Tianyi Water Energy Solutions (ROCO:4530) Earnings Yield (Joel Greenblatt) %: 7.54% (As of Mar. 2026)

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ROCO:4530 Tianyi Water Energy Solutions Inc ROCO:4530
60 GF Score
Price NT$26.80
GF Value NT$39.45
Valuation Possible Value Trap
! 2 Warning Signs
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What is Tianyi Water Energy Solutions Earnings Yield (Joel Greenblatt) %?

Tianyi Water Energy Solutions ROCO:4530 +4.69% 60 Earnings Yield (Joel Greenblatt) % is 7.54% as of Mar. 2026. GuruFocus rates ROCO:4530 with a GF Score™ of 60/100 and a GF Value™ of NT$39.45 (Possible Value Trap). The stock has 2 warning signs investors should review. Among 3,086 Industrial Products companies, Tianyi Water Energy Solutions ranks better than 76.41% on this metric.

Tianyi Water Energy Solutions's Enterprise Value for the quarter that ended in Mar. 2026 was NT$789.0 Mil. Tianyi Water Energy Solutions's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 was NT$59.5 Mil. Tianyi Water Energy Solutions's Earnings Yield (Joel Greenblatt) for the quarter that ended in Mar. 2026 was 7.54%.

The historical rank and industry rank for Tianyi Water Energy Solutions's Earnings Yield (Joel Greenblatt) % or its related term are showing as below:

ROCO:4530' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -871.33   Med: -4   Max: 502.38
Current: 7.8

During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Tianyi Water Energy Solutions was 502.38%. The lowest was -871.33%. And the median was -4.00%.

ROCO:4530's Earnings Yield (Joel Greenblatt) % is ranked better than
76.41% of 3086 companies
in the Industrial Products industry
Industry Median: 3.27 vs ROCO:4530: 7.80

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) %. Tianyi Water Energy Solutions's Forward Rate of Return (Yacktman) % for the quarter that ended in Mar. 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.


Tianyi Water Energy Solutions  (ROCO:4530) 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.

Forward Rate of Return (Yacktman) % based on Don Yacktman's definition is a better measure of the expected rate of return for a stock.


Tianyi Water Energy Solutions Earnings Yield (Joel Greenblatt) % Related Terms


Tianyi Water Energy Solutions Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Tianyi Water Energy Solutions'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.

Tianyi Water Energy Solutions Earnings Yield (Joel Greenblatt) % Chart

Tianyi Water Energy Solutions Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Earnings Yield (Joel Greenblatt) %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -4.37 -1.54 -17.57 1.76 8.50

Tianyi Water Energy Solutions Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Earnings Yield (Joel Greenblatt) % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.98 2.91 2.90 8.50 7.54

ROCO:4530 vs CRS, ATI, MLI: Earnings Yield (Joel Greenblatt) % Comparison

For the Metal Fabrication subindustry, Tianyi Water Energy Solutions'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.


Tianyi Water Energy Solutions Earnings Yield (Joel Greenblatt) % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Tianyi Water Energy Solutions's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where Tianyi Water Energy Solutions's Earnings Yield (Joel Greenblatt) % falls into.


ROCO:4530
60GF Score
Tianyi Water Energy Solutions Inc ROCO:4530
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tianyi Water Energy Solutions 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.

Tianyi Water Energy Solutionss Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=62.862/739.69325
=8.50 %

Tianyi Water Energy Solutions's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$59.5 Mil.


What does a Earnings Yield (Joel Greenblatt) % of 7.54% mean?
Tianyi Water Energy Solutions (ROCO:4530) has a Earnings Yield (Joel Greenblatt) % of 7.54% as of Mar. 2026. Joel Greenblatt's earnings yield equals the ratio of earnings before interest and taxes to enterprise value. View historical data on Tianyi Water Energy Solutions and its competitors. According to the industry distribution chart, Tianyi Water Energy Solutions ranks #728 out of 3086 companies in the Industrial Products industry, placing it in the top 23.6%.
Is Tianyi Water Energy Solutions' Earnings Yield (Joel Greenblatt) % too high?
Tianyi Water Energy Solutions' current Earnings Yield (Joel Greenblatt) % is 7.54%. The Industrial Products industry median Earnings Yield (Joel Greenblatt) % is 3.27. Tianyi Water Energy Solutions' value of 7.54% is 130.6% above this industry median. Based on the distribution chart, Tianyi Water Energy Solutions ranks #728 out of 3086 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Tianyi Water Energy Solutions has a GF Score™ of 60/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Tianyi Water Energy Solutions' Earnings Yield (Joel Greenblatt) % compare to CRS and ATI?
According to the Industrial Products industry distribution chart, Tianyi Water Energy Solutions ranks #728 out of 3086 companies for Earnings Yield (Joel Greenblatt) %. This places Tianyi Water Energy Solutions in the top 24% of its industry — outperforming the majority of peers. The industry median Earnings Yield (Joel Greenblatt) % is 3.27. Tianyi Water Energy Solutions' value of 7.54% is 130.6% above this benchmark. 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 an Industrial Products company?
The median Earnings Yield (Joel Greenblatt) % among Industrial Products companies is 3.27, based on 3,086 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. Tianyi Water Energy Solutions's current Earnings Yield (Joel Greenblatt) % of 7.54% is 130.6% 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 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 Tianyi Water Energy Solutions and its competitors. For the Industrial Products industry, the median Earnings Yield (Joel Greenblatt) % is 3.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tianyi Water Energy Solutions's current Earnings Yield (Joel Greenblatt) % is 7.54%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tianyi Water Energy Solutions stock overvalued right now?
Based on GuruFocus' analysis, Tianyi Water Energy Solutions (ROCO:4530) is currently considered Possible Value Trap. The stock's GF Value™ is NT$39.45, compared to a current price of NT$26.80 — trading 32.1% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 7.54% and 130.6% above the Industrial Products industry median of 3.27. Tianyi Water Energy Solutions' overall GF Score™ is 60/100 with 2 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 Tianyi Water Energy Solutions (ROCO:4530), the current Earnings Yield (Joel Greenblatt) % is 7.54% 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 Tianyi Water Energy Solutions (ROCO:4530) Overvalued in 2026?

Based on GuruFocus' analysis, Tianyi Water Energy Solutions stock appears to be undervalued. The current stock price of NT$26.80 is trading 32.1% below its estimated GF Value™ of NT$39.45. GuruFocus considers Tianyi Water Energy Solutions to be Possible Value Trap.

Key valuation signals for ROCO:4530:

  • Earnings Yield (Joel Greenblatt) %: 7.54%
  • GF Value™: NT$39.45 vs. price of NT$26.80 (32.1% below fair value)
  • GF Score™: 60/100 with 2 warning signs
  • Industry Position: 130.6% above the Industrial Products median (#728 of 3086)

No single metric tells the full story. See the ROCO:4530 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tianyi Water Energy Solutions Business Description

Address Sec. 2, Chang\'an E. Road, 12th Floor-4, No. 112, Zhongshan Dist, Taipei, TWN, 104
Honyi International Co Ltd is engaged in processing and trading of metal forging, treatment of wastewater and sewage, wholesale of industrial additives, and construction of environmental protection engineering projects. Its segments include catering segment, metal forging and processing segment, environmental engineering segment, and other segments. The majority of the revenue is derived from the environmental engineering segment.
60GF Score

Get the complete analysis for ROCO:4530

Earnings Yield (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$26.80
Price
NT$39.45
GF Value