Good Will Instrument Co (TPE:2423) Earnings Yield (Joel Greenblatt) %: 8.10% (As of Jun. 2026) — 27% Below Median

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TPE:2423 Good Will Instrument Co Ltd TPE:2423
77 GF Score
Price NT$72.60
GF Value NT$50.12
Valuation Significantly Overvalued
View Full Analysis

What is Good Will Instrument Co Earnings Yield (Joel Greenblatt) %?

Good Will Instrument Co TPE:2423 +0.83% 77 Earnings Yield (Joel Greenblatt) % is 8.10% as of Jun. 2026, which is 27% below its 10-year median of 11.10. GuruFocus rates TPE:2423 with a GF Score™ of 77/100 and a GF Value™ of NT$50.12 (Significantly Overvalued). Among 2,491 Hardware companies, Good Will Instrument Co ranks better than 75.35% on this metric.

Good Will Instrument Co's Enterprise Value for the quarter that ended in Jun. 2026 was NT$9,541 Mil. Good Will Instrument Co's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was NT$772 Mil. Good Will Instrument Co's Earnings Yield (Joel Greenblatt) for the quarter that ended in Jun. 2026 was 8.10%.

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

TPE:2423' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: 5.83   Med: 11.1   Max: 15.8
Current: 8.02

During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Good Will Instrument Co was 15.80%. The lowest was 5.83%. And the median was 11.10%.

TPE:2423's Earnings Yield (Joel Greenblatt) % is ranked better than
75.35% of 2491 companies
in the Hardware industry
Industry Median: 2.59 vs TPE:2423: 8.02

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) %. Good Will Instrument Co's Forward Rate of Return (Yacktman) % for the quarter that ended in Jun. 2026 was 10.96%. 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.


Good Will Instrument Co  (TPE:2423) 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.


Good Will Instrument Co Earnings Yield (Joel Greenblatt) % Related Terms


Good Will Instrument Co Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Good Will Instrument 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.

Good Will Instrument Co Earnings Yield (Joel Greenblatt) % Chart

Good Will Instrument 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 10.53 13.97 10.99 8.27 7.07

Good Will Instrument 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 8.62 6.57 7.05 10.91 8.10

TPE:2423 vs GRMN, COHR, KEYS: Earnings Yield (Joel Greenblatt) % Comparison

For the Scientific & Technical Instruments subindustry, Good Will Instrument 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.


Good Will Instrument Co Earnings Yield (Joel Greenblatt) % vs Hardware Industry

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

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


TPE:2423
77GF Score
Good Will Instrument Co Ltd TPE:2423
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Good Will Instrument 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.

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

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=531.045/7509.002
=7.07 %

Good Will Instrument 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$772 Mil.


What does a Earnings Yield (Joel Greenblatt) % of 8.10% mean?
Good Will Instrument Co (TPE:2423) has a Earnings Yield (Joel Greenblatt) % of 8.10% 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 Good Will Instrument Co and its competitors. This is 27% below median its historical median of 11.10. Over the past decade, Good Will Instrument Co's Earnings Yield (Joel Greenblatt) % has ranged from 5.83 to 15.80. According to the industry distribution chart, Good Will Instrument Co ranks #614 out of 2491 companies in the Hardware industry, placing it in the top 24.6%.
Is Good Will Instrument Co's Earnings Yield (Joel Greenblatt) % too high?
Good Will Instrument Co's current Earnings Yield (Joel Greenblatt) % of 8.10% is 27% below median its 10-year median of 11.10. Over the past 10 years, this metric has ranged from a low of 5.83 to a high of 15.80. The Hardware industry median Earnings Yield (Joel Greenblatt) % is 2.59. Good Will Instrument Co's value of 8.10% is 212.7% above this industry median. Based on the distribution chart, Good Will Instrument Co ranks #614 out of 2491 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Good Will Instrument Co has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Good Will Instrument Co's Earnings Yield (Joel Greenblatt) % compare to GRMN and COHR?
According to the Hardware industry distribution chart, Good Will Instrument Co ranks #614 out of 2491 companies for Earnings Yield (Joel Greenblatt) %. This places Good Will Instrument Co in the top 25% of its industry — outperforming the majority of peers. The industry median Earnings Yield (Joel Greenblatt) % is 2.59. Good Will Instrument Co's value of 8.10% is 212.7% above this benchmark. Historically, Good Will Instrument Co's own Earnings Yield (Joel Greenblatt) % has ranged from 5.83 to 15.80 over the past decade. While the company's 10-year median is 11.10 vs. the industry median of 2.59, Good Will Instrument Co has consistently been above 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 Hardware company?
The median Earnings Yield (Joel Greenblatt) % among Hardware companies is 2.59, based on 2,491 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. Good Will Instrument Co's current Earnings Yield (Joel Greenblatt) % of 8.10% is 212.7% 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 Good Will Instrument Co and its competitors. For the Hardware industry, the median Earnings Yield (Joel Greenblatt) % is 2.59 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Good Will Instrument Co's current Earnings Yield (Joel Greenblatt) % is 8.10%, which is 27% below median its own 10-year median of 11.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Good Will Instrument Co stock overvalued right now?
Based on GuruFocus' analysis, Good Will Instrument Co (TPE:2423) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$50.12, compared to a current price of NT$72.60 — trading 44.9% above its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 8.10%, which is 27% below median its 10-year median of 11.10 and 212.7% above the Hardware industry median of 2.59. Good Will Instrument Co's overall GF Score™ is 77/100. 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 Good Will Instrument Co (TPE:2423), the current Earnings Yield (Joel Greenblatt) % is 8.10% 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 Good Will Instrument Co (TPE:2423) Overvalued in 2026?

Based on GuruFocus' analysis, Good Will Instrument Co stock appears to be overvalued. The current stock price of NT$72.60 is trading 44.9% above its estimated GF Value™ of NT$50.12. GuruFocus considers Good Will Instrument Co to be Significantly Overvalued.

Key valuation signals for TPE:2423:

  • Earnings Yield (Joel Greenblatt) %: 8.10% (27% below median its 10-year median of 11.10)
  • GF Value™: NT$50.12 vs. price of NT$72.60 (44.9% above fair value)
  • GF Score™: 77/100
  • Industry Position: 212.7% above the Hardware median (#614 of 2491)

No single metric tells the full story. See the TPE:2423 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Good Will Instrument Co Business Description

Address Jhongsing Road, No. 7-1, Tucheng District, New Taipei City, TWN, 236
Good Will Instrument Co Ltd manufactures and sells electrical testing instruments, communication equipment, and related products. Its products include oscilloscopes, spectrum analyzers, signal sources, power supplies, public broadcasting and video monitoring systems, environmental testing equipment, constant temperature and humidity equipment, and vibration test equipment, among others. Geographically, the company generates a majority of its revenue from China and the rest from Japan, Taiwan, America, Europe, and other countries.
77GF Score

Get the complete analysis for TPE:2423

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

NT$72.60
Price
NT$50.12
GF Value