NGKNGKIF -3.01%72 PB Ratio is 2.63 as of Jun. 27, 2026, which is 146% above its 10-year median of 1.07. GuruFocus rates NGKIF with a GF Score™ of 72/100 and a GF Value™ of $14.82 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 2,986 Industrial Products companies, NGK ranks worse than 58.67% 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 (2026-06-27), NGK's share price is $46.665. NGK's Book Value per Share for the quarter that ended in Mar. 2026 was $17.73. Hence, NGK's PB Ratio of today is 2.63.
Warning Sign:
NGK Corp stock PB Ratio (=2.67) is close to 10-year high of 2.67.
The historical rank and industry rank for NGK's PB Ratio or its related term are showing as below:
NGKIF'
s PB Ratio Range Over the Past 10 Years
Min: 0.68 Med: 1.07 Max: 2.67
Current: 2.67
During the past 13 years, NGK's highest PB Ratio was 2.67. The lowest was 0.68. And the median was 1.07.
NGKIF's PB Ratio is ranked worse than 58.67% of 2986
companies
in the Industrial Products industry
Industry Median: 2.27
vs NGKIF: 2.67
During the past 12 months, NGK's average Book Value Per Share Growth Rate was 14.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 10.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 11.10% 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 NGK was 15.50% per year. The lowest was -3.50% per year. And the median was 6.05% per year.
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.
NGK PB Ratio Related Terms
NGK PB Ratio Historical Data
* Premium members only.
The historical data trend for NGK'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 Specialty Industrial Machinery subindustry, NGK'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.
NGK PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, NGK's PB Ratio distribution charts can be found below:
* The bar in red indicates where NGK'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.
NGK's PB Ratio for today is calculated as follows:
* 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.
NGK (NGKIF) has a PB Ratio of 2.63 as of Jun. 27, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on NGK and its competitors. This is 146% above median its historical median of 1.07. Over the past decade, NGK's PB Ratio has ranged from 0.68 to 2.67. According to the industry distribution chart, NGK ranks #1752 out of 2986 companies in the Industrial Products industry, placing it in the top 58.7%.
Is NGK's PB Ratio too high?
NGK's current PB Ratio of 2.63 is 146% above median its 10-year median of 1.07. Over the past 10 years, this metric has ranged from a low of 0.68 to a high of 2.67. The Industrial Products industry median PB Ratio is 2.27. NGK's value of 2.63 is 15.9% above this industry median. Based on the distribution chart, NGK ranks #1752 out of 2986 companies in the Industrial Products industry, which is below the industry midpoint. Overall, NGK has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does NGK's PB Ratio compare to GEV and ETN?
According to the Industrial Products industry distribution chart, NGK ranks #1752 out of 2986 companies for PB Ratio. This places NGK in the lower half of its industry. The industry median PB Ratio is 2.27. NGK's value of 2.63 is 15.9% above this benchmark. Historically, NGK's own PB Ratio has ranged from 0.68 to 2.67 over the past decade. While the company's 10-year median is 1.07 vs. the industry median of 2.27, NGK 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 an Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.27, based on 2,986 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. NGK's current PB Ratio of 2.63 is 15.9% 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 NGK and its competitors. For the Industrial Products industry, the median PB Ratio is 2.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. NGK's current PB Ratio is 2.63, which is 146% above median its own 10-year median of 1.07. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is NGK stock overvalued right now?
Based on GuruFocus' analysis, NGK (NGKIF) is currently considered Significantly Overvalued. The stock's GF Value™ is $14.82, compared to a current price of $46.67 — trading 214.9% above its estimated fair value. The current PB Ratio is 2.63, which is 146% above median its 10-year median of 1.07 and 15.9% above the Industrial Products industry median of 2.27. NGK's overall GF Score™ is 72/100 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 NGK (NGKIF), the current PB Ratio is 2.63 as of Jun. 27, 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 NGK (NGKIF) Overvalued in 2026?
Based on GuruFocus' analysis, NGK stock appears to be overvalued.
The current stock price of $46.67 is trading 214.9% above its estimated GF Value™ of $14.82.
GuruFocus considers NGK to be Significantly Overvalued.
Key valuation signals for NGKIF:
PB Ratio: 2.63 (146% above median its 10-year median of 1.07)
GF Value™: $14.82 vs. price of $46.67 (214.9% above fair value)
Industry Position: 15.9% above the Industrial Products median (#1752 of 2986)
No single metric tells the full story. See the NGKIF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
NGK Corp is engaged in manufacturing and selling electric power-related equipment, including insulators, industrial ceramic and other related products. The products of the company include Insulator and power equipments, Automotive Ceramics Business, Special Metals and mold products, Electronic components business, Industrial process products, Aircraft, ships, space related services, and others.
72GF Score
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