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ION Electronic Materials CoROCO:6959 49 PB Ratio is 3.18 as of Jul. 28, 2026, which is 19% above its 10-year median of 2.67. GuruFocus rates ROCO:6959 with a GF Score™ of 49/100 and a GF Value™ of NT$88.51 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,576 Chemicals companies, ION Electronic Materials Co ranks worse than 76.02% on this metric.
The historical rank and industry rank for ION Electronic Materials Co's PB Ratio or its related term are showing as below:
ROCO:6959'
s PB Ratio Range Over the Past 10 Years
Min: 1.49 Med: 2.67 Max: 4.45
Current: 3.18
During the past 7 years, ION Electronic Materials Co's highest PB Ratio was 4.45. The lowest was 1.49. And the median was 2.67.
ROCO:6959's PB Ratio is ranked worse than 76.02% of 1576
companies
in the Chemicals industry
Industry Median: 1.65
vs ROCO:6959: 3.18
During the past 12 months, ION Electronic Materials Co's average Book Value Per Share Growth Rate was 2.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 0.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 71.10% per year.
During the past 7 years, the highest 3-Year average Book Value Per Share Growth Rate of ION Electronic Materials Co was 158.40% per year. The lowest was 0.10% per year. And the median was 69.50% per year.
Back to Basics: PB Ratio
ION Electronic Materials Co (ROCO:6959) 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.
ION Electronic Materials Co PB Ratio Related Terms
ION Electronic Materials Co PB Ratio Historical Data
* 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 Specialty Chemicals subindustry, ION Electronic Materials Co'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.
ION Electronic Materials Co PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, ION Electronic Materials Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where ION Electronic Materials Co'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.
ION Electronic Materials Co (ROCO:6959) has a PB Ratio of 3.18 as of Jul. 28, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on ION Electronic Materials Co and its competitors. This is 19% above median its historical median of 2.67. Over the past decade, ION Electronic Materials Co's PB Ratio has ranged from 1.49 to 4.45. According to the industry distribution chart, ION Electronic Materials Co ranks #1198 out of 1576 companies in the Chemicals industry, placing it in the top 76%.
Is ION Electronic Materials Co's PB Ratio too high?
ION Electronic Materials Co's current PB Ratio of 3.18 is 19% above median its 10-year median of 2.67. Over the past 10 years, this metric has ranged from a low of 1.49 to a high of 4.45. The Chemicals industry median PB Ratio is 1.65. ION Electronic Materials Co's value of 3.18 is 92.7% above this industry median. Based on the distribution chart, ION Electronic Materials Co ranks #1198 out of 1576 companies in the Chemicals industry, which is in the bottom quartile relative to peers. Overall, ION Electronic Materials Co has a GF Score™ of 49/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does ION Electronic Materials Co's PB Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, ION Electronic Materials Co ranks #1198 out of 1576 companies for PB Ratio. This places ION Electronic Materials Co in the lower half of its industry. The industry median PB Ratio is 1.65. ION Electronic Materials Co's value of 3.18 is 92.7% above this benchmark. Historically, ION Electronic Materials Co's own PB Ratio has ranged from 1.49 to 4.45 over the past decade. While the company's 10-year median is 2.67 vs. the industry median of 1.65, ION Electronic Materials Co 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 Chemicals company?
The median PB Ratio among Chemicals companies is 1.65, based on 1,576 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. ION Electronic Materials Co's current PB Ratio of 3.18 is 92.7% 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 ION Electronic Materials Co and its competitors. For the Chemicals industry, the median PB Ratio is 1.65 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ION Electronic Materials Co's current PB Ratio is 3.18, which is 19% above median its own 10-year median of 2.67. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ION Electronic Materials Co stock overvalued right now?
Based on GuruFocus' analysis, ION Electronic Materials Co (ROCO:6959) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$88.51, compared to a current price of NT$120.00 — trading 35.6% above its estimated fair value. The current PB Ratio is 3.18, which is 19% above median its 10-year median of 2.67 and 92.7% above the Chemicals industry median of 1.65. ION Electronic Materials Co's overall GF Score™ is 49/100 with 4 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 ION Electronic Materials Co (ROCO:6959), the current PB Ratio is 3.18 as of Jul. 28, 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 ION Electronic Materials Co (ROCO:6959) Overvalued in 2026?
Based on GuruFocus' analysis, ION Electronic Materials Co stock appears to be overvalued.
The current stock price of NT$120.00 is trading 35.6% above its estimated GF Value™ of NT$88.51.
GuruFocus considers ION Electronic Materials Co to be Significantly Overvalued.
Key valuation signals for ROCO:6959:
PB Ratio: 3.18 (19% above median its 10-year median of 2.67)
GF Value™: NT$88.51 vs. price of NT$120.00 (35.6% above fair value)
Industry Position: 92.7% above the Chemicals median (#1198 of 1576)
No single metric tells the full story. See the ROCO:6959 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ION Electronic Materials Co Ltd focuses on special materials for the electronics industry and provides local services, With development capabilities and multi-national patents, it looks forward to contributing to Taiwan's technology industry. Its main products are advanced semiconductor materials. It has negative pressure steel cylinder production technology and localized production advantages. It has passed ISO 9001 certification and is a supplier partner of major semiconductor factories.
49GF Score
Get the complete analysis for ROCO:6959
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