Castellum ABOSTO:CAST +0.36%66 OCF Margin % is 49.72% as of Mar. 2026, which is 7% above its 10-year median of 46.29. GuruFocus rates OSTO:CAST with a GF Score™ of 66/100 and a GF Value™ of kr113.16 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 1,754 Real Estate companies, Castellum AB ranks better than 78.34% on this metric.
The historical rank and industry rank for Castellum AB's OCF Margin % or its related term are showing as below:
OSTO:CAST'
s OCF Margin % Range Over the Past 10 Years
Min: 40.87 Med: 46.29 Max: 60.75
Current: 43.11
During the past 13 years, the highest OCF Margin % of Castellum AB was 60.75%. The lowest was 40.87%. And the median was 46.29%.
OSTO:CAST's OCF Margin % is ranked better than 78.34% of 1754
companies
in the Real Estate industry
Industry Median: 10.335
vs OSTO:CAST: 43.11
Castellum AB OCF Margin % Related Terms
Castellum AB OCF Margin % Historical Data
* Premium members only.
The historical data trend for Castellum AB'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.
For the Real Estate - Development subindustry, Castellum AB'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.
Castellum AB OCF Margin % vs Real Estate Industry
For the Real Estate industry and Real Estate sector, Castellum AB's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Castellum AB'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.
Castellum AB (OSTO:CAST) has a OCF Margin % of 49.72% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Castellum AB and its competitors. This is near median its historical median of 46.29. Over the past decade, Castellum AB's OCF Margin % has ranged from 40.87 to 60.75. According to the industry distribution chart, Castellum AB ranks #380 out of 1754 companies in the Real Estate industry, placing it in the top 21.7%.
Is Castellum AB's OCF Margin % too high?
Castellum AB's current OCF Margin % of 49.72% is near median its 10-year median of 46.29. Over the past 10 years, this metric has ranged from a low of 40.87 to a high of 60.75. The Real Estate industry median OCF Margin % is 10.34. Castellum AB's value of 49.72% is 381.1% above this industry median. Based on the distribution chart, Castellum AB ranks #380 out of 1754 companies in the Real Estate industry, which is in the top quartile — a strong position relative to peers. Overall, Castellum AB has a GF Score™ of 66/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Castellum AB's OCF Margin % compare to competitors?
According to the Real Estate industry distribution chart, Castellum AB ranks #380 out of 1754 companies for OCF Margin %. This places Castellum AB in the top 22% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 10.34. Castellum AB's value of 49.72% is 381.1% above this benchmark. Historically, Castellum AB's own OCF Margin % has ranged from 40.87 to 60.75 over the past decade. While the company's 10-year median is 46.29 vs. the industry median of 10.34, Castellum AB 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. Castellum AB's current OCF Margin % of 49.72% is 381.1% 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 Castellum AB 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. Castellum AB's current OCF Margin % is 49.72%, which is near median its own 10-year median of 46.29. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Castellum AB stock overvalued right now?
Based on GuruFocus' analysis, Castellum AB (OSTO:CAST) is currently considered Modestly Overvalued. The stock's GF Value™ is kr113.16, compared to a current price of kr125.95 — trading 11.3% above its estimated fair value. The current OCF Margin % is 49.72%, which is near median its 10-year median of 46.29 and 381.1% above the Real Estate industry median of 10.34. Castellum AB's overall GF Score™ is 66/100 with 3 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 Castellum AB (OSTO:CAST), the current OCF Margin % is 49.72% 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 Castellum AB (OSTO:CAST) Overvalued in 2026?
Based on GuruFocus' analysis, Castellum AB stock appears to be overvalued.
The current stock price of kr125.95 is trading 11.3% above its estimated GF Value™ of kr113.16.
GuruFocus considers Castellum AB to be Modestly Overvalued.
Key valuation signals for OSTO:CAST:
OCF Margin %: 49.72% (near median its 10-year median of 46.29)
GF Value™: kr113.16 vs. price of kr125.95 (11.3% above fair value)
Industry Position: 381.1% above the Real Estate median (#380 of 1754)
No single metric tells the full story. See the OSTO:CAST stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Castellum AB is a Swedish property company that owns, manages, and develops commercial properties in growth cities. The Company holds properties mainly in Sweden, with additional presence in Denmark and Finland. Its operating segments are organized by geographical areas: Stockholm; West (Greater Gothenburg, including Boras); Central (Orebro, Linkoping, Norrkoping, Jonkoping, and Vaxjo); Malardalen (Uppsala and Vasteras); Oresund (Malmo, Lund, Helsingborg, and Copenhagen); and Finland.
66GF Score
Get the complete analysis for OSTO:CAST
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
OSTO:CAST has been successfully added to your 
