Fulltech Fiber GlassROCO:1815 -3.02%59 PB Ratio is 4.45 as of Jul. 08, 2026, which is 378% above its 10-year median of 0.93. GuruFocus rates ROCO:1815 with a GF Score™ of 59/100 and a GF Value™ of NT$35.94 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 2,415 Hardware companies, Fulltech Fiber Glass ranks worse than 72.63% on this metric.
The historical rank and industry rank for Fulltech Fiber Glass's PB Ratio or its related term are showing as below:
ROCO:1815'
s PB Ratio Range Over the Past 10 Years
Min: 0.53 Med: 0.93 Max: 6.09
Current: 4.45
During the past 13 years, Fulltech Fiber Glass's highest PB Ratio was 6.09. The lowest was 0.53. And the median was 0.93.
ROCO:1815's PB Ratio is ranked worse than 72.63% of 2415
companies
in the Hardware industry
Industry Median: 2.35
vs ROCO:1815: 4.45
During the past 12 months, Fulltech Fiber Glass's average Book Value Per Share Growth Rate was 46.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 10.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 4.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 1.00% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Fulltech Fiber Glass was 13.50% per year. The lowest was -3.50% per year. And the median was 1.45% per year.
Back to Basics: PB Ratio
Fulltech Fiber Glass (ROCO:1815) PB Ratio Explanation
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.
Fulltech Fiber Glass PB Ratio Related Terms
Fulltech Fiber Glass PB Ratio Historical Data
* Premium members only.
The historical data trend for Fulltech Fiber Glass'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 Electronic Components subindustry, Fulltech Fiber Glass'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.
Fulltech Fiber Glass PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Fulltech Fiber Glass's PB Ratio distribution charts can be found below:
* The bar in red indicates where Fulltech Fiber Glass'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.
Fulltech Fiber Glass (ROCO:1815) has a PB Ratio of 4.45 as of Jul. 08, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Fulltech Fiber Glass and its competitors. This is 378% above median its historical median of 0.93. Over the past decade, Fulltech Fiber Glass' PB Ratio has ranged from 0.53 to 6.09. According to the industry distribution chart, Fulltech Fiber Glass ranks #1754 out of 2415 companies in the Hardware industry, placing it in the top 72.6%.
Is Fulltech Fiber Glass' PB Ratio too high?
Fulltech Fiber Glass' current PB Ratio of 4.45 is 378% above median its 10-year median of 0.93. Over the past 10 years, this metric has ranged from a low of 0.53 to a high of 6.09. The Hardware industry median PB Ratio is 2.35. Fulltech Fiber Glass' value of 4.45 is 89.4% above this industry median. Based on the distribution chart, Fulltech Fiber Glass ranks #1754 out of 2415 companies in the Hardware industry, which is below the industry midpoint. Overall, Fulltech Fiber Glass has a GF Score™ of 59/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fulltech Fiber Glass' PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, Fulltech Fiber Glass ranks #1754 out of 2415 companies for PB Ratio. This places Fulltech Fiber Glass in the lower half of its industry. The industry median PB Ratio is 2.35. Fulltech Fiber Glass' value of 4.45 is 89.4% above this benchmark. Historically, Fulltech Fiber Glass' own PB Ratio has ranged from 0.53 to 6.09 over the past decade. While the company's 10-year median is 0.93 vs. the industry median of 2.35, Fulltech Fiber Glass 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 Hardware company?
The median PB Ratio among Hardware companies is 2.35, based on 2,415 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. Fulltech Fiber Glass's current PB Ratio of 4.45 is 89.4% 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 Fulltech Fiber Glass and its competitors. For the Hardware industry, the median PB Ratio is 2.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fulltech Fiber Glass's current PB Ratio is 4.45, which is 378% above median its own 10-year median of 0.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fulltech Fiber Glass stock overvalued right now?
Based on GuruFocus' analysis, Fulltech Fiber Glass (ROCO:1815) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$35.94, compared to a current price of NT$96.50 — trading 168.5% above its estimated fair value. The current PB Ratio is 4.45, which is 378% above median its 10-year median of 0.93 and 89.4% above the Hardware industry median of 2.35. Fulltech Fiber Glass' overall GF Score™ is 59/100 with 1 warning sign 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 Fulltech Fiber Glass (ROCO:1815), the current PB Ratio is 4.45 as of Jul. 08, 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 Fulltech Fiber Glass (ROCO:1815) Overvalued in 2026?
Based on GuruFocus' analysis, Fulltech Fiber Glass stock appears to be overvalued.
The current stock price of NT$96.50 is trading 168.5% above its estimated GF Value™ of NT$35.94.
GuruFocus considers Fulltech Fiber Glass to be Significantly Overvalued.
Key valuation signals for ROCO:1815:
PB Ratio: 4.45 (378% above median its 10-year median of 0.93)
GF Value™: NT$35.94 vs. price of NT$96.50 (168.5% above fair value)
Industry Position: 89.4% above the Hardware median (#1754 of 2415)
No single metric tells the full story. See the ROCO:1815 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Fulltech Fiber Glass Corp is engaged in producing and selling fiberglass yarn and fiberglass fabric, which are the main upstream materials for Printed Circuit Boards. The reportable segments of the company are the Fiberglass Yarn and the Fiberglass Fabric segment. Geographically, the company generates a majority of its revenue from Taiwan and the rest from China.
59GF Score
Get the complete analysis for ROCO:1815
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