Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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.
eMemory TechnologyROCO:3529 -9.47%98 PB Ratio is 42.77 as of Jul. 29, 2026, which is 32% above its 10-year median of 32.49. GuruFocus rates ROCO:3529 with a GF Score™ of 98/100 and a GF Value™ of NT$3,049.07 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 999 Semiconductors companies, eMemory Technology ranks worse than 98.7% on this metric.
The historical rank and industry rank for eMemory Technology's PB Ratio or its related term are showing as below:
ROCO:3529'
s PB Ratio Range Over the Past 10 Years
Min: 7.64 Med: 32.49 Max: 85.98
Current: 42.77
During the past 13 years, eMemory Technology's highest PB Ratio was 85.98. The lowest was 7.64. And the median was 32.49.
ROCO:3529's PB Ratio is ranked worse than 98.7% of 999
companies
in the Semiconductors industry
Industry Median: 2.99
vs ROCO:3529: 42.77
During the past 12 months, eMemory Technology's average Book Value Per Share Growth Rate was 7.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 7.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 13.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 8.50% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of eMemory Technology was 21.40% per year. The lowest was -3.80% per year. And the median was 5.70% per year.
Back to Basics: PB Ratio
eMemory Technology (ROCO:3529) 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.
eMemory Technology PB Ratio Related Terms
eMemory Technology PB Ratio Historical Data
* Premium members only.
The historical data trend for eMemory Technology'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, eMemory Technology'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.
eMemory Technology PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, eMemory Technology's PB Ratio distribution charts can be found below:
* The bar in red indicates where eMemory Technology'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.
eMemory Technology (ROCO:3529) has a PB Ratio of 42.77 as of Jul. 29, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on eMemory Technology and its competitors. This is 32% above median its historical median of 32.49. Over the past decade, eMemory Technology's PB Ratio has ranged from 7.64 to 85.98. According to the industry distribution chart, eMemory Technology ranks #986 out of 999 companies in the Semiconductors industry, placing it in the top 98.7%.
Is eMemory Technology's PB Ratio too high?
eMemory Technology's current PB Ratio of 42.77 is 32% above median its 10-year median of 32.49. Over the past 10 years, this metric has ranged from a low of 7.64 to a high of 85.98. The Semiconductors industry median PB Ratio is 2.99. eMemory Technology's value of 42.77 is 1330.4% above this industry median. Based on the distribution chart, eMemory Technology ranks #986 out of 999 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, eMemory Technology has a GF Score™ of 98/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does eMemory Technology's PB Ratio compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, eMemory Technology ranks #986 out of 999 companies for PB Ratio. This places eMemory Technology in the lower half of its industry. The industry median PB Ratio is 2.99. eMemory Technology's value of 42.77 is 1330.4% above this benchmark. Historically, eMemory Technology's own PB Ratio has ranged from 7.64 to 85.98 over the past decade. While the company's 10-year median is 32.49 vs. the industry median of 2.99, eMemory Technology 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 2.99, based on 999 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. eMemory Technology's current PB Ratio of 42.77 is 1330.4% 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 eMemory Technology and its competitors. For the Semiconductors industry, the median PB Ratio is 2.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. eMemory Technology's current PB Ratio is 42.77, which is 32% above median its own 10-year median of 32.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is eMemory Technology stock overvalued right now?
Based on GuruFocus' analysis, eMemory Technology (ROCO:3529) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$3,049.07, compared to a current price of NT$2,200.00 — trading 27.8% below its estimated fair value. The current PB Ratio is 42.77, which is 32% above median its 10-year median of 32.49 and 1330.4% above the Semiconductors industry median of 2.99. eMemory Technology's overall GF Score™ is 98/100 with 2 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 eMemory Technology (ROCO:3529), the current PB Ratio is 42.77 as of Jul. 29, 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 eMemory Technology (ROCO:3529) Overvalued in 2026?
Based on GuruFocus' analysis, eMemory Technology stock appears to be undervalued.
The current stock price of NT$2,200.00 is trading 27.8% below its estimated GF Value™ of NT$3,049.07.
GuruFocus considers eMemory Technology to be Modestly Undervalued.
Key valuation signals for ROCO:3529:
PB Ratio: 42.77 (32% above median its 10-year median of 32.49)
GF Value™: NT$3,049.07 vs. price of NT$2,200.00 (27.8% below fair value)
Industry Position: 1330.4% above the Semiconductors median (#986 of 999)
No single metric tells the full story. See the ROCO:3529 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
eMemory Technology Inc is engaged in researching, developing, manufacturing, and selling embedded flash memory products. It licenses its intellectual property (IP) to semiconductor foundries, integrated device manufacturers, and design houses. The company offers comprehensive platforms of Logic NVM silicon IP, including NeoBit, NeoFuse, NeoEE, NeoMTP, EcoBit, NeoFlash, RRAM, MRAM, and NeoPUF; as well as a range of cost-effective and customized logic NVM solutions. It earns revenue in the form of royalties and income generated from the provision of technical services, out of which the majority comes from royalties. Geographically, the company generates maximum revenue from its domestic market, followed by Asia and other regions.
98GF Score
Get the complete analysis for ROCO:3529
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:3529 has been successfully added to your 
