Etron Technology (ROCO:5351) OCF Margin %: -1.55% (As of Dec. 2025)

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:5351 Etron Technology Inc ROCO:5351
38 GF Score
Price NT$84.80
GF Value NT$42.03
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is Etron Technology OCF Margin %?

Etron Technology ROCO:5351 -3.42% 38 OCF Margin % is -1.55% as of Dec. 2025. GuruFocus rates ROCO:5351 with a GF Score™ of 38/100 and a GF Value™ of NT$42.03 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,023 Semiconductors companies, Etron Technology ranks worse than 82.11% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Etron Technology's Cash Flow from Operations for the three months ended in Dec. 2025 was NT$-25 Mil. Etron Technology's Revenue for the three months ended in Dec. 2025 was NT$1,595 Mil. Therefore, Etron Technology's OCF Margin % for the quarter that ended in Dec. 2025 was -1.55%.

As of today, Etron Technology's current OCF Yield % is -1.58%.

The historical rank and industry rank for Etron Technology's OCF Margin % or its related term are showing as below:

ROCO:5351' s OCF Margin % Range Over the Past 10 Years
Min: -27.88   Med: -1.42   Max: 16.47
Current: -10.81


During the past 13 years, the highest OCF Margin % of Etron Technology was 16.47%. The lowest was -27.88%. And the median was -1.42%.

ROCO:5351's OCF Margin % is ranked worse than
82.11% of 1023 companies
in the Semiconductors industry
Industry Median: 9.39 vs ROCO:5351: -10.81


Etron Technology OCF Margin % Related Terms


Etron Technology OCF Margin % Historical Data

* Premium members only.

The historical data trend for Etron Technology's OCF Margin % 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.

Etron Technology OCF Margin % Chart

Etron Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 16.47 -27.88 -2.50 -0.33 -10.81

Etron Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
OCF Margin % 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 -19.11 -64.00 -11.43 6.99 -1.55

ROCO:5351 vs NVDA, AVGO, MU: OCF Margin % Comparison

For the Semiconductors subindustry, Etron Technology's OCF Margin %, along with its competitors' market caps and OCF Margin % 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.


Etron Technology OCF Margin % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Etron Technology's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Etron Technology's OCF Margin % falls into.


ROCO:5351
38GF Score
Etron Technology Inc ROCO:5351
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Etron Technology OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Etron Technology's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-436.503/4036.779
=-10.81 %

Etron Technology's OCF Margin for the quarter that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-24.774/1594.957
=-1.55 %

* 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.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of -1.55% mean?
Etron Technology (ROCO:5351) has a OCF Margin % of -1.55% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Etron Technology and its competitors. According to the industry distribution chart, Etron Technology ranks #840 out of 1023 companies in the Semiconductors industry, placing it in the top 82.1%.
Is Etron Technology's OCF Margin % too high?
Etron Technology's current OCF Margin % is -1.55%. Based on the distribution chart, Etron Technology ranks #840 out of 1023 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Etron Technology has a GF Score™ of 38/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Etron Technology's OCF Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Etron Technology ranks #840 out of 1023 companies for OCF Margin %. This places Etron Technology in the lower half of its industry. The industry median OCF Margin % is 9.39. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Semiconductors company?
The median OCF Margin % among Semiconductors companies is 9.39, based on 1,023 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Etron Technology and its competitors. For the Semiconductors industry, the median OCF Margin % is 9.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Etron Technology's current OCF Margin % is -1.55%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Etron Technology stock overvalued right now?
Based on GuruFocus' analysis, Etron Technology (ROCO:5351) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$42.03, compared to a current price of NT$84.80 — trading 101.8% above its estimated fair value. The current OCF Margin % is -1.55%. Etron Technology's overall GF Score™ is 38/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Etron Technology (ROCO:5351), the current OCF Margin % is -1.55% as of Dec. 2025. 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 Etron Technology (ROCO:5351) Overvalued in 2026?

Based on GuruFocus' analysis, Etron Technology stock appears to be overvalued. The current stock price of NT$84.80 is trading 101.8% above its estimated GF Value™ of NT$42.03. GuruFocus considers Etron Technology to be Significantly Overvalued.

Key valuation signals for ROCO:5351:

  • OCF Margin %: -1.55%
  • GF Value™: NT$42.03 vs. price of NT$84.80 (101.8% above fair value)
  • GF Score™: 38/100 with 2 warning signs

No single metric tells the full story. See the ROCO:5351 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Etron Technology Business Description

Address No. 6 Technology Road 5, Hsinchu Science Park, Hsinchu, TWN, 30078
Etron Technology Inc is engaged in the manufacturing and design of various integrated circuits. The Company is mainly engaged in the design, manufacturing, and sale of niche memory chips. Its product portfolio consists of Memory ICs, which include Commercial DRAM, Industrial DRAM, Automotive DRAM, Known Good Die, DRAM, and Flash; and Logic ICs, which include USB and 3D Sensing. Geographically, the company operates in Taiwan, Asia, and other countries. The majority of its revenue is generated from the Asia region.
38GF Score

Get the complete analysis for ROCO:5351

OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$84.80
Price
NT$42.03
GF Value