Power IntegrationsPOWI -9.07%83 PB Ratio is 6.04 as of Jul. 03, 2026, which is 30% above its 10-year median of 4.66. GuruFocus rates POWI with a GF Score™ of 83/100 and a GF Value™ of $70.13 (Fairly Valued). The stock has 6 warning signs investors should review. Among 999 Semiconductors companies, Power Integrations ranks worse than 68.17% on this metric.
The historical rank and industry rank for Power Integrations's PB Ratio or its related term are showing as below:
POWI'
s PB Ratio Range Over the Past 10 Years
Min: 2.72 Med: 4.66 Max: 7.61
Current: 6.04
During the past 13 years, Power Integrations's highest PB Ratio was 7.61. The lowest was 2.72. And the median was 4.66.
POWI's PB Ratio is ranked worse than 68.17% of 999
companies
in the Semiconductors industry
Industry Median: 3.67
vs POWI: 6.04
During the past 12 months, Power Integrations's average Book Value Per Share Growth Rate was -6.90% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -2.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -2.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 5.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Power Integrations was 100.50% per year. The lowest was -4.70% per year. And the median was 10.40% per year.
Back to Basics: PB Ratio
Power Integrations (NAS:POWI) 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.
Power Integrations PB Ratio Related Terms
Power Integrations PB Ratio Historical Data
* Premium members only.
The historical data trend for Power Integrations'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, Power Integrations'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.
Power Integrations PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Power Integrations's PB Ratio distribution charts can be found below:
* The bar in red indicates where Power Integrations'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.
Power Integrations (POWI) has a PB Ratio of 6.04 as of Jul. 03, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Power Integrations and its competitors. This is 30% above median its historical median of 4.66. Over the past decade, Power Integrations' PB Ratio has ranged from 2.72 to 7.61. According to the industry distribution chart, Power Integrations ranks #681 out of 999 companies in the Semiconductors industry, placing it in the top 68.2%.
Is Power Integrations' PB Ratio too high?
Power Integrations' current PB Ratio of 6.04 is 30% above median its 10-year median of 4.66. Over the past 10 years, this metric has ranged from a low of 2.72 to a high of 7.61. The Semiconductors industry median PB Ratio is 3.67. Power Integrations' value of 6.04 is 64.6% above this industry median. Based on the distribution chart, Power Integrations ranks #681 out of 999 companies in the Semiconductors industry, which is below the industry midpoint. Overall, Power Integrations has a GF Score™ of 83/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Power Integrations' PB Ratio compare to NVTS and SYNA?
According to the Semiconductors industry distribution chart, Power Integrations ranks #681 out of 999 companies for PB Ratio. This places Power Integrations in the lower half of its industry. The industry median PB Ratio is 3.67. Power Integrations' value of 6.04 is 64.6% above this benchmark. Historically, Power Integrations' own PB Ratio has ranged from 2.72 to 7.61 over the past decade. While the company's 10-year median is 4.66 vs. the industry median of 3.67, Power Integrations 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 3.67, 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. Power Integrations's current PB Ratio of 6.04 is 64.6% 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 Power Integrations and its competitors. For the Semiconductors industry, the median PB Ratio is 3.67 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Power Integrations's current PB Ratio is 6.04, which is 30% above median its own 10-year median of 4.66. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Power Integrations stock overvalued right now?
Based on GuruFocus' analysis, Power Integrations (POWI) is currently considered Fairly Valued. The stock's GF Value™ is $70.13, compared to a current price of $72.99 — trading 4.1% above its estimated fair value. The current PB Ratio is 6.04, which is 30% above median its 10-year median of 4.66 and 64.6% above the Semiconductors industry median of 3.67. Power Integrations' overall GF Score™ is 83/100 with 6 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 Power Integrations (POWI), the current PB Ratio is 6.04 as of Jul. 03, 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 Power Integrations (POWI) Overvalued in 2026?
Based on GuruFocus' analysis, Power Integrations stock appears to be overvalued.
The current stock price of $72.99 is trading 4.1% above its estimated GF Value™ of $70.13.
GuruFocus considers Power Integrations to be Fairly Valued.
Key valuation signals for POWI:
PB Ratio: 6.04 (30% above median its 10-year median of 4.66)
GF Value™: $70.13 vs. price of $72.99 (4.1% above fair value)
Industry Position: 64.6% above the Semiconductors median (#681 of 999)
No single metric tells the full story. See the POWI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Power Integrations Inc designs, develops, and markets analog and mixed-signal integrated circuits (ICs) and other electronic components and circuitry used in high-voltage power conversion. Products are used in power converters that convert electricity from a high-voltage source to the type of power required for a specified downstream use. Products are used in electronic products including mobile phones, computing and networking equipment, appliances, electronic utility meters, battery-powered tools, industrial controls, home automation, or Internet of Things applications such as networked thermostats, power strips, and security devices. Geographically, the company generates maximum revenue from China and Hong Kong.
83GF Score
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