PhotronicsPLAB -6.58%92 PB Ratio is 1.43 as of Jun. 27, 2026, which is 38% above its 10-year median of 1.04. GuruFocus rates PLAB with a GF Score™ of 92/100 and a GF Value™ of $25.61 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 1,000 Semiconductors companies, Photronics ranks better than 78.5% 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), Photronics's share price is $30.58. Photronics's Book Value per Share for the quarter that ended in Apr. 2026 was $21.35. Hence, Photronics's PB Ratio of today is 1.43.
The historical rank and industry rank for Photronics's PB Ratio or its related term are showing as below:
PLAB'
s PB Ratio Range Over the Past 10 Years
Min: 0.66 Med: 1.04 Max: 2.51
Current: 1.43
During the past 13 years, Photronics's highest PB Ratio was 2.51. The lowest was 0.66. And the median was 1.04.
PLAB's PB Ratio is ranked better than 78.5% of 1000
companies
in the Semiconductors industry
Industry Median: 3.765
vs PLAB: 1.43
During the past 12 months, Photronics's average Book Value Per Share Growth Rate was 13.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 14.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 10.00% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 7.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Photronics was 45.80% per year. The lowest was -20.10% per year. And the median was 6.70% 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.
Photronics PB Ratio Related Terms
Photronics PB Ratio Historical Data
* Premium members only.
The historical data trend for Photronics'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, Photronics'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.
Photronics PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Photronics's PB Ratio distribution charts can be found below:
* The bar in red indicates where Photronics'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.
Photronics'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.
Photronics (PLAB) has a PB Ratio of 1.43 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 Photronics and its competitors. This is 38% above median its historical median of 1.04. Over the past decade, Photronics' PB Ratio has ranged from 0.66 to 2.51. According to the industry distribution chart, Photronics ranks #215 out of 1000 companies in the Semiconductors industry, placing it in the top 21.5%.
Is Photronics' PB Ratio too high?
Photronics' current PB Ratio of 1.43 is 38% above median its 10-year median of 1.04. Over the past 10 years, this metric has ranged from a low of 0.66 to a high of 2.51. The Semiconductors industry median PB Ratio is 3.77. Photronics' value of 1.43 is 62% below this industry median. Based on the distribution chart, Photronics ranks #215 out of 1000 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Photronics has a GF Score™ of 92/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Photronics' PB Ratio compare to COHU and ICHR?
According to the Semiconductors industry distribution chart, Photronics ranks #215 out of 1000 companies for PB Ratio. This places Photronics in the top 22% of its industry — outperforming the majority of peers. The industry median PB Ratio is 3.77. Photronics' value of 1.43 is 62% below this benchmark. Historically, Photronics' own PB Ratio has ranged from 0.66 to 2.51 over the past decade. While the company's 10-year median is 1.04 vs. the industry median of 3.77, Photronics has consistently been below 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 3.77, based on 1,000 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. Photronics's current PB Ratio of 1.43 is 62% below 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 Photronics and its competitors. For the Semiconductors industry, the median PB Ratio is 3.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Photronics's current PB Ratio is 1.43, which is 38% above median its own 10-year median of 1.04. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Photronics stock overvalued right now?
Based on GuruFocus' analysis, Photronics (PLAB) is currently considered Modestly Overvalued. The stock's GF Value™ is $25.61, compared to a current price of $30.58 — trading 19.4% above its estimated fair value. The current PB Ratio is 1.43, which is 38% above median its 10-year median of 1.04 and 62% below the Semiconductors industry median of 3.77. Photronics' overall GF Score™ is 92/100 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 Photronics (PLAB), the current PB Ratio is 1.43 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 Photronics (PLAB) Overvalued in 2026?
Based on GuruFocus' analysis, Photronics stock appears to be overvalued.
The current stock price of $30.58 is trading 19.4% above its estimated GF Value™ of $25.61.
GuruFocus considers Photronics to be Modestly Overvalued.
Key valuation signals for PLAB:
PB Ratio: 1.43 (38% above median its 10-year median of 1.04)
GF Value™: $25.61 vs. price of $30.58 (19.4% above fair value)
Industry Position: 62% below the Semiconductors median (#215 of 1000)
No single metric tells the full story. See the PLAB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Photronics Inc is a U.S.-based company principally engaged in the manufacturing of photomasks, which are high-precision photographic quartz or glass plates containing microscopic images of electronic circuits. Photomasks are a key element in the manufacture of integrated circuits (ICs) and flat-panel displays (FPDs) and are used as masters to transfer circuit patterns onto semiconductor wafers and FPD substrates during fabrication, as well as to a lesser extent, other types of electrical and optical components. The Company has manufacturing facilities in Taiwan, China, South Korea, the United States, and Europe, and generates revenue globally, with Taiwan contributing the majority of total revenue.
92GF Score
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