Giga Solar Materials (ROCO:3691) Operating Margin %: -2.08% (As of Dec. 2025)


ROCO:3691 Giga Solar Materials Corp ROCO:3691
43 GF Score
Price NT$152.50
GF Value NT$101.48
Valuation Significantly Overvalued
! 9 Warning Signs
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What is Giga Solar Materials Operating Margin %?

Giga Solar Materials ROCO:3691 -0.65% 43 Operating Margin % is -2.08% as of Dec. 2025. GuruFocus rates ROCO:3691 with a GF Score™ of 43/100 and a GF Value™ of NT$101.48 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,021 Semiconductors companies, Giga Solar Materials ranks worse than 75.22% on this metric.

Operating Margin % is calculated as Operating Income divided by its Revenue. Giga Solar Materials's Operating Income for the three months ended in Dec. 2025 was NT$-45 Mil. Giga Solar Materials's Revenue for the three months ended in Dec. 2025 was NT$2,169 Mil. Therefore, Giga Solar Materials's Operating Margin % for the quarter that ended in Dec. 2025 was -2.08%.

The historical rank and industry rank for Giga Solar Materials's Operating Margin % or its related term are showing as below:

ROCO:3691' s Operating Margin % Range Over the Past 10 Years
Min: -34.41   Med: -1.81   Max: 14.76
Current: -7.65


ROCO:3691's Operating Margin % is ranked worse than
75.22% of 1021 companies
in the Semiconductors industry
Industry Median: 5.24 vs ROCO:3691: -7.65

Giga Solar Materials's 5-Year Average Operating Margin % Growth Rate was 0.00% per year.

Giga Solar Materials's Operating Income for the three months ended in Dec. 2025 was NT$-45 Mil. Its Operating Income for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-445 Mil.

Warning Sign:

Giga Solar Materials Corp has never been profitable in the past 3 years. It lost money every year.


Giga Solar Materials  (ROCO:3691) Operating Margin % Explanation

Just like Gross Margin %, it is important to see a company maintains its operating margin over time. Among the same industry, a company with higher operating margin is more efficient in its operation. It is also more stable during industry slowdown or recessions. Peter Lynch prefers those with higher margins than those with lower margins.


Be Aware

Operating Margin % can be manipulated by adjusting the rate of depreciation, depletion and amortization (DDA).

If a company is facing competition, its Operating Margin % may decline. Often the Operating Margin % declines well before the company's Revenue or even profit decline. Therefore, Operating Margin % is a very important indicator of whether the company is facing problems.

For instance, by 2012, Nokia (NOK)'s problems were well known and its stock had lost more than 90% of its market value since 2007. But Nokia’s Operating Margin % had already been in decline since 2002, although its Earnings per Share (Diluted) were still rising. Investors who paid attention to Operating Margin % would have avoided this huge loss. The same can be said for Research-in-Motion (RIMM).

Therefore, Operating Margin % is a very important screening filter for GuruFocus. GuruFocus's Buffett-Munger screener requires that the profit margin is either consistent or expanding. The Model Portfolio of the Buffett-Munger screener has outperformed the market every year since inception in 2009.


Giga Solar Materials Operating Margin % Related Terms


Giga Solar Materials Operating Margin % Historical Data

* Premium members only.

The historical data trend for Giga Solar Materials's Operating 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.

Giga Solar Materials Operating Margin % Chart

Giga Solar Materials Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Operating Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -3.50 -6.15 -34.41 -10.53 -7.65

Giga Solar Materials Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Operating 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 -34.59 -16.60 -14.55 -4.72 -2.08

ROCO:3691 vs FSLR, NXT, ENPH: Operating Margin % Comparison

For the Solar subindustry, Giga Solar Materials's Operating Margin %, along with its competitors' market caps and Operating 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.


Giga Solar Materials Operating Margin % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Giga Solar Materials's Operating Margin % distribution charts can be found below:

* The bar in red indicates where Giga Solar Materials's Operating Margin % falls into.


ROCO:3691
43GF Score
Giga Solar Materials Corp ROCO:3691
Operating Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Giga Solar Materials Operating Margin % Calculation

Operating Margin % - also known as operating income margin, operating profit margin and return on sales (ROS) - is the ratio of Operating Income divided by net sales or Revenue, usually presented in percent.

Giga Solar Materials's Operating Margin % for the fiscal year that ended in Dec. 2025 is calculated as

Operating Margin %=Operating Income (A: Dec. 2025 ) / Revenue (A: Dec. 2025 )
=-444.626 / 5812.092
=-7.65 %

Giga Solar Materials's Operating Margin % for the quarter that ended in Dec. 2025 is calculated as

Operating Margin %=Operating Income (Q: Dec. 2025 ) / Revenue (Q: Dec. 2025 )
=-45.027 / 2168.55
=-2.08 %

* 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 Operating Margin % →
What does a Operating Margin % of -2.08% mean?
Giga Solar Materials (ROCO:3691) has a Operating Margin % of -2.08% as of Dec. 2025. Operating margin is the ratio of total operating income to net sales. View historical data on Giga Solar Materials and its competitors. According to the industry distribution chart, Giga Solar Materials ranks #768 out of 1021 companies in the Semiconductors industry, placing it in the top 75.2%.
Is Giga Solar Materials' Operating Margin % too high?
Giga Solar Materials' current Operating Margin % is -2.08%. Based on the distribution chart, Giga Solar Materials ranks #768 out of 1021 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Giga Solar Materials has a GF Score™ of 43/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Giga Solar Materials' Operating Margin % compare to FSLR and NXT?
According to the Semiconductors industry distribution chart, Giga Solar Materials ranks #768 out of 1021 companies for Operating Margin %. This places Giga Solar Materials in the lower half of its industry. The industry median Operating Margin % is 5.24. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Operating Margin % for a Semiconductors company?
The median Operating Margin % among Semiconductors companies is 5.24, based on 1,021 companies in the industry. Companies in the top quartile (top 25%) have a Operating Margin % significantly above this median, while those in the bottom quartile fall well below. However, Operating 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 Operating Margin % mean?
A high Operating Margin % can signal that a stock is expensive relative to its fundamentals. Operating margin is the ratio of total operating income to net sales. View historical data on Giga Solar Materials and its competitors. For the Semiconductors industry, the median Operating Margin % is 5.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Giga Solar Materials's current Operating Margin % 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 Giga Solar Materials stock overvalued right now?
Based on GuruFocus' analysis, Giga Solar Materials (ROCO:3691) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$101.48, compared to a current price of NT$152.50 — trading 50.3% above its estimated fair value. The current Operating Margin % is -2.08%. Giga Solar Materials' overall GF Score™ is 43/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Operating Margin % calculated?
Operating Margin % is calculated from a company's financial statements. For Giga Solar Materials (ROCO:3691), the current Operating Margin % is -2.08% 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 Giga Solar Materials (ROCO:3691) Overvalued in 2026?

Based on GuruFocus' analysis, Giga Solar Materials stock appears to be overvalued. The current stock price of NT$152.50 is trading 50.3% above its estimated GF Value™ of NT$101.48. GuruFocus considers Giga Solar Materials to be Significantly Overvalued.

Key valuation signals for ROCO:3691:

  • Operating Margin %: -2.08%
  • GF Value™: NT$101.48 vs. price of NT$152.50 (50.3% above fair value)
  • GF Score™: 43/100 with 9 warning signs

No single metric tells the full story. See the ROCO:3691 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Giga Solar Materials Business Description

Address 122-18, Zhonghua Road, Hukou Township, Hsinchu County, Hukou Township, Hsinchu, TWN, 30351
Giga Solar Materials Corp is engaged in the research and development (R&D), manufacturing, and sales of solar conductive plasma. Its product includes Conductive Paste for Photovoltaic Cells, Quality Assurance System for Conductive Paste, Solutions to Solar Energy Cells and Li-ion Battery Materials.
43GF Score

Get the complete analysis for ROCO:3691

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

NT$152.50
Price
NT$101.48
GF Value