CoStar GroupMIL:1CSGP 56 OCF Margin % is 16.95% as of Mar. 2026, which is 30% below its 10-year median of 24.06. GuruFocus rates MIL:1CSGP with a GF Score™ of 56/100 and a GF Value™ of €95.81 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 1,754 Real Estate companies, CoStar Group ranks better than 54.9% on this metric.
The historical rank and industry rank for CoStar Group's OCF Margin % or its related term are showing as below:
MIL:1CSGP'
s OCF Margin % Range Over the Past 10 Years
Min: 13.24 Med: 24.06 Max: 32.71
Current: 15.53
During the past 13 years, the highest OCF Margin % of CoStar Group was 32.71%. The lowest was 13.24%. And the median was 24.06%.
MIL:1CSGP's OCF Margin % is ranked better than 54.9% of 1754
companies
in the Real Estate industry
Industry Median: 10.335
vs MIL:1CSGP: 15.53
CoStar Group OCF Margin % Related Terms
CoStar Group OCF Margin % Historical Data
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The historical data trend for CoStar Group'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:1CSGP vs JLL, BEKE, COMP: OCF Margin % Comparison
For the Real Estate Services subindustry, CoStar Group'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.
CoStar Group OCF Margin % vs Real Estate Industry
For the Real Estate industry and Real Estate sector, CoStar Group's OCF Margin % distribution charts can be found below:
* The bar in red indicates where CoStar Group'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.
CoStar Group (MIL:1CSGP) has a OCF Margin % of 16.95% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on CoStar Group and its competitors. This is 30% below median its historical median of 24.06. Over the past decade, CoStar Group's OCF Margin % has ranged from 13.24 to 32.71. According to the industry distribution chart, CoStar Group ranks #791 out of 1754 companies in the Real Estate industry, placing it in the top 45.1%.
Is CoStar Group's OCF Margin % too high?
CoStar Group's current OCF Margin % of 16.95% is 30% below median its 10-year median of 24.06. Over the past 10 years, this metric has ranged from a low of 13.24 to a high of 32.71. The Real Estate industry median OCF Margin % is 10.34. CoStar Group's value of 16.95% is 64% above this industry median. Based on the distribution chart, CoStar Group ranks #791 out of 1754 companies in the Real Estate industry, which is above the industry midpoint. Overall, CoStar Group has a GF Score™ of 56/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does CoStar Group's OCF Margin % compare to JLL and BEKE?
According to the Real Estate industry distribution chart, CoStar Group ranks #791 out of 1754 companies for OCF Margin %. This puts CoStar Group in the upper half of its industry. The industry median OCF Margin % is 10.34. CoStar Group's value of 16.95% is 64% above this benchmark. Historically, CoStar Group's own OCF Margin % has ranged from 13.24 to 32.71 over the past decade. While the company's 10-year median is 24.06 vs. the industry median of 10.34, CoStar Group 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 Real Estate company?
The median OCF Margin % among Real Estate companies is 10.34, based on 1,754 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. CoStar Group's current OCF Margin % of 16.95% is 64% 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 CoStar Group and its competitors. For the Real Estate industry, the median OCF Margin % is 10.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CoStar Group's current OCF Margin % is 16.95%, which is 30% below median its own 10-year median of 24.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CoStar Group stock overvalued right now?
Based on GuruFocus' analysis, CoStar Group (MIL:1CSGP) is currently considered Significantly Undervalued. The stock's GF Value™ is €95.81, compared to a current price of €26.90 — trading 71.9% below its estimated fair value. The current OCF Margin % is 16.95%, which is 30% below median its 10-year median of 24.06 and 64% above the Real Estate industry median of 10.34. CoStar Group's overall GF Score™ is 56/100 with 1 warning sign 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 CoStar Group (MIL:1CSGP), the current OCF Margin % is 16.95% 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 CoStar Group (MIL:1CSGP) Overvalued in 2026?
Based on GuruFocus' analysis, CoStar Group stock appears to be undervalued.
The current stock price of €26.90 is trading 71.9% below its estimated GF Value™ of €95.81.
GuruFocus considers CoStar Group to be Significantly Undervalued.
Key valuation signals for MIL:1CSGP:
OCF Margin %: 16.95% (30% below median its 10-year median of 24.06)
GF Value™: €95.81 vs. price of €26.90 (71.9% below fair value)
Industry Position: 64% above the Real Estate median (#791 of 1754)
No single metric tells the full story. See the MIL:1CSGP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.
56GF Score
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