF Margin % compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Diasorin SpA ranks #18 out of 204 companies for OCF Margin %. This places Diasorin SpA in the top 9% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 4.76. Diasorin SpA's value of 28.05% is 489.9% above this benchmark. Historically, Diasorin SpA's own OCF Margin % has ranged from 26.27 to 34.56 over the past decade. While the company's 10-year median is 29.68 vs. the industry median of 4.76, Diasorin SpA has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Medical Diagnostics & Research company?
The median OCF Margin % among Medical Diagnostics & Research companies is 4.76, based on 204 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Diasorin SpA's current OCF Margin % of 28.05% is 489.9% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Diasorin SpA and its competitors. For the Medical Diagnostics & Research industry, the median OCF Margin % is 4.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diasorin SpA's current OCF Margin % is 28.05%, which is near median its own 10-year median of 29.68. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diasorin SpA stock overvalued right now?
Based on GuruFocus' analysis, Diasorin SpA (MIL:DIA) is currently considered Modestly Undervalued. The stock's GF Value™ is €90.07, compared to a current price of €66.48 — trading 26.2% below its estimated fair value. The current OCF Margin % is 28.05%, which is near median its 10-year median of 29.68 and 489.9% above the Medical Diagnostics & Research industry median of 4.76. Diasorin SpA's overall GF Score™ is 67/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Diasorin SpA (MIL:DIA), the current OCF Margin % is 28.05% 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 Diasorin SpA (MIL:DIA) Overvalued in 2026?
Based on GuruFocus' analysis, Diasorin SpA stock appears to be undervalued.
The current stock price of €66.48 is trading 26.2% below its estimated GF Value™ of €90.07.
GuruFocus considers Diasorin SpA to be Modestly Undervalued.
Key valuation signals for MIL:DIA:
OCF Margin %: 28.05% (near median its 10-year median of 29.68)
GF Value™: €90.07 vs. price of €66.48 (26.2% below fair value)
Industry Position: 489.9% above the Medical Diagnostics & Research median (#18 of 204)
No single metric tells the full story. See the MIL:DIA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Diasorin develops and manufactures a broad portfolio of in vitro diagnostics for detecting pathogens and sample contamination from the human body, as well as for use in industrial settings, such as food and water contamination testing. The company operates three segments: immunodiagnostics (69% of sales), molecular diagnostics (16%), and licensed technologies (14%). Diasorin was an important manufacturer of covid tests, which boosted its profits during the pandemic, but this segment's importance has decreased over the years, and in 2025, it accounted for only 1% of total sales.
67GF Score
Get the complete analysis for MIL:DIA
OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MIL:DIA has been successfully added to your 
