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Taiwan Glass IndTPE:1802 -6.08%45 PB Ratio is 2.99 as of Jul. 27, 2026, which is 174% above its 10-year median of 1.09. 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 397 Building Materials companies, Taiwan Glass Ind ranks worse than 81.61% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-27), Taiwan Glass Ind's share price is NT$51.00. Taiwan Glass Ind's Book Value per Share for the quarter that ended in Mar. 2026 was NT$17.08. Hence, Taiwan Glass Ind's PB Ratio of today is 2.99.
The historical rank and industry rank for Taiwan Glass Ind's PB Ratio or its related term are showing as below:
TPE:1802'
s PB Ratio Range Over the Past 10 Years
Min: 0.51 Med: 1.09 Max: 4.34
Current: 2.99
During the past 13 years, Taiwan Glass Ind's highest PB Ratio was 4.34. The lowest was 0.51. And the median was 1.09.
TPE:1802's PB Ratio is ranked worse than 81.61% of 397
companies
in the Building Materials industry
Industry Median: 1.12
vs TPE:1802: 2.99
During the past 12 months, Taiwan Glass Ind's average Book Value Per Share Growth Rate was 2.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -0.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 0.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 0.60% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Taiwan Glass Ind was 6.90% per year. The lowest was -8.00% per year. And the median was -1.00% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Taiwan Glass Ind PB Ratio Related Terms
Taiwan Glass Ind PB Ratio Historical Data
* Premium members only.
The historical data trend for Taiwan Glass Ind's PB Ratio 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.
For the Building Materials subindustry, Taiwan Glass Ind's PB Ratio, along with its competitors' market caps and PB Ratio 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 PB Ratio vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Taiwan Glass Ind's PB Ratio distribution charts can be found below:
* The bar in red indicates where Taiwan Glass Ind's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Taiwan Glass Ind (TPE:1802) has a PB Ratio of 2.99 as of Jul. 27, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Taiwan Glass Ind and its competitors. This is 174% above median its historical median of 1.09. Over the past decade, Taiwan Glass Ind's PB Ratio has ranged from 0.51 to 4.34. According to the industry distribution chart, Taiwan Glass Ind ranks #324 out of 397 companies in the Building Materials industry, placing it in the top 81.6%.
Is Taiwan Glass Ind's PB Ratio too high?
Taiwan Glass Ind's current PB Ratio of 2.99 is 174% above median its 10-year median of 1.09. Over the past 10 years, this metric has ranged from a low of 0.51 to a high of 4.34. The Building Materials industry median PB Ratio is 1.12. Taiwan Glass Ind's value of 2.99 is 167% above this industry median. Based on the distribution chart, Taiwan Glass Ind ranks #324 out of 397 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 PB Ratio compare to CRH and VMC?
According to the Building Materials industry distribution chart, Taiwan Glass Ind ranks #324 out of 397 companies for PB Ratio. This places Taiwan Glass Ind in the lower half of its industry. The industry median PB Ratio is 1.12. Taiwan Glass Ind's value of 2.99 is 167% above this benchmark. Historically, Taiwan Glass Ind's own PB Ratio has ranged from 0.51 to 4.34 over the past decade. While the company's 10-year median is 1.09 vs. the industry median of 1.12, Taiwan Glass Ind 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 PB Ratio for a Building Materials company?
The median PB Ratio among Building Materials companies is 1.12, based on 397 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Taiwan Glass Ind's current PB Ratio of 2.99 is 167% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Taiwan Glass Ind and its competitors. For the Building Materials industry, the median PB Ratio is 1.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Taiwan Glass Ind's current PB Ratio is 2.99, which is 174% above median its own 10-year median of 1.09. 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 PB Ratio is 2.99, which is 174% above median its 10-year median of 1.09 and 167% above the Building Materials industry median of 1.12. 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 PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Taiwan Glass Ind (TPE:1802), the current PB Ratio is 2.99 as of Jul. 27, 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:
PB Ratio: 2.99 (174% above median its 10-year median of 1.09)
GF Value™: NT$18.84 vs. price of NT$51.00 (170.7% above fair value)
Industry Position: 167% above the Building Materials median (#324 of 397)
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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