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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.
Taiwan Glass IndTPE:1802 -6.08%45 Gross Margin % is 19.23% as of Mar. 2026, which is 51% above its 10-year median of 12.73. GuruFocus rates TPE:1802 with a GF Score™ of 45/100 and a GF Value™ of NT$18.84 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 395 Building Materials companies, Taiwan Glass Ind ranks worse than 83.29% on this metric.
Taiwan Glass Ind Corp gross margin has been in long-term decline. The average rate of decline per year is -15.3%.
The historical rank and industry rank for Taiwan Glass Ind's Gross Margin % or its related term are showing as below:
TPE:1802'
s Gross Margin % Range Over the Past 10 Years
Min: 8.39 Med: 12.73 Max: 32.21
Current: 13.61
During the past 13 years, the highestGross Margin % of Taiwan Glass Ind was 32.21%. The lowest was 8.39%. And the median was 12.73%.
TPE:1802's Gross Margin % is ranked worse than 83.29% of 395
companies
in the Building Materials industry
Industry Median: 26.18
vs TPE:1802: 13.61
Taiwan Glass Ind had a gross margin of 19.23% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Taiwan Glass Ind was -15.30% per year.
Taiwan Glass Ind (TPE:1802) 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
Taiwan Glass Ind had a gross margin of 19.23% for the quarter that ended in Mar. 2026 => 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.
Taiwan Glass Ind Gross Margin % Related Terms
Taiwan Glass Ind Gross Margin % Historical Data
* Premium members only.
The historical data trend for Taiwan Glass Ind'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.
TPE:1802 vs CRH, VMC, MLM: Gross Margin % Comparison
For the Building Materials subindustry, Taiwan Glass Ind'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.
Taiwan Glass Ind Gross Margin % vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Taiwan Glass Ind's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Taiwan Glass Ind's Gross Margin % falls into.
* 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.
Taiwan Glass Ind (TPE:1802) has a Gross Margin % of 19.23% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Taiwan Glass Ind and its competitors. This is 51% above median its historical median of 12.73. Over the past decade, Taiwan Glass Ind's Gross Margin % has ranged from 8.39 to 32.21. According to the industry distribution chart, Taiwan Glass Ind ranks #329 out of 395 companies in the Building Materials industry, placing it in the top 83.3%.
Is Taiwan Glass Ind's Gross Margin % too high?
Taiwan Glass Ind's current Gross Margin % of 19.23% is 51% above median its 10-year median of 12.73. Over the past 10 years, this metric has ranged from a low of 8.39 to a high of 32.21. The Building Materials industry median Gross Margin % is 26.18. Taiwan Glass Ind's value of 19.23% is 26.5% below this industry median. Based on the distribution chart, Taiwan Glass Ind ranks #329 out of 395 companies in the Building Materials industry, which is in the bottom quartile relative to peers. Overall, Taiwan Glass Ind has a GF Score™ of 45/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Taiwan Glass Ind's Gross Margin % compare to CRH and VMC?
According to the Building Materials industry distribution chart, Taiwan Glass Ind ranks #329 out of 395 companies for Gross Margin %. This places Taiwan Glass Ind in the lower half of its industry. The industry median Gross Margin % is 26.18. Taiwan Glass Ind's value of 19.23% is 26.5% below this benchmark. Historically, Taiwan Glass Ind's own Gross Margin % has ranged from 8.39 to 32.21 over the past decade. While the company's 10-year median is 12.73 vs. the industry median of 26.18, Taiwan Glass Ind has consistently been below 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 a Building Materials company?
The median Gross Margin % among Building Materials companies is 26.18, based on 395 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. Taiwan Glass Ind's current Gross Margin % of 19.23% is 26.5% below 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 Taiwan Glass Ind and its competitors. For the Building Materials industry, the median Gross Margin % is 26.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Taiwan Glass Ind's current Gross Margin % is 19.23%, which is 51% above median its own 10-year median of 12.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Taiwan Glass Ind stock overvalued right now?
Based on GuruFocus' analysis, Taiwan Glass Ind (TPE:1802) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$18.84, compared to a current price of NT$51.00 — trading 170.7% above its estimated fair value. The current Gross Margin % is 19.23%, which is 51% above median its 10-year median of 12.73 and 26.5% below the Building Materials industry median of 26.18. Taiwan Glass Ind's overall GF Score™ is 45/100 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 Taiwan Glass Ind (TPE:1802), the current Gross Margin % is 19.23% 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 Taiwan Glass Ind (TPE:1802) Overvalued in 2026?
Based on GuruFocus' analysis, Taiwan Glass Ind stock appears to be overvalued.
The current stock price of NT$51.00 is trading 170.7% above its estimated GF Value™ of NT$18.84.
GuruFocus considers Taiwan Glass Ind to be Significantly Overvalued.
Key valuation signals for TPE:1802:
Gross Margin %: 19.23% (51% above median its 10-year median of 12.73)
GF Value™: NT$18.84 vs. price of NT$51.00 (170.7% above fair value)
Industry Position: 26.5% below the Building Materials median (#329 of 395)
No single metric tells the full story. See the TPE:1802 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Taiwan Glass Ind Corp is engaged in the manufacturing, processing, and selling of various glass products. Its products include flat glass, auto glass, ultra-thin glass, photoelectric glass, fiber glass, and containers, tableware & kitchenware. The company's segments include Flat Glass Segment, engaged in the manufacturing and selling of flat glass; Glass Container Segment, engaged in the manufacturing and selling of glass containers; and Glass Fiber Segment, engaged in the manufacturing and selling of glass fibers. It derives the majority of its revenue from the Flat Glass segment. Geographically, its operations are spread across Taiwan, China, and Other countries.
45GF Score
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Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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