Phu Tai JSCSTC:PTB -1.62%87 ROC (Joel Greenblatt) % is 21.13% as of Mar. 2026, which is 7% above its 10-year median of 19.73. GuruFocus rates STC:PTB with a GF Score™ of 87/100 and a GF Value™ of ₫45,570.80 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 564 Conglomerates companies, Phu Tai JSC ranks better than 60.28% on this metric.
Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits). He defines ROC (Joel Greenblatt) % as EBIT divided by the total of Property, Plant and Equipment and net working capital. Phu Tai JSC's annualized ROC (Joel Greenblatt) % for the quarter that ended in Mar. 2026 was 21.13%.
The historical rank and industry rank for Phu Tai JSC's ROC (Joel Greenblatt) % or its related term are showing as below:
STC:PTB'
s ROC (Joel Greenblatt) % Range Over the Past 10 Years
Min: 12.43 Med: 19.73 Max: 22.64
Current: 21.05
During the past 8 years, Phu Tai JSC's highest ROC (Joel Greenblatt) % was 22.64%. The lowest was 12.43%. And the median was 19.73%.
STC:PTB's ROC (Joel Greenblatt) % is ranked better than 60.28% of 564
companies
in the Conglomerates industry
Industry Median: 14.68
vs STC:PTB: 21.05
Phu Tai JSC's 5-Year average Growth Rate of ROC (Joel Greenblatt) % was -2.10% per year.
Phu Tai JSC (STC:PTB) ROC (Joel Greenblatt) % Explanation
The way Joel Greenblatt defines Return on Capital is a more accurate measure of how efficiently the company generates returns onthe capital actually invested in the business. EBIT is used instead of net income because the tax and interest payment may be affected by factors other than the core business operation. Intangible assets are not included in the calculation because they don't need to be replaced.
Phu Tai JSC ROC (Joel Greenblatt) % Historical Data
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The historical data trend for Phu Tai JSC's ROC (Joel Greenblatt) % 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.
STC:PTB vs HON, MMM: ROC (Joel Greenblatt) % Comparison
For the Conglomerates subindustry, Phu Tai JSC's ROC (Joel Greenblatt) %, along with its competitors' market caps and ROC (Joel Greenblatt) % 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.
Phu Tai JSC ROC (Joel Greenblatt) % vs Conglomerates Industry
For the Conglomerates industry and Industrials sector, Phu Tai JSC's ROC (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Phu Tai JSC's ROC (Joel Greenblatt) % falls into.
Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits) . He defines Return on Capital as follows:
EBIT stands for Earnings Before Interest and Taxes.
Fixed Assets are also known as non-current assets. They include the Property, Plant and Equipment that the firm needs in its operation.
GuruFocus calculates net working capital as: (Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Deferred Revenue + Other Current Liabilities). We're trying to account for OPERATING assets and liabilities (part of daily business) when calculating working capital. Cash and marketable securities are considered NON-OPERATING assets and are not included in calculation. We will also back out all interest bearing debt, short term debt and the portion of long term debt that is due in the current period from the current liabilities. This debt will be considered when computing cost of capital and it would be inappropriate to count it twice.
Note:
The EBIT data used here is four times the quarterly (Mar. 2026) EBIT data.
* 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.
What does a ROC (Joel Greenblatt) % of 21.13% mean?
Phu Tai JSC (STC:PTB) has a ROC (Joel Greenblatt) % of 21.13% as of Mar. 2026. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on Phu Tai JSC and its competitors. This is near median its historical median of 19.73. Over the past decade, Phu Tai JSC's ROC (Joel Greenblatt) % has ranged from 12.43 to 22.64. According to the industry distribution chart, Phu Tai JSC ranks #224 out of 564 companies in the Conglomerates industry, placing it in the top 39.7%.
Is Phu Tai JSC's ROC (Joel Greenblatt) % too high?
Phu Tai JSC's current ROC (Joel Greenblatt) % of 21.13% is near median its 10-year median of 19.73. Over the past 10 years, this metric has ranged from a low of 12.43 to a high of 22.64. The Conglomerates industry median ROC (Joel Greenblatt) % is 14.68. Phu Tai JSC's value of 21.13% is 43.9% above this industry median. Based on the distribution chart, Phu Tai JSC ranks #224 out of 564 companies in the Conglomerates industry, which is above the industry midpoint. Overall, Phu Tai JSC has a GF Score™ of 87/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Phu Tai JSC's ROC (Joel Greenblatt) % compare to HON and MMM?
According to the Conglomerates industry distribution chart, Phu Tai JSC ranks #224 out of 564 companies for ROC (Joel Greenblatt) %. This puts Phu Tai JSC in the upper half of its industry. The industry median ROC (Joel Greenblatt) % is 14.68. Phu Tai JSC's value of 21.13% is 43.9% above this benchmark. Historically, Phu Tai JSC's own ROC (Joel Greenblatt) % has ranged from 12.43 to 22.64 over the past decade. While the company's 10-year median is 19.73 vs. the industry median of 14.68, Phu Tai JSC 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 ROC (Joel Greenblatt) % for a Conglomerates company?
The median ROC (Joel Greenblatt) % among Conglomerates companies is 14.68, based on 564 companies in the industry. Companies in the top quartile (top 25%) have a ROC (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, ROC (Joel Greenblatt) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Phu Tai JSC's current ROC (Joel Greenblatt) % of 21.13% is 43.9% 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 ROC (Joel Greenblatt) % mean?
A high ROC (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on Phu Tai JSC and its competitors. For the Conglomerates industry, the median ROC (Joel Greenblatt) % is 14.68 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Phu Tai JSC's current ROC (Joel Greenblatt) % is 21.13%, which is near median its own 10-year median of 19.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Phu Tai JSC stock overvalued right now?
Based on GuruFocus' analysis, Phu Tai JSC (STC:PTB) is currently considered Modestly Undervalued. The stock's GF Value™ is ₫45,570.80, compared to a current price of ₫36,500.00 — trading 19.9% below its estimated fair value. The current ROC (Joel Greenblatt) % is 21.13%, which is near median its 10-year median of 19.73 and 43.9% above the Conglomerates industry median of 14.68. Phu Tai JSC's overall GF Score™ is 87/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROC (Joel Greenblatt) % calculated?
ROC (Joel Greenblatt) % is calculated from a company's financial statements. For Phu Tai JSC (STC:PTB), the current ROC (Joel Greenblatt) % is 21.13% 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 Phu Tai JSC (STC:PTB) Overvalued in 2026?
Based on GuruFocus' analysis, Phu Tai JSC stock appears to be undervalued.
The current stock price of ₫36,500.00 is trading 19.9% below its estimated GF Value™ of ₫45,570.80.
GuruFocus considers Phu Tai JSC to be Modestly Undervalued.
Key valuation signals for STC:PTB:
ROC (Joel Greenblatt) %: 21.13% (near median its 10-year median of 19.73)
GF Value™: ₫45,570.80 vs. price of ₫36,500.00 (19.9% below fair value)
Industry Position: 43.9% above the Conglomerates median (#224 of 564)
No single metric tells the full story. See the STC:PTB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Phu Tai JSC is engaged in three businesses as natural stone business, the wooden furniture business, and the Toyota cars business. Its natural stone business provides natural granite and basalt-based products. Wooden business supplies, furniture, and indoor decorative furniture. Toyota's car business includes selling commercial and passenger vehicles.
87GF Score
Get the complete analysis for STC:PTB
ROC (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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