Silicon Optronics (TPE:3530) Earnings Yield (Joel Greenblatt) %: 5.37% (As of Mar. 2026) — 100% Above 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.

TPE:3530 Silicon Optronics Inc TPE:3530
66 GF Score
Price NT$56.20
GF Value NT$93.24
Valuation Possible Value Trap
! 3 Warning Signs
View Full Analysis

What is Silicon Optronics Earnings Yield (Joel Greenblatt) %?

Silicon Optronics TPE:3530 -0.88% 66 Earnings Yield (Joel Greenblatt) % is 5.37% as of Mar. 2026, which is 100% above its 10-year median of 2.68. GuruFocus rates TPE:3530 with a GF Score™ of 66/100 and a GF Value™ of NT$93.24 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 1,029 Semiconductors companies, Silicon Optronics ranks better than 79.01% on this metric.

Silicon Optronics's Enterprise Value for the quarter that ended in Mar. 2026 was NT$3,114 Mil. Silicon Optronics's EBIT for the trailing twelve months (TTM) ended in Mar. 2026 was NT$167 Mil. Silicon Optronics's Earnings Yield (Joel Greenblatt) for the quarter that ended in Mar. 2026 was 5.37%.

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

TPE:3530' s Earnings Yield (Joel Greenblatt) % Range Over the Past 10 Years
Min: -5.74   Med: 2.68   Max: 13.68
Current: 5.25

During the past 13 years, the highest Earnings Yield (Joel Greenblatt) of Silicon Optronics was 13.68%. The lowest was -5.74%. And the median was 2.68%.

TPE:3530's Earnings Yield (Joel Greenblatt) % is ranked better than
79.01% of 1029 companies
in the Semiconductors industry
Industry Median: 1.3 vs TPE:3530: 5.25

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) %. Silicon Optronics'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.


Silicon Optronics  (TPE:3530) 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.


Silicon Optronics Earnings Yield (Joel Greenblatt) % Related Terms


Silicon Optronics Earnings Yield (Joel Greenblatt) % Historical Data

* Premium members only.

The historical data trend for Silicon Optronics'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.

Silicon Optronics Earnings Yield (Joel Greenblatt) % Chart

Silicon Optronics 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 9.52 2.97 -4.52 -1.49 3.10

Silicon Optronics 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 -1.60 -2.82 -3.81 3.10 5.37

TPE:3530 vs NVDA, AVGO, MU: Earnings Yield (Joel Greenblatt) % Comparison

For the Semiconductors subindustry, Silicon Optronics'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.


Silicon Optronics Earnings Yield (Joel Greenblatt) % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Silicon Optronics's Earnings Yield (Joel Greenblatt) % distribution charts can be found below:

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


TPE:3530
66GF Score
Silicon Optronics Inc TPE:3530
Earnings Yield (Joel Greenblatt) % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Silicon Optronics 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.

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

Earnings Yield (Joel Greenblatt)=EBIT/Enterprise Value
=138.29/4467.8538
=3.10 %

Silicon Optronics'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$167 Mil.


What does a Earnings Yield (Joel Greenblatt) % of 5.37% mean?
Silicon Optronics (TPE:3530) has a Earnings Yield (Joel Greenblatt) % of 5.37% 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 Silicon Optronics and its competitors. This is 100% above median its historical median of 2.68. According to the industry distribution chart, Silicon Optronics ranks #216 out of 1029 companies in the Semiconductors industry, placing it in the top 21%.
Is Silicon Optronics' Earnings Yield (Joel Greenblatt) % too high?
Silicon Optronics' current Earnings Yield (Joel Greenblatt) % of 5.37% is 100% above median its 10-year median of 2.68. The Semiconductors industry median Earnings Yield (Joel Greenblatt) % is 1.30. Silicon Optronics' value of 5.37% is 313.1% above this industry median. Based on the distribution chart, Silicon Optronics ranks #216 out of 1029 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Silicon Optronics has a GF Score™ of 66/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Silicon Optronics' Earnings Yield (Joel Greenblatt) % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Silicon Optronics ranks #216 out of 1029 companies for Earnings Yield (Joel Greenblatt) %. This places Silicon Optronics in the top 21% of its industry — outperforming the majority of peers. The industry median Earnings Yield (Joel Greenblatt) % is 1.30. Silicon Optronics' value of 5.37% is 313.1% above this benchmark. While the company's 10-year median is 2.68 vs. the industry median of 1.30, Silicon Optronics 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 Semiconductors company?
The median Earnings Yield (Joel Greenblatt) % among Semiconductors companies is 1.30, based on 1,029 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. Silicon Optronics's current Earnings Yield (Joel Greenblatt) % of 5.37% is 313.1% 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 Silicon Optronics and its competitors. For the Semiconductors industry, the median Earnings Yield (Joel Greenblatt) % is 1.30 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Silicon Optronics's current Earnings Yield (Joel Greenblatt) % is 5.37%, which is 100% above median its own 10-year median of 2.68. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Silicon Optronics stock overvalued right now?
Based on GuruFocus' analysis, Silicon Optronics (TPE:3530) is currently considered Possible Value Trap. The stock's GF Value™ is NT$93.24, compared to a current price of NT$56.20 — trading 39.7% below its estimated fair value. The current Earnings Yield (Joel Greenblatt) % is 5.37%, which is 100% above median its 10-year median of 2.68 and 313.1% above the Semiconductors industry median of 1.30. Silicon Optronics' overall GF Score™ is 66/100 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 Silicon Optronics (TPE:3530), the current Earnings Yield (Joel Greenblatt) % is 5.37% 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 Silicon Optronics (TPE:3530) Overvalued in 2026?

Based on GuruFocus' analysis, Silicon Optronics stock appears to be undervalued. The current stock price of NT$56.20 is trading 39.7% below its estimated GF Value™ of NT$93.24. GuruFocus considers Silicon Optronics to be Possible Value Trap.

Key valuation signals for TPE:3530:

  • Earnings Yield (Joel Greenblatt) %: 5.37% (100% above median its 10-year median of 2.68)
  • GF Value™: NT$93.24 vs. price of NT$56.20 (39.7% below fair value)
  • GF Score™: 66/100 with 3 warning signs
  • Industry Position: 313.1% above the Semiconductors median (#216 of 1029)

No single metric tells the full story. See the TPE:3530 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Silicon Optronics Business Description

Address Li Hsin 1st Road, 10-2, 4th Floor, East District, Hsin-Chu, TWN, 300
Silicon Optronics Inc is engaged in the design, development, and sale of complementary metal-oxide semiconductors. Its products include image sensors and shutters. The company derives revenue from complementary metal-oxide semiconductors. Geographically, it operates in Hong Kong, the United States, Taiwan, and other countries, with the majority of revenue deriving from Hong Kong.
66GF Score

Get the complete analysis for TPE:3530

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

NT$56.20
Price
NT$93.24
GF Value