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RDC Semiconductor CoROCO:3228 +2.38%56 PB Ratio is 18.27 as of Jul. 16, 2026, which is 26% above its 10-year median of 14.51. GuruFocus rates ROCO:3228 with a GF Score™ of 56/100 and a GF Value™ of NT$135.87 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 998 Semiconductors companies, RDC Semiconductor Co ranks worse than 93.59% on this metric.
The historical rank and industry rank for RDC Semiconductor Co's PB Ratio or its related term are showing as below:
ROCO:3228'
s PB Ratio Range Over the Past 10 Years
Min: 2.19 Med: 14.51 Max: 71.87
Current: 18.26
During the past 13 years, RDC Semiconductor Co's highest PB Ratio was 71.87. The lowest was 2.19. And the median was 14.51.
ROCO:3228's PB Ratio is ranked worse than 93.59% of 998
companies
in the Semiconductors industry
Industry Median: 3.455
vs ROCO:3228: 18.26
During the past 12 months, RDC Semiconductor Co's average Book Value Per Share Growth Rate was 1.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -3.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 3.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 6.00% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of RDC Semiconductor Co was 20.00% per year. The lowest was -12.80% per year. And the median was -2.40% per year.
Back to Basics: PB Ratio
RDC Semiconductor Co (ROCO:3228) 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.
RDC Semiconductor Co PB Ratio Related Terms
RDC Semiconductor Co PB Ratio Historical Data
* Premium members only.
The historical data trend for RDC Semiconductor Co'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 Semiconductors subindustry, RDC Semiconductor 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.
RDC Semiconductor Co PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, RDC Semiconductor Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where RDC Semiconductor 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.
RDC Semiconductor Co (ROCO:3228) has a PB Ratio of 18.27 as of Jul. 16, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on RDC Semiconductor Co and its competitors. This is 26% above median its historical median of 14.51. Over the past decade, RDC Semiconductor Co's PB Ratio has ranged from 2.19 to 71.87. According to the industry distribution chart, RDC Semiconductor Co ranks #934 out of 998 companies in the Semiconductors industry, placing it in the top 93.6%.
Is RDC Semiconductor Co's PB Ratio too high?
RDC Semiconductor Co's current PB Ratio of 18.27 is 26% above median its 10-year median of 14.51. Over the past 10 years, this metric has ranged from a low of 2.19 to a high of 71.87. The Semiconductors industry median PB Ratio is 3.46. RDC Semiconductor Co's value of 18.27 is 428.8% above this industry median. Based on the distribution chart, RDC Semiconductor Co ranks #934 out of 998 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, RDC Semiconductor Co has a GF Score™ of 56/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does RDC Semiconductor Co's PB Ratio compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, RDC Semiconductor Co ranks #934 out of 998 companies for PB Ratio. This places RDC Semiconductor Co in the lower half of its industry. The industry median PB Ratio is 3.46. RDC Semiconductor Co's value of 18.27 is 428.8% above this benchmark. Historically, RDC Semiconductor Co's own PB Ratio has ranged from 2.19 to 71.87 over the past decade. While the company's 10-year median is 14.51 vs. the industry median of 3.46, RDC Semiconductor 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 Semiconductors company?
The median PB Ratio among Semiconductors companies is 3.46, based on 998 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. RDC Semiconductor Co's current PB Ratio of 18.27 is 428.8% 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 RDC Semiconductor Co and its competitors. For the Semiconductors industry, the median PB Ratio is 3.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. RDC Semiconductor Co's current PB Ratio is 18.27, which is 26% above median its own 10-year median of 14.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is RDC Semiconductor Co stock overvalued right now?
Based on GuruFocus' analysis, RDC Semiconductor Co (ROCO:3228) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$135.87, compared to a current price of NT$172.00 — trading 26.6% above its estimated fair value. The current PB Ratio is 18.27, which is 26% above median its 10-year median of 14.51 and 428.8% above the Semiconductors industry median of 3.46. RDC Semiconductor Co's overall GF Score™ is 56/100 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 RDC Semiconductor Co (ROCO:3228), the current PB Ratio is 18.27 as of Jul. 16, 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 RDC Semiconductor Co (ROCO:3228) Overvalued in 2026?
Based on GuruFocus' analysis, RDC Semiconductor Co stock appears to be overvalued.
The current stock price of NT$172.00 is trading 26.6% above its estimated GF Value™ of NT$135.87.
GuruFocus considers RDC Semiconductor Co to be Modestly Overvalued.
Key valuation signals for ROCO:3228:
PB Ratio: 18.27 (26% above median its 10-year median of 14.51)
GF Value™: NT$135.87 vs. price of NT$172.00 (26.6% above fair value)
Industry Position: 428.8% above the Semiconductors median (#934 of 998)
No single metric tells the full story. See the ROCO:3228 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
RDC Semiconductor Co Ltd mainly researches, develops, manufactures, and sells 16-bit and 32-bit microcontrollers, microelectromechanical integrated applications and products, 32-bit and 64-bit microprocessors, IA automated system-on-a-chip (SoC) products, digital system applications products, server and cloud storage system chip products. The products of the company include Processor Platform, MCU & NPU, Low Power SoCs, RDC ASIC Service, and others.
56GF Score
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