G-Tech Optoelectronics (TPE:3149) Earnings Yield (Joel Greenblatt) %: -2.08% (As of Jun. 2026)

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TPE:3149 G-Tech Optoelectronics Corp TPE:3149
55 GF Score
Price NT$67.20
GF Value NT$24.12
Valuation Significantly Overvalued
! 3 Warning Signs
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What is G-Tech Optoelectronics Earnings Yield (Joel Greenblatt) %?

G-Tech Optoelectronics TPE:3149 -1.18% 55 Earnings Yield (Joel Greenblatt) % is -2.08% as of Jun. 2026. GuruFocus rates TPE:3149 with a GF Score™ of 55/100 and a GF Value™ of NT$24.12 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 2,497 Hardware companies, G-Tech Optoelectronics ranks worse than 80.26% on this metric.

G-Tech Optoelectronics's Enterprise Value for the quarter that ended in Jun. 2026 was NT$23,642 Mil. G-Tech Optoelectronics's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was NT$-491 Mil. G-Tech Optoelectronics's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was -2.08%.

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

TPE:3149' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -22.61   Med: -2.9   Max: 1.36
Current: -2.47

During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of G-Tech Optoelectronics was 1.36%. The lowest was -22.61%. And the median was -2.90%.

TPE:3149's Earnings Yield (Joel Greenblatt) % is ranked worse than
80.26% of 2497 companies
in the Hardware industry
Industry Median: 2.7 vs TPE:3149: -2.47

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) %. G-Tech Optoelectronics'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.


G-Tech Optoelectronics  (TPE:3149) 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.


G-Tech Optoelectronics Earnings Yield (Joel Greenblatt) % Related Terms


G-Tech Optoelectronics Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for G-Tech Optoelectronics'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.

G-Tech Optoelectronics Earnings Yield (Joel Greenblatt) % Chart

G-Tech Optoelectronics 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 -1.00 -4.76 -1.40 -2.76 -6.95

G-Tech Optoelectronics 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 -6.08 -5.49 -6.95 -5.00 -2.08

TPE:3149 vs APH, GLW, TEL: Earnings Yield (Joel Greenblatt) % Comparison

For the Electronic Components subindustry, G-Tech Optoelectronics'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.


G-Tech Optoelectronics Earnings Yield (Joel Greenblatt) % vs Hardware Industry

For the Hardware industry and Technology sector, G-Tech Optoelectronics's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

* The bar in red indicates where G-Tech Optoelectronics's Earnings Yield (Joel Greenblatt) % falls into.


TPE:3149
55GF Score
G-Tech Optoelectronics Corp TPE:3149
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

G-Tech Optoelectronics 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.

G-Tech Optoelectronicss Earnings Yield (Joel Greenblatt) for the fiscal year that ended in Dec. 2025 is calculated as

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=-609.129/8760.412771824
=-6.95 %

G-Tech Optoelectronics'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$-491 Mil.


What does a Earnings Yield (Joel Greenblatt) % of -2.08% mean?
G-Tech Optoelectronics (TPE:3149) has a Earnings Yield (Joel Greenblatt) % of -2.08% 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 G-Tech Optoelectronics and its competitors. According to the industry distribution chart, G-Tech Optoelectronics ranks #2004 out of 2497 companies in the Hardware industry, placing it in the top 80.3%.
Is G-Tech Optoelectronics' Earnings Yield (Joel Greenblatt) % too high?
G-Tech Optoelectronics' current Earnings Yield (Joel Greenblatt) % is -2.08%. Based on the distribution chart, G-Tech Optoelectronics ranks #2004 out of 2497 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, G-Tech Optoelectronics has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does G-Tech Optoelectronics' Earnings Yield (Joel Greenblatt) % compare to APH and GLW?
According to the Hardware industry distribution chart, G-Tech Optoelectronics ranks #2004 out of 2497 companies for Earnings Yield (Joel Greenblatt) %. This places G-Tech Optoelectronics in the lower half of its industry. The industry median Earnings Yield (Joel Greenblatt) % is 2.70. 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 2.70, based on 2,497 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 G-Tech Optoelectronics and its competitors. For the Hardware industry, the median Earnings Yield (Joel Greenblatt) % is 2.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. G-Tech Optoelectronics's current Earnings Yield (Joel Greenblatt) % is -2.08%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is G-Tech Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, G-Tech Optoelectronics (TPE:3149) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$24.12, compared to a current price of NT$67.20 — trading 178.6% above its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is -2.08%. G-Tech Optoelectronics' overall GF Score™ is 55/100 with 3 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 G-Tech Optoelectronics (TPE:3149), the current Earnings Yield (Joel Greenblatt) % is -2.08% 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 G-Tech Optoelectronics (TPE:3149) Overvalued in 2026?

Based on GuruFocus' analysis, G-Tech Optoelectronics stock appears to be overvalued. The current stock price of NT$67.20 is trading 178.6% above its estimated GF Value™ of NT$24.12. GuruFocus considers G-Tech Optoelectronics to be Significantly Overvalued.

Key valuation signals for TPE:3149:

  • Earnings Yield (Joel Greenblatt) %: -2.08%
  • GF Value™: NT$24.12 vs. price of NT$67.20 (178.6% above fair value)
  • GF Score™: 55/100 with 3 warning signs

No single metric tells the full story. See the TPE:3149 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


G-Tech Optoelectronics Business Description

Address No. 99, Zhongxing Road, Tongluo Township, Miaoli, TWN, 36647
G-Tech Optoelectronics Corp operates in an optoelectronic glass processing market. The company manufactures and markets optical glass products and electronic components. The segments of the company are Smart optoelectronics, that is revenue-generating segment; Smart buildings, and Smart cars. The Smart optoelectronics is in charge of designing, manufacturing, and selling general consumer electronics vehicle glass as well as protective touch control glass for industrial control computers.
55GF Score

Get the complete analysis for TPE:3149

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

NT$67.20
Price
NT$24.12
GF Value