Fullhome Development Co (ROCO:5345) Earnings Yield (Joel Greenblatt) %: -0.42% (As of Jun. 2026)

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ROCO:5345 Fullhome Development Co Ltd ROCO:5345
55 GF Score
Price NT$22.10
GF Value NT$78.96
Valuation Possible Value Trap
! 2 Warning Signs
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What is Fullhome Development Co Earnings Yield (Joel Greenblatt) %?

Fullhome Development Co ROCO:5345 -2.21% 55 Earnings Yield (Joel Greenblatt) % is -0.42% as of Jun. 2026. GuruFocus rates ROCO:5345 with a GF Score™ of 55/100 and a GF Value™ of NT$78.96 (Possible Value Trap). The stock has 2 warning signs investors should review. Among 2,490 Hardware companies, Fullhome Development Co ranks worse than 73.98% on this metric.

Fullhome Development Co's Enterprise Value for the quarter that ended in Jun. 2026 was NT$869.40 Mil. Fullhome Development Co's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was NT$-3.62 Mil. Fullhome Development Co's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was -0.42%.

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

ROCO:5345' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -21570.93   Med: -17.11   Max: 9595.93
Current: -0.52

During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Fullhome Development Co was 9595.93%. The lowest was -21570.93%. And the median was -17.11%.

ROCO:5345's Earnings Yield (Joel Greenblatt) % is ranked worse than
73.98% of 2490 companies
in the Hardware industry
Industry Median: 2.525 vs ROCO:5345: -0.52

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) %. Fullhome Development 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.


Fullhome Development Co  (ROCO:5345) 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.


Fullhome Development Co Earnings Yield (Joel Greenblatt) % Related Terms


Fullhome Development Co Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Fullhome Development 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.

Fullhome Development Co Earnings Yield (Joel Greenblatt) % Chart

Fullhome Development Co 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 -7.33 -19.88 -12.47 -11.13 -1.55

Fullhome Development Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 -6.90 -3.17 -1.55 -1.36 -0.42

ROCO:5345 vs APH, GLW, TEL: Earnings Yield (Joel Greenblatt) % Comparison

For the Electronic Components subindustry, Fullhome Development 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.


Fullhome Development Co Earnings Yield (Joel Greenblatt) % vs Hardware Industry

For the Hardware industry and Technology sector, Fullhome Development Co's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

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


ROCO:5345
55GF Score
Fullhome Development Co Ltd ROCO:5345
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Fullhome Development 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.

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

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=-11.972/771.9355
=-1.55 %

Fullhome Development 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$-3.62 Mil.


What does a Earnings Yield (Joel Greenblatt) % of -0.42% mean?
Fullhome Development Co (ROCO:5345) has a Earnings Yield (Joel Greenblatt) % of -0.42% 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 Fullhome Development Co and its competitors. According to the industry distribution chart, Fullhome Development Co ranks #1842 out of 2490 companies in the Hardware industry, placing it in the top 74%.
Is Fullhome Development Co's Earnings Yield (Joel Greenblatt) % too high?
Fullhome Development Co's current Earnings Yield (Joel Greenblatt) % is -0.42%. Based on the distribution chart, Fullhome Development Co ranks #1842 out of 2490 companies in the Hardware industry, which is below the industry midpoint. Overall, Fullhome Development Co has a GF Score™ of 55/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Fullhome Development Co's Earnings Yield (Joel Greenblatt) % compare to APH and GLW?
According to the Hardware industry distribution chart, Fullhome Development Co ranks #1842 out of 2490 companies for Earnings Yield (Joel Greenblatt) %. This places Fullhome Development Co in the lower half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 2.53. 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 Hardware company?
The median Earnings Yield (Joel Greenblatt) % among Hardware companies is 2.53, based on 2,490 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. 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 Fullhome Development Co and its competitors. For the Hardware industry, the median Earnings Yield (Joel Greenblatt) % is 2.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fullhome Development Co's current Earnings Yield (Joel Greenblatt) % is -0.42%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fullhome Development Co stock overvalued right now?
Based on GuruFocus' analysis, Fullhome Development Co (ROCO:5345) is currently considered Possible Value Trap. The stock's GF Value™ is NT$78.96, compared to a current price of NT$22.10 — trading 72% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is -0.42%. Fullhome Development Co's overall GF Score™ is 55/100 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 Fullhome Development Co (ROCO:5345), the current Earnings Yield (Joel Greenblatt) % is -0.42% 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 Fullhome Development Co (ROCO:5345) Overvalued in 2026?

Based on GuruFocus' analysis, Fullhome Development Co stock appears to be undervalued. The current stock price of NT$22.10 is trading 72% below its estimated GF Value™ of NT$78.96. GuruFocus considers Fullhome Development Co to be Possible Value Trap.

Key valuation signals for ROCO:5345:

  • Earnings Yield (Joel Greenblatt) %: -0.42%
  • GF Value™: NT$78.96 vs. price of NT$22.10 (72% below fair value)
  • GF Score™: 55/100 with 2 warning signs

No single metric tells the full story. See the ROCO:5345 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Fullhome Development Co Business Description

Address No. 65, Section 3, Nanjing East Road, Room 702, 7th Floor, Zhongshan District, Taipei City, TWN
Fullhome Development Co Ltd is engaged in Battery design, development, and sales.
55GF Score

Get the complete analysis for ROCO:5345

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

NT$22.10
Price
NT$78.96
GF Value