TSEC (TPE:6443) Gross Margin %: -217.48% (As of Dec. 2025)


TPE:6443 TSEC Corp TPE:6443
36 GF Score
Price NT$31.75
GF Value NT$6.07
Valuation Significantly Overvalued
! 5 Warning Signs
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What is TSEC Gross Margin %?

TSEC TPE:6443 -8.24% 36 Gross Margin % is -217.48% as of Dec. 2025. GuruFocus rates TPE:6443 with a GF Score™ of 36/100 and a GF Value™ of NT$6.07 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,008 Semiconductors companies, TSEC ranks worse than 99.21% on this metric.

Gross Margin % is calculated as gross profit divided by its revenue. TSEC's Gross Profit for the three months ended in Dec. 2025 was NT$-811 Mil. TSEC's Revenue for the three months ended in Dec. 2025 was NT$373 Mil. Therefore, TSEC's Gross Margin % for the quarter that ended in Dec. 2025 was -217.48%.


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

TPE:6443' s Gross Margin % Range Over the Past 10 Years
Min: -74.16   Med: 6.38   Max: 15.42
Current: -74.16


During the past 13 years, the highest Gross Margin % of TSEC was 15.42%. The lowest was -74.16%. And the median was 6.38%.

TPE:6443's Gross Margin % is ranked worse than
99.21% of 1008 companies
in the Semiconductors industry
Industry Median: 29.61 vs TPE:6443: -74.16

TSEC had a gross margin of -217.48% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage

The 5-Year average Growth Rate of Gross Margin for TSEC was 0.00% per year.


TSEC  (TPE:6443) 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

TSEC had a gross margin of -217.48% for the quarter that ended in Dec. 2025 => No sustainable 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.


TSEC Gross Margin % Related Terms


TSEC Gross Margin % Historical Data

* Premium members only.

The historical data trend for TSEC'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.

TSEC Gross Margin % Chart

TSEC 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 6.68 7.51 15.42 7.07 -74.16

TSEC 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 -5.28 -4.16 -47.38 -98.64 -217.48

TPE:6443 vs FSLR, NXT, ENPH: Gross Margin % Comparison

For the Solar subindustry, TSEC'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.


TSEC Gross Margin % vs Semiconductors Industry

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

* The bar in red indicates where TSEC's Gross Margin % falls into.


TPE:6443
36GF Score
TSEC Corp TPE:6443
Gross Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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TSEC Gross Margin % Calculation

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

TSEC'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 )
=-1353.7 / 1825.354
=(Revenue - Cost of Goods Sold) / Revenue
=(1825.354 - 3179.076) / 1825.354
=-74.16 %

TSEC'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 )
=-811.1 / 372.959
=(Revenue - Cost of Goods Sold) / Revenue
=(372.959 - 1184.088) / 372.959
=-217.48 %

* 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 -217.48% mean?
TSEC (TPE:6443) has a Gross Margin % of -217.48% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on TSEC and its competitors. According to the industry distribution chart, TSEC ranks #1000 out of 1008 companies in the Semiconductors industry, placing it in the top 99.2%.
Is TSEC's Gross Margin % too high?
TSEC's current Gross Margin % is -217.48%. Based on the distribution chart, TSEC ranks #1000 out of 1008 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, TSEC has a GF Score™ of 36/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TSEC's Gross Margin % compare to FSLR and NXT?
According to the Semiconductors industry distribution chart, TSEC ranks #1000 out of 1008 companies for Gross Margin %. This places TSEC in the lower half of its industry. The industry median Gross Margin % is 29.61. 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 a Semiconductors company?
The median Gross Margin % among Semiconductors companies is 29.61, based on 1,008 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. 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 TSEC and its competitors. For the Semiconductors industry, the median Gross Margin % is 29.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TSEC's current Gross Margin % is -217.48%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TSEC stock overvalued right now?
Based on GuruFocus' analysis, TSEC (TPE:6443) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$6.07, compared to a current price of NT$31.75 — trading 423.1% above its estimated fair value. The current Gross Margin % is -217.48%. TSEC's overall GF Score™ is 36/100 with 5 warning signs 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 TSEC (TPE:6443), the current Gross Margin % is -217.48% 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 TSEC (TPE:6443) Overvalued in 2026?

Based on GuruFocus' analysis, TSEC stock appears to be overvalued. The current stock price of NT$31.75 is trading 423.1% above its estimated GF Value™ of NT$6.07. GuruFocus considers TSEC to be Significantly Overvalued.

Key valuation signals for TPE:6443:

  • Gross Margin %: -217.48%
  • GF Value™: NT$6.07 vs. price of NT$31.75 (423.1% above fair value)
  • GF Score™: 36/100 with 5 warning signs

No single metric tells the full story. See the TPE:6443 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


TSEC Business Description

Address Beixin Road, 8th Floor, No. 225, Sector 3, Xindian District, Taipei City, TWN, 23143
TSEC Corp is a Taiwan based PV manufacturing company. The company is engaged in the design, manufacture, construction, and sale of solar cells, modules, and power plants. It focuses on solar cells and module R&D, production, and sales, it also provides system integration services for power plant construction and long-term maintenance.
36GF Score

Get the complete analysis for TPE:6443

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

NT$31.75
Price
NT$6.07
GF Value