Kokusai ElectricKOKSF 33 PB Ratio is 11.35 as of Jul. 01, 2026, which is 149% above its 10-year median of 4.56. GuruFocus rates KOKSF with a GF Score™ of 33/100 and a GF Value™ of $25.97 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 999 Semiconductors companies, Kokusai Electric ranks worse than 84.58% 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 (2026-07-01), Kokusai Electric's share price is $67.15. Kokusai Electric's Book Value per Share for the quarter that ended in Mar. 2026 was $5.92. Hence, Kokusai Electric's PB Ratio of today is 11.35.
Warning Sign:
Kokusai Electric Corp stock PB Ratio (=11.57) is close to 3-year high of 11.57.
The historical rank and industry rank for Kokusai Electric's PB Ratio or its related term are showing as below:
KOKSF'
s PB Ratio Range Over the Past 10 Years
Min: 2.5 Med: 4.56 Max: 11.57
Current: 11.56
During the past 5 years, Kokusai Electric's highest PB Ratio was 11.57. The lowest was 2.50. And the median was 4.56.
KOKSF's PB Ratio is ranked worse than 84.58% of 999
companies
in the Semiconductors industry
Industry Median: 3.81
vs KOKSF: 11.56
During the past 12 months, Kokusai Electric's average Book Value Per Share Growth Rate was 11.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 10.40% per year.
During the past 5 years, the highest 3-Year average Book Value Per Share Growth Rate of Kokusai Electric was 17.50% per year. The lowest was 10.40% per year. And the median was 13.95% per year.
Back to Basics: PB Ratio
Kokusai Electric (OTCPK:KOKSF) 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.
Kokusai Electric PB Ratio Related Terms
Kokusai Electric PB Ratio Historical Data
* Premium members only.
The historical data trend for Kokusai Electric'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 Semiconductor Equipment & Materials subindustry, Kokusai Electric'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.
Kokusai Electric PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Kokusai Electric's PB Ratio distribution charts can be found below:
* The bar in red indicates where Kokusai Electric'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.
Kokusai Electric (KOKSF) has a PB Ratio of 11.35 as of Jul. 01, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Kokusai Electric and its competitors. This is 149% above median its historical median of 4.56. Over the past decade, Kokusai Electric's PB Ratio has ranged from 2.50 to 11.57. According to the industry distribution chart, Kokusai Electric ranks #845 out of 999 companies in the Semiconductors industry, placing it in the top 84.6%.
Is Kokusai Electric's PB Ratio too high?
Kokusai Electric's current PB Ratio of 11.35 is 149% above median its 10-year median of 4.56. Over the past 10 years, this metric has ranged from a low of 2.50 to a high of 11.57. The Semiconductors industry median PB Ratio is 3.81. Kokusai Electric's value of 11.35 is 197.9% above this industry median. Based on the distribution chart, Kokusai Electric ranks #845 out of 999 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Kokusai Electric has a GF Score™ of 33/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Kokusai Electric's PB Ratio compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Kokusai Electric ranks #845 out of 999 companies for PB Ratio. This places Kokusai Electric in the lower half of its industry. The industry median PB Ratio is 3.81. Kokusai Electric's value of 11.35 is 197.9% above this benchmark. Historically, Kokusai Electric's own PB Ratio has ranged from 2.50 to 11.57 over the past decade. While the company's 10-year median is 4.56 vs. the industry median of 3.81, Kokusai Electric 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 3.81, 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. Kokusai Electric's current PB Ratio of 11.35 is 197.9% 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 Kokusai Electric and its competitors. For the Semiconductors industry, the median PB Ratio is 3.81 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kokusai Electric's current PB Ratio is 11.35, which is 149% above median its own 10-year median of 4.56. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Kokusai Electric stock overvalued right now?
Based on GuruFocus' analysis, Kokusai Electric (KOKSF) is currently considered Significantly Overvalued. The stock's GF Value™ is $25.97, compared to a current price of $67.15 — trading 158.6% above its estimated fair value. The current PB Ratio is 11.35, which is 149% above median its 10-year median of 4.56 and 197.9% above the Semiconductors industry median of 3.81. Kokusai Electric's overall GF Score™ is 33/100 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 Kokusai Electric (KOKSF), the current PB Ratio is 11.35 as of Jul. 01, 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 Kokusai Electric (KOKSF) Overvalued in 2026?
Based on GuruFocus' analysis, Kokusai Electric stock appears to be overvalued.
The current stock price of $67.15 is trading 158.6% above its estimated GF Value™ of $25.97.
GuruFocus considers Kokusai Electric to be Significantly Overvalued.
Key valuation signals for KOKSF:
PB Ratio: 11.35 (149% above median its 10-year median of 4.56)
GF Value™: $25.97 vs. price of $67.15 (158.6% above fair value)
Industry Position: 197.9% above the Semiconductors median (#845 of 999)
No single metric tells the full story. See the KOKSF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Kokusai Electric Corp is engaged in the semiconductor manufacturing equipment business. The company operates as a single business segment focused on the development, manufacture, and supply of semiconductor production equipment used in the fabrication of electronic components. The main products include batch film deposition equipment, treatment equipment for film quality improvement, units for measuring instruments and cleaning equipment, and others.
33GF Score
Get the complete analysis for KOKSF
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
KOKSF has been successfully added to your 
