Aethertek Technology Co (ROCO:3219) Gross Margin %: 69.49% (As of Dec. 2025) — 31% Above Median

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ROCO:3219 Aethertek Technology Co Ltd ROCO:3219
75 GF Score
Price NT$72.30
GF Value NT$70.08
Valuation Fairly Valued
! 1 Warning Sign
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What is Aethertek Technology Co Gross Margin %?

Aethertek Technology Co ROCO:3219 -1.90% 75 Gross Margin % is 69.49% as of Dec. 2025, which is 31% above its 10-year median of 53.24. GuruFocus rates ROCO:3219 with a GF Score™ of 75/100 and a GF Value™ of NT$70.08 (Fairly Valued). The stock has 1 warning sign investors should review. Among 2,996 Industrial Products companies, Aethertek Technology Co ranks better than 96.9% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. Aethertek Technology Co's Gross Profit for the three months ended in Dec. 2025 was NT$260 Mil. Aethertek Technology Co's Revenue for the three months ended in Dec. 2025 was NT$374 Mil. Therefore, Aethertek Technology Co's Gross Margin % for the quarter that ended in Dec. 2025 was 69.49%.

Warning Sign:

Aethertek Technology Co Ltd gross margin has been in long-term decline. The average rate of decline per year is -2.9%.


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

ROCO:3219' s Gross Margin % Range Over the Past 10 Years
Min: 2.48   Med: 53.24   Max: 82.32
Current: 65.22


During the past 13 years, the highest Gross Margin % of Aethertek Technology Co was 82.32%. The lowest was 2.48%. And the median was 53.24%.

ROCO:3219's Gross Margin % is ranked better than
96.9% of 2996 companies
in the Industrial Products industry
Industry Median: 26.8 vs ROCO:3219: 65.22

Aethertek Technology Co had a gross margin of 69.49% for the quarter that ended in Dec. 2025 => Durable competitive advantage

The 5-Year average Growth Rate of Gross Margin for Aethertek Technology Co was -2.90% per year.


Aethertek Technology Co  (ROCO:3219) Gross Margin % Explanation

Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.

Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %

1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key

Aethertek Technology Co had a gross margin of 69.49% for the quarter that ended in Dec. 2025 => Durable competitive advantage


Be Aware

If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.


Aethertek Technology Co Gross Margin % Related Terms


Aethertek Technology Co Gross Margin % Historical Data

* Premium members only.

The historical data trend for Aethertek Technology Co's Gross 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.

Aethertek Technology Co Gross Margin % Chart

Aethertek Technology Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Gross Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 55.76 53.32 53.15 58.13 65.21

Aethertek Technology Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Gross 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 55.27 69.40 61.65 63.53 69.49

ROCO:3219 vs GEV, ETN, PH: Gross Margin % Comparison

For the Specialty Industrial Machinery subindustry, Aethertek Technology Co's Gross Margin %, along with its competitors' market caps and Gross 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.


Aethertek Technology Co Gross Margin % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Aethertek Technology Co's Gross Margin % distribution charts can be found below:

* The bar in red indicates where Aethertek Technology Co's Gross Margin % falls into.


ROCO:3219
75GF Score
Aethertek Technology Co Ltd ROCO:3219
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Aethertek Technology Co Gross Margin % Calculation

Gross Margin is the percentage of Gross Profit out of sales or Revenue.

Aethertek Technology Co's Gross Margin for the fiscal year that ended in Dec. 2025 is calculated as

Gross Margin % (A: Dec. 2025 )=Gross Profit (A: Dec. 2025 ) / Revenue (A: Dec. 2025 )
=1110.7 / 1703.177
=(Revenue - Cost of Goods Sold) / Revenue
=(1703.177 - 592.454) / 1703.177
=65.21 %

Aethertek Technology Co's Gross Margin for the quarter that ended in Dec. 2025 is calculated as


Gross Margin % (Q: Dec. 2025 )=Gross Profit (Q: Dec. 2025 ) / Revenue (Q: Dec. 2025 )
=259.6 / 373.555
=(Revenue - Cost of Goods Sold) / Revenue
=(373.555 - 113.972) / 373.555
=69.49 %

* 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.

A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.

Frequently Asked Questions Learn more about Gross Margin % →
What does a Gross Margin % of 69.49% mean?
Aethertek Technology Co (ROCO:3219) has a Gross Margin % of 69.49% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Aethertek Technology Co and its competitors. This is 31% above median its historical median of 53.24. Over the past decade, Aethertek Technology Co's Gross Margin % has ranged from 2.48 to 82.32. According to the industry distribution chart, Aethertek Technology Co ranks #93 out of 2996 companies in the Industrial Products industry, placing it in the top 3.1%.
Is Aethertek Technology Co's Gross Margin % too high?
Aethertek Technology Co's current Gross Margin % of 69.49% is 31% above median its 10-year median of 53.24. Over the past 10 years, this metric has ranged from a low of 2.48 to a high of 82.32. The Industrial Products industry median Gross Margin % is 26.80. Aethertek Technology Co's value of 69.49% is 159.3% above this industry median. Based on the distribution chart, Aethertek Technology Co ranks #93 out of 2996 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Aethertek Technology Co has a GF Score™ of 75/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Aethertek Technology Co's Gross Margin % compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Aethertek Technology Co ranks #93 out of 2996 companies for Gross Margin %. This places Aethertek Technology Co in the top 3% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 26.80. Aethertek Technology Co's value of 69.49% is 159.3% above this benchmark. Historically, Aethertek Technology Co's own Gross Margin % has ranged from 2.48 to 82.32 over the past decade. While the company's 10-year median is 53.24 vs. the industry median of 26.80, Aethertek Technology 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 Gross Margin % for an Industrial Products company?
The median Gross Margin % among Industrial Products companies is 26.80, based on 2,996 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Aethertek Technology Co's current Gross Margin % of 69.49% is 159.3% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Aethertek Technology Co and its competitors. For the Industrial Products industry, the median Gross Margin % is 26.80 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aethertek Technology Co's current Gross Margin % is 69.49%, which is 31% above median its own 10-year median of 53.24. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aethertek Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Aethertek Technology Co (ROCO:3219) is currently considered Fairly Valued. The stock's GF Value™ is NT$70.08, compared to a current price of NT$72.30 — trading 3.2% above its estimated fair value. The current Gross Margin % is 69.49%, which is 31% above median its 10-year median of 53.24 and 159.3% above the Industrial Products industry median of 26.80. Aethertek Technology Co's overall GF Score™ is 75/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Aethertek Technology Co (ROCO:3219), the current Gross Margin % is 69.49% 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 Aethertek Technology Co (ROCO:3219) Overvalued in 2026?

Based on GuruFocus' analysis, Aethertek Technology Co stock appears to be overvalued. The current stock price of NT$72.30 is trading 3.2% above its estimated GF Value™ of NT$70.08. GuruFocus considers Aethertek Technology Co to be Fairly Valued.

Key valuation signals for ROCO:3219:

  • Gross Margin %: 69.49% (31% above median its 10-year median of 53.24)
  • GF Value™: NT$70.08 vs. price of NT$72.30 (3.2% above fair value)
  • GF Score™: 75/100 with 1 warning sign
  • Industry Position: 159.3% above the Industrial Products median (#93 of 2996)

No single metric tells the full story. See the ROCO:3219 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Aethertek Technology Co Business Description

Address Ruiguang Road, 9th Floor, No. 607, Neihu District, Taipei, TWN, 114
Aethertek Technology Co Ltd is a Taiwan-based company mainly engaged in the design, manufacturing, and sale of automation machinery and related equipment. Its product portfolio includes the T800 Functional Tester, T1000 Board-Level Tester, passive antennas, RF switches, shield boxes, and micro-probing equipment for microscale diagnostics, among others. In addition to its core products, the company provides solutions for 5G communication and offers test and measurement devices across various industries. Aethertek also offers design services encompassing software, hardware, and antenna development. Geographically, it derives maximum revenue from China, followed by Taiwan, India, and other regions.
75GF Score

Get the complete analysis for ROCO:3219

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

NT$72.30
Price
NT$70.08
GF Value