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.
Yankey Engineering CoTPE:6691 +2.65%99 Earnings Yield (Joel Greenblatt) % is 6.14% as of Jun. 2026, which is 20% below its 10-year median of 7.63. GuruFocus rates TPE:6691 with a GF Score™ of 99/100 and a GF Value™ of NT$634.29 (Fairly Valued). The stock has 1 warning sign investors should review. Among 1,804 Construction companies, Yankey Engineering Co ranks better than 53.49% on this metric.
Yankey Engineering Co's Enterprise Value for the quarter that ended in Jun. 2026 was NT$83,532 Mil.
Yankey Engineering Co's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was NT$5,131 Mil. Yankey Engineering Co's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was 6.14%.
The historical rank and industry rank for Yankey Engineering Co's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:
TPE:6691'
s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: 1.11 Med: 7.63 Max: 29.17
Current: 6.94
During the past 12 years, the highest Earnings Yield (Joel Greenblatt) of Yankey Engineering Co was 29.17%. The lowest was 1.11%. And the median was 7.63%.
TPE:6691's Earnings Yield (Joel Greenblatt) % is ranked better than 53.49% of 1804
companies
in the Construction industry
Industry Median: 6.475
vs TPE:6691: 6.94
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) %. Yankey Engineering Co's Forward Rate of Return (Yacktman) % for the quarter that ended in Jun. 2026 was 22.24%. 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.
Yankey Engineering Co (TPE:6691) Earnings Yield (Joel Greenblatt) % Explanation
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.
Yankey Engineering Co Earnings Yield (Joel Greenblatt) % Related Terms
Yankey Engineering Co Earnings Yield (Joel Greenblatt) % Historical Data
* Premium members only.
The historical data trend for Yankey Engineering Co'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.
Yankey Engineering Co Earnings Yield (Joel Greenblatt) % Chart
For the Engineering & Construction subindustry, Yankey Engineering Co'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.
Yankey Engineering Co Earnings Yield (Joel Greenblatt) % vs Construction Industry
For the Construction industry and Industrials sector, Yankey Engineering Co's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Yankey Engineering Co's Earnings Yield (Joel Greenblatt) % falls into.
Yankey Engineering Co 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.
Yankey Engineering Cos Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as
Yankey Engineering Co'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 NT$5,131 Mil.
What does a Earnings Yield (Joel Greenblatt) % of 6.14% mean?
Yankey Engineering Co (TPE:6691) has a Earnings Yield (Joel Greenblatt) % of 6.14% 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 Yankey Engineering Co and its competitors. This is 20% below median its historical median of 7.63. Over the past decade, Yankey Engineering Co's Earnings Yield (Joel Greenblatt) % has ranged from 1.11 to 29.17. According to the industry distribution chart, Yankey Engineering Co ranks #839 out of 1804 companies in the Construction industry, placing it in the top 46.5%.
Is Yankey Engineering Co's Earnings Yield (Joel Greenblatt) % too high?
Yankey Engineering Co's current Earnings Yield (Joel Greenblatt) % of 6.14% is 20% below median its 10-year median of 7.63. Over the past 10 years, this metric has ranged from a low of 1.11 to a high of 29.17. The Construction industry median Earnings Yield (Joel Greenblatt) % is 6.48. Yankey Engineering Co's value of 6.14% is 5.2% below this industry median. Based on the distribution chart, Yankey Engineering Co ranks #839 out of 1804 companies in the Construction industry, which is above the industry midpoint. Overall, Yankey Engineering Co has a GF Score™ of 99/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Yankey Engineering Co's Earnings Yield (Joel Greenblatt) % compare to PWR and FIX?
According to the Construction industry distribution chart, Yankey Engineering Co ranks #839 out of 1804 companies for Earnings Yield (Joel Greenblatt) %. This puts Yankey Engineering Co in the upper half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 6.48. Yankey Engineering Co's value of 6.14% is 5.2% below this benchmark. Historically, Yankey Engineering Co's own Earnings Yield (Joel Greenblatt) % has ranged from 1.11 to 29.17 over the past decade. While the company's 10-year median is 7.63 vs. the industry median of 6.48, Yankey Engineering Co 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 Construction company?
The median Earnings Yield (Joel Greenblatt) % among Construction companies is 6.48, based on 1,804 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. Yankey Engineering Co's current Earnings Yield (Joel Greenblatt) % of 6.14% is 5.2% 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 Yankey Engineering Co and its competitors. For the Construction industry, the median Earnings Yield (Joel Greenblatt) % is 6.48 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Yankey Engineering Co's current Earnings Yield (Joel Greenblatt) % is 6.14%, which is 20% below median its own 10-year median of 7.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Yankey Engineering Co stock overvalued right now?
Based on GuruFocus' analysis, Yankey Engineering Co (TPE:6691) is currently considered Fairly Valued. The stock's GF Value™ is NT$634.29, compared to a current price of NT$619.00 — trading 2.4% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 6.14%, which is 20% below median its 10-year median of 7.63 and 5.2% below the Construction industry median of 6.48. Yankey Engineering Co's overall GF Score™ is 99/100 with 1 warning sign 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 Yankey Engineering Co (TPE:6691), the current Earnings Yield (Joel Greenblatt) % is 6.14% 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 Yankey Engineering Co (TPE:6691) Overvalued in 2026?
Based on GuruFocus' analysis, Yankey Engineering Co stock appears to be undervalued.
The current stock price of NT$619.00 is trading 2.4% below its estimated GF Value™ of NT$634.29.
GuruFocus considers Yankey Engineering Co to be Fairly Valued.
Key valuation signals for TPE:6691:
Earnings Yield (Joel Greenblatt) %: 6.14% (20% below median its 10-year median of 7.63)
GF Value™: NT$634.29 vs. price of NT$619.00 (2.4% below fair value)
Industry Position: 5.2% below the Construction median (#839 of 1804)
No single metric tells the full story. See the TPE:6691 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Yankey Engineering Co Ltd is engaged in the design and installation of clean room systems, refrigeration, air conditioning systems, and ice-making systems, as well as the sales of materials for these systems. The various services offered by the company include clean room system engineering, high and low voltage transmission system installation, design and construction of fire, water, and electrical systems, and providing comprehensive MEP (Mechanical, Electrical, Plumbing) turnkey services for commercial office buildings, among others. Geographically, the company generates the majority of its revenue from Taiwan and the rest from China, Thailand, Malaysia, and the USA.
99GF Score
Get the complete analysis for TPE:6691
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
TPE:6691 has been successfully added to your 
