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.
Caster CoTSE:9331 +0.54%28 Gross Margin % is 38.81% as of Feb. 2026, which is 0% above its 10-year median of 38.73. GuruFocus rates TSE:9331 with a GF Score™ of 28/100 and a GF Value™ of 円1,053.85 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 1,005 Business Services companies, Caster Co ranks better than 54.53% on this metric.
Gross Margin % is calculated as gross profit divided by its revenue. Caster Co's Gross Profit for the
six
months ended in Feb. 2026 was 円873 Mil. Caster Co's Revenue for the
six
months ended in Feb. 2026 was 円2,250 Mil. Therefore, Caster Co's Gross Margin % for the quarter that ended in Feb. 2026 was 38.81%.
The historical rank and industry rank for Caster Co's Gross Margin % or its related term are showing as below:
TSE:9331'
s Gross Margin % Range Over the Past 10 Years
Min: 36.63 Med: 38.73 Max: 41.27
Current: 37.38
During the past 5 years, the highestGross Margin % of Caster Co was 41.27%. The lowest was 36.63%. And the median was 38.73%.
TSE:9331's Gross Margin % is ranked better than 54.53% of 1005
companies
in the Business Services industry
Industry Median: 34.53
vs TSE:9331: 37.38
Caster Co had a gross margin of 38.81% for the quarter that ended in Feb. 2026 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Caster Co was 0.00% per year.
Caster Co (TSE:9331) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Caster Co had a gross margin of 38.81% for the quarter that ended in Feb. 2026 => Competition eroding margins
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Caster Co Gross Margin % Related Terms
Caster Co Gross Margin % Historical Data
* Premium members only.
The historical data trend for Caster Co's Gross 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.
TSE:9331 vs KFY, RHI, TNET: Gross Margin % Comparison
For the Staffing & Employment Services subindustry, Caster Co's Gross Margin %, along with its competitors' market caps and Gross 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.
Caster Co Gross Margin % vs Business Services Industry
For the Business Services industry and Industrials sector, Caster Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Caster Co's Gross 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Caster Co (TSE:9331) has a Gross Margin % of 38.81% as of Feb. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Caster Co and its competitors. This is near median its historical median of 38.73. Over the past decade, Caster Co's Gross Margin % has ranged from 36.63 to 41.27. According to the industry distribution chart, Caster Co ranks #457 out of 1005 companies in the Business Services industry, placing it in the top 45.5%.
Is Caster Co's Gross Margin % too high?
Caster Co's current Gross Margin % of 38.81% is near median its 10-year median of 38.73. Over the past 10 years, this metric has ranged from a low of 36.63 to a high of 41.27. The Business Services industry median Gross Margin % is 34.53. Caster Co's value of 38.81% is 12.4% above this industry median. Based on the distribution chart, Caster Co ranks #457 out of 1005 companies in the Business Services industry, which is above the industry midpoint. Overall, Caster Co has a GF Score™ of 28/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Caster Co's Gross Margin % compare to KFY and RHI?
According to the Business Services industry distribution chart, Caster Co ranks #457 out of 1005 companies for Gross Margin %. This puts Caster Co in the upper half of its industry. The industry median Gross Margin % is 34.53. Caster Co's value of 38.81% is 12.4% above this benchmark. Historically, Caster Co's own Gross Margin % has ranged from 36.63 to 41.27 over the past decade. While the company's 10-year median is 38.73 vs. the industry median of 34.53, Caster Co 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 Gross Margin % for a Business Services company?
The median Gross Margin % among Business Services companies is 34.53, based on 1,005 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Caster Co's current Gross Margin % of 38.81% is 12.4% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Caster Co and its competitors. For the Business Services industry, the median Gross Margin % is 34.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Caster Co's current Gross Margin % is 38.81%, which is near median its own 10-year median of 38.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Caster Co stock overvalued right now?
Based on GuruFocus' analysis, Caster Co (TSE:9331) is currently considered Modestly Undervalued. The stock's GF Value™ is 円1,053.85, compared to a current price of 円744.00 — trading 29.4% below its estimated fair value. The current Gross Margin % is 38.81%, which is near median its 10-year median of 38.73 and 12.4% above the Business Services industry median of 34.53. Caster Co's overall GF Score™ is 28/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Caster Co (TSE:9331), the current Gross Margin % is 38.81% as of Feb. 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 Caster Co (TSE:9331) Overvalued in 2026?
Based on GuruFocus' analysis, Caster Co stock appears to be undervalued.
The current stock price of 円744.00 is trading 29.4% below its estimated GF Value™ of 円1,053.85.
GuruFocus considers Caster Co to be Modestly Undervalued.
Key valuation signals for TSE:9331:
Gross Margin %: 38.81% (near median its 10-year median of 38.73)
GF Value™: 円1,053.85 vs. price of 円744.00 (29.4% below fair value)
Industry Position: 12.4% above the Business Services median (#457 of 1005)
No single metric tells the full story. See the TSE:9331 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Caster Co Ltd is engaged in business operations and operates two businesses: the BPaaS Business, which utilizes the resources of remote workers to act on behalf of and support companies' back-office operations, and the Other Business, which provides staffing and placement services, develops and provides business efficiency tools for e-commerce companies, and develops and operates products and services using generative AI.
28GF Score
Get the complete analysis for TSE:9331
Gross 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
TSE:9331 has been successfully added to your 
