Quest DiagnosticsBSP:Q1UE34 83 OCF Margin % is 9.60% as of Mar. 2026, which is 40% below its 10-year median of 16.01. GuruFocus rates BSP:Q1UE34 with a GF Score™ of 83/100 and a GF Value™ of R$477.44. The stock has 7 warning signs investors should review. Among 204 Medical Diagnostics & Research companies, Quest Diagnostics ranks better than 71.08% on this metric.
The historical rank and industry rank for Quest Diagnostics's OCF Margin % or its related term are showing as below:
BSP:Q1UE34'
s OCF Margin % Range Over the Past 10 Years
Min: 13.51 Med: 16.01 Max: 21.25
Current: 16.47
During the past 13 years, the highest OCF Margin % of Quest Diagnostics was 21.25%. The lowest was 13.51%. And the median was 16.01%.
BSP:Q1UE34's OCF Margin % is ranked better than 71.08% of 204
companies
in the Medical Diagnostics & Research industry
Industry Median: 4.755
vs BSP:Q1UE34: 16.47
Quest Diagnostics OCF Margin % Related Terms
Quest Diagnostics OCF Margin % Historical Data
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The historical data trend for Quest Diagnostics'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.
BSP:Q1UE34 vs LH, MTD, ILMN: OCF Margin % Comparison
For the Diagnostics & Research subindustry, Quest Diagnostics'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.
Quest Diagnostics OCF Margin % vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Quest Diagnostics's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Quest Diagnostics'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.
Quest Diagnostics (BSP:Q1UE34) has a OCF Margin % of 9.60% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Quest Diagnostics and its competitors. This is 40% below median its historical median of 16.01. Over the past decade, Quest Diagnostics' OCF Margin % has ranged from 13.51 to 21.25. According to the industry distribution chart, Quest Diagnostics ranks #59 out of 204 companies in the Medical Diagnostics & Research industry, placing it in the top 28.9%.
Is Quest Diagnostics' OCF Margin % too high?
Quest Diagnostics' current OCF Margin % of 9.60% is 40% below median its 10-year median of 16.01. Over the past 10 years, this metric has ranged from a low of 13.51 to a high of 21.25. The Medical Diagnostics & Research industry median OCF Margin % is 4.76. Quest Diagnostics' value of 9.60% is 101.9% above this industry median. Based on the distribution chart, Quest Diagnostics ranks #59 out of 204 companies in the Medical Diagnostics & Research industry, which is above the industry midpoint. Overall, Quest Diagnostics has a GF Score™ of 83/100, reflecting its overall financial health beyond just this single metric.
How does Quest Diagnostics' OCF Margin % compare to LH and MTD?
According to the Medical Diagnostics & Research industry distribution chart, Quest Diagnostics ranks #59 out of 204 companies for OCF Margin %. This puts Quest Diagnostics in the upper half of its industry. The industry median OCF Margin % is 4.76. Quest Diagnostics' value of 9.60% is 101.9% above this benchmark. Historically, Quest Diagnostics' own OCF Margin % has ranged from 13.51 to 21.25 over the past decade. While the company's 10-year median is 16.01 vs. the industry median of 4.76, Quest Diagnostics 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. Quest Diagnostics's current OCF Margin % of 9.60% is 101.9% 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 Quest Diagnostics 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. Quest Diagnostics's current OCF Margin % is 9.60%, which is 40% below median its own 10-year median of 16.01. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Quest Diagnostics stock overvalued right now?
Quest Diagnostics (BSP:Q1UE34) has a current OCF Margin % of 9.60%. The stock's GF Value™ is R$477.44, compared to a current price of R$502.54 — trading 5.3% above its estimated fair value. The current OCF Margin % is 9.60%, which is 40% below median its 10-year median of 16.01 and 101.9% above the Medical Diagnostics & Research industry median of 4.76. Quest Diagnostics' overall GF Score™ is 83/100 with 7 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 Quest Diagnostics (BSP:Q1UE34), the current OCF Margin % is 9.60% as of Mar. 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 Quest Diagnostics (BSP:Q1UE34) Overvalued in 2026?
Based on GuruFocus' analysis, Quest Diagnostics stock appears to be overvalued.
The current stock price of R$502.54 is trading 5.3% above its estimated GF Value™ of R$477.44.
Key valuation signals for BSP:Q1UE34:
OCF Margin %: 9.60% (40% below median its 10-year median of 16.01)
GF Value™: R$477.44 vs. price of R$502.54 (5.3% above fair value)
Industry Position: 101.9% above the Medical Diagnostics & Research median (#59 of 204)
No single metric tells the full story. See the BSP:Q1UE34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
83GF Score
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