IOVTEC Co (ROCO:7583) Earnings Yield (Joel Greenblatt) %: 4.63% (As of Jun. 2026) — 47% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

ROCO:7583 IOVTEC Co Ltd ROCO:7583
38 GF Score
Price NT$25.05
GF Value NT$85.32
Valuation Possible Value Trap
! 5 Warning Signs
View Full Analysis

What is IOVTEC Co Earnings Yield (Joel Greenblatt) %?

IOVTEC Co ROCO:7583 +1.01% 38 Earnings Yield (Joel Greenblatt) % is 4.63% as of Jun. 2026, which is 47% below its 10-year median of 8.78. GuruFocus rates ROCO:7583 with a GF Score™ of 38/100 and a GF Value™ of NT$85.32 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 1,808 Construction companies, IOVTEC Co ranks better than 57.25% on this metric.

IOVTEC Co's Enterprise Value for the quarter that ended in Jun. 2026 was NT$1,149 Mil. IOVTEC Co's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was NT$53 Mil. IOVTEC Co's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was 4.63%.

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

ROCO:7583' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: 2.98   Med: 8.78   Max: 26.87
Current: 7.83

During the past 5 years, the highest Earnings Yield (Joel Greenblatt) of IOVTEC Co was 26.87%. The lowest was 2.98%. And the median was 8.78%.

ROCO:7583's Earnings Yield (Joel Greenblatt) % is ranked better than
57.25% of 1808 companies
in the Construction industry
Industry Median: 6.37 vs ROCO:7583: 7.83

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) %. IOVTEC Co's Forward Rate of Return (Yacktman) % for the quarter that ended in Jun. 2026 was %. 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.


IOVTEC Co  (ROCO:7583) 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.


IOVTEC Co Earnings Yield (Joel Greenblatt) % Related Terms


IOVTEC Co Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for IOVTEC 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.

IOVTEC Co Earnings Yield (Joel Greenblatt) % Chart

IOVTEC Co Annual Data
Trend Dec21 Dec22 Dec23 Dec24 Dec25
Earnings Yield (Joel Greenblatt) %
- - 5.12 13.36 7.74

IOVTEC Co Semi-Annual Data
Jun23 Jun24 Dec24 Jun25 Dec25 Jun26
Earnings Yield (Joel Greenblatt) % Get a 7-Day Free Trial 4.97 13.14 4.63 7.55 4.63

ROCO:7583 vs PWR, FIX, EME: Earnings Yield (Joel Greenblatt) % Comparison

For the Engineering & Construction subindustry, IOVTEC 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.


IOVTEC Co Earnings Yield (Joel Greenblatt) % vs Construction Industry

For the Construction industry and Industrials sector, IOVTEC Co's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where IOVTEC Co's Earnings Yield (Joel Greenblatt) % falls into.


ROCO:7583
38GF Score
IOVTEC Co Ltd ROCO:7583
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

IOVTEC 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.

IOVTEC Cos Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=124.186/1603.9055
=7.74 %

For company reported semi-annually or annually, GuruFocus only calculate annual data for Earnings Yield (Joel Greenblatt) and apply the annual figure to corresponding quarter.


What does a Earnings Yield (Joel Greenblatt) % of 4.63% mean?
IOVTEC Co (ROCO:7583) has a Earnings Yield (Joel Greenblatt) % of 4.63% 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 IOVTEC Co and its competitors. This is 47% below median its historical median of 8.78. Over the past decade, IOVTEC Co's Earnings Yield (Joel Greenblatt) % has ranged from 2.98 to 26.87. According to the industry distribution chart, IOVTEC Co ranks #773 out of 1808 companies in the Construction industry, placing it in the top 42.8%.
Is IOVTEC Co's Earnings Yield (Joel Greenblatt) % too high?
IOVTEC Co's current Earnings Yield (Joel Greenblatt) % of 4.63% is 47% below median its 10-year median of 8.78. Over the past 10 years, this metric has ranged from a low of 2.98 to a high of 26.87. The Construction industry median Earnings Yield (Joel Greenblatt) % is 6.37. IOVTEC Co's value of 4.63% is 27.3% below this industry median. Based on the distribution chart, IOVTEC Co ranks #773 out of 1808 companies in the Construction industry, which is above the industry midpoint. Overall, IOVTEC Co has a GF Score™ of 38/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does IOVTEC Co's Earnings Yield (Joel Greenblatt) % compare to PWR and FIX?
According to the Construction industry distribution chart, IOVTEC Co ranks #773 out of 1808 companies for Earnings Yield (Joel Greenblatt) %. This puts IOVTEC Co in the upper half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 6.37. IOVTEC Co's value of 4.63% is 27.3% below this benchmark. Historically, IOVTEC Co's own Earnings Yield (Joel Greenblatt) % has ranged from 2.98 to 26.87 over the past decade. While the company's 10-year median is 8.78 vs. the industry median of 6.37, IOVTEC 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 6.37, based on 1,808 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. IOVTEC Co's current Earnings Yield (Joel Greenblatt) % of 4.63% is 27.3% 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 IOVTEC Co and its competitors. For the Construction industry, the median Earnings Yield (Joel Greenblatt) % is 6.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. IOVTEC Co's current Earnings Yield (Joel Greenblatt) % is 4.63%, which is 47% below median its own 10-year median of 8.78. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is IOVTEC Co stock overvalued right now?
Based on GuruFocus' analysis, IOVTEC Co (ROCO:7583) is currently considered Possible Value Trap. The stock's GF Value™ is NT$85.32, compared to a current price of NT$25.05 — trading 70.6% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 4.63%, which is 47% below median its 10-year median of 8.78 and 27.3% below the Construction industry median of 6.37. IOVTEC Co's overall GF Score™ is 38/100 with 5 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 IOVTEC Co (ROCO:7583), the current Earnings Yield (Joel Greenblatt) % is 4.63% 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 IOVTEC Co (ROCO:7583) Overvalued in 2026?

Based on GuruFocus' analysis, IOVTEC Co stock appears to be undervalued. The current stock price of NT$25.05 is trading 70.6% below its estimated GF Value™ of NT$85.32. GuruFocus considers IOVTEC Co to be Possible Value Trap.

Key valuation signals for ROCO:7583:

  • Earnings Yield (Joel Greenblatt) %: 4.63% (47% below median its 10-year median of 8.78)
  • GF Value™: NT$85.32 vs. price of NT$25.05 (70.6% below fair value)
  • GF Score™: 38/100 with 5 warning signs
  • Industry Position: 27.3% below the Construction median (#773 of 1808)

No single metric tells the full story. See the ROCO:7583 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


IOVTEC Co Business Description

Address No. 89, Section 5, Nanjing East Road, 9th Floor, Songshan District, Taipei, TWN, 105409
IOVTEC Co Ltd formerly International Ocean Vessel Technical Consuitant Co Ltd is a Taiwan based company operating offering integrated services across multiple sectors. It is a local survey company that steps into the offshore wind market in Taiwan to provide integrated offshore wind services for the country's landmark projects. The company provides the services in following areas such as Marine services and Land services. Marine services include Site Appraisal and Concept Design, Foundation Design and UXO Risk Mitigation. Land services include Track Twin, Vegetation Control and Site characterization.
38GF Score

Get the complete analysis for ROCO:7583

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

NT$25.05
Price
NT$85.32
GF Value