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.
Permsin Steel Works PCLBKK:PERM 20 Earnings Yield (Joel Greenblatt) % is 0.14% as of Jun. 2026, which is 86% below its 10-year median of 1.01. GuruFocus rates BKK:PERM with a GF Score™ of 20/100 and a GF Value™ of ฿0.38 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 631 Steel companies, Permsin Steel Works PCL ranks worse than 76.7% on this metric.
Permsin Steel Works PCL's Enterprise Value for the quarter that ended in Jun. 2026 was ฿3,278 Mil.
Permsin Steel Works PCL's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was ฿5 Mil. Permsin Steel Works PCL's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was 0.14%.
The historical rank and industry rank for Permsin Steel Works PCL's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
BKK:PERM'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -15.71 Med: 1.01 Max: 16.77
Current: 0.14
During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Permsin Steel Works PCL was 16.77%. The lowest was -15.71%. And the median was 1.01%.
BKK:PERM's Earnings Yield (Joel Greenblatt) % is ranked worse than 76.7% of 631
companies
in the Steel industry
Industry Median: 5.65
vs BKK:PERM: 0.14
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
A better indicator of the attractiveness of an investment which takes growth into account is the Forward Rate of Return (Yacktman) %. Permsin Steel Works PCL's Forward Rate of Return (Yacktman) % for the quarter that ended in Jun. 2026 was 0.00%. The Forward Rate of Return uses the normalized Free Cash Flow of the past five years, and considers growth. The forward rate of return can be thought of as the return that investors buying the stock today can expect from it in the future.
Joel Greenblatt defines the earnings yield using the above equation because it more accurately reflects the company's profitability relative to its stock price. Items like interest payment and tax etc. are not directly related to the company's operational profitability.
Enterprise Value instead of market cap (share price) is used in the calculation because it is the real price stock and bond investors together pay for the company.
Be Aware
Joel Greenblatt's definition of earnings yield has the same problems the regular earnings yield does. It does not consider the growth of the company. It only looks at one-year's business operation. For cyclical companies, the earnings yield is usually highest at the peak of the business cycle. But these earnings are rarely sustainable.
Permsin Steel Works PCL Earnings Yield (Joel Greenblatt) % Related Terms
Permsin Steel Works PCL Earnings Yield (Joel Greenblatt) % Historical Data
* Premium members only.
The historical data trend for Permsin Steel Works PCL's Earnings Yield (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.
Permsin Steel Works PCL Earnings Yield (Joel Greenblatt) % Chart
For the Steel subindustry, Permsin Steel Works PCL's Earnings Yield (Joel Greenblatt) %, along with its competitors' market caps and Earnings Yield (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.
Permsin Steel Works PCL Earnings Yield (Joel Greenblatt) % vs Steel Industry
For the Steel industry and Basic Materials sector, Permsin Steel Works PCL's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Permsin Steel Works PCL's Earnings Yield (Joel Greenblatt) % falls into.
Permsin Steel Works PCL Earnings Yield (Joel Greenblatt) % Calculation
In his book, The Little That Beat the Market, hedge fund manager Joel Greenblatt defines Earnings Yield as operating income divided by enterprise value.
Permsin Steel Works PCLs Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as
Permsin Steel Works PCL's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was ฿5 Mil.
What does a Earnings Yield (Joel Greenblatt) % of 0.14% mean?
Permsin Steel Works PCL (BKK:PERM) has a Earnings Yield (Joel Greenblatt) % of 0.14% as of Jun. 2026. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Permsin Steel Works PCL and its competitors. This is 86% below median its historical median of 1.01. According to the industry distribution chart, Permsin Steel Works PCL ranks #484 out of 631 companies in the Steel industry, placing it in the top 76.7%.
Is Permsin Steel Works PCL's Earnings Yield (Joel Greenblatt) % too high?
Permsin Steel Works PCL's current Earnings Yield (Joel Greenblatt) % of 0.14% is 86% below median its 10-year median of 1.01. The Steel industry median Earnings Yield (Joel Greenblatt) % is 5.65. Permsin Steel Works PCL's value of 0.14% is 97.5% below this industry median. Based on the distribution chart, Permsin Steel Works PCL ranks #484 out of 631 companies in the Steel industry, which is in the bottom quartile relative to peers. Overall, Permsin Steel Works PCL has a GF Score™ of 20/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Permsin Steel Works PCL's Earnings Yield (Joel Greenblatt) % compare to NUE and STLD?
According to the Steel industry distribution chart, Permsin Steel Works PCL ranks #484 out of 631 companies for Earnings Yield (Joel Greenblatt) %. This places Permsin Steel Works PCL in the lower half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 5.65. Permsin Steel Works PCL's value of 0.14% is 97.5% below this benchmark. While the company's 10-year median is 1.01 vs. the industry median of 5.65, Permsin Steel Works PCL has consistently been below 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 Earnings Yield (Joel Greenblatt) % for a Steel company?
The median Earnings Yield (Joel Greenblatt) % among Steel companies is 5.65, based on 631 companies in the industry. Companies in the top quartile (top 25%) have a Earnings Yield (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, Earnings Yield (Joel Greenblatt) % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Permsin Steel Works PCL's current Earnings Yield (Joel Greenblatt) % of 0.14% is 97.5% below 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 Earnings Yield (Joel Greenblatt) % mean?
A high Earnings Yield (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Permsin Steel Works PCL and its competitors. For the Steel industry, the median Earnings Yield (Joel Greenblatt) % is 5.65 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Permsin Steel Works PCL's current Earnings Yield (Joel Greenblatt) % is 0.14%, which is 86% below median its own 10-year median of 1.01. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Permsin Steel Works PCL stock overvalued right now?
Based on GuruFocus' analysis, Permsin Steel Works PCL (BKK:PERM) is currently considered Possible Value Trap. The stock's GF Value™ is ฿0.38, compared to a current price of ฿0.26 — trading 31.6% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 0.14%, which is 86% below median its 10-year median of 1.01 and 97.5% below the Steel industry median of 5.65. Permsin Steel Works PCL's overall GF Score™ is 20/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Earnings Yield (Joel Greenblatt) % calculated?
Earnings Yield (Joel Greenblatt) % is calculated from a company's financial statements. For Permsin Steel Works PCL (BKK:PERM), the current Earnings Yield (Joel Greenblatt) % is 0.14% as of Jun. 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 Permsin Steel Works PCL (BKK:PERM) Overvalued in 2026?
Based on GuruFocus' analysis, Permsin Steel Works PCL stock appears to be undervalued.
The current stock price of ฿0.26 is trading 31.6% below its estimated GF Value™ of ฿0.38.
GuruFocus considers Permsin Steel Works PCL to be Possible Value Trap.
Key valuation signals for BKK:PERM:
Earnings Yield (Joel Greenblatt) %: 0.14% (86% below median its 10-year median of 1.01)
GF Value™: ฿0.38 vs. price of ฿0.26 (31.6% below fair value)
Industry Position: 97.5% below the Steel median (#484 of 631)
No single metric tells the full story. See the BKK:PERM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Permsin Steel Works PCL is principally engaged in the manufacture and distribution of hot rolled steel and cold rolled steel, C-channel, galvanized high tensile strength, electro-galvanized steel, C-line, C-U, t-bar, and roll forming metal sheet. The Group has three reportable segments: the Distribution of rolled steel segment, the Manufacturing and distribution of metal sheet segment, and the Manufacturing and distribution of pre-painted steel coil segment. The majority of revenue is from the Manufacturing and distribution of metal sheet segment.
20GF Score
Get the complete analysis for BKK:PERM
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
BKK:PERM has been successfully added to your 
