KLAKLAC -1.64%86 PB Ratio is 53.91 as of Jun. 24, 2026, which is 249% above its 10-year median of 15.46. GuruFocus rates KLAC with a GF Score™ of 86/100 and a GF Value™ of $99.87 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,000 Semiconductors companies, KLA ranks worse than 98.7% 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 (2026-06-24), KLA's share price is $240.48. KLA's Book Value per Share for the quarter that ended in Mar. 2026 was $4.46. Hence, KLA's PB Ratio of today is 53.91.
Warning Sign:
KLA Corp stock PB Ratio (=54.81) is close to 10-year high of 58.18.
The historical rank and industry rank for KLA's PB Ratio or its related term are showing as below:
KLAC'
s PB Ratio Range Over the Past 10 Years
Min: 5.86 Med: 15.46 Max: 58.18
Current: 53.92
During the past 13 years, KLA's highest PB Ratio was 58.18. The lowest was 5.86. And the median was 15.46.
KLAC's PB Ratio is ranked worse than 98.7% of 1000
companies
in the Semiconductors industry
Industry Median: 3.835
vs KLAC: 53.92
During the past 12 months, KLA's average Book Value Per Share Growth Rate was 47.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 53.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 14.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 23.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of KLA was 59.50% per year. The lowest was -48.80% per year. And the median was 10.80% 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.
KLA PB Ratio Related Terms
KLA PB Ratio Historical Data
* Premium members only.
The historical data trend for KLA'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, KLA'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.
KLA PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, KLA's PB Ratio distribution charts can be found below:
* The bar in red indicates where KLA'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.
KLA'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.
KLA (KLAC) has a PB Ratio of 53.91 as of Jun. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on KLA and its competitors. This is 249% above median its historical median of 15.46. Over the past decade, KLA's PB Ratio has ranged from 5.86 to 58.18. According to the industry distribution chart, KLA ranks #987 out of 1000 companies in the Semiconductors industry, placing it in the top 98.7%.
Is KLA's PB Ratio too high?
KLA's current PB Ratio of 53.91 is 249% above median its 10-year median of 15.46. Over the past 10 years, this metric has ranged from a low of 5.86 to a high of 58.18. The Semiconductors industry median PB Ratio is 3.84. KLA's value of 53.91 is 1305.7% above this industry median. Based on the distribution chart, KLA ranks #987 out of 1000 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, KLA has a GF Score™ of 86/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does KLA's PB Ratio compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, KLA ranks #987 out of 1000 companies for PB Ratio. This places KLA in the lower half of its industry. The industry median PB Ratio is 3.84. KLA's value of 53.91 is 1305.7% above this benchmark. Historically, KLA's own PB Ratio has ranged from 5.86 to 58.18 over the past decade. While the company's 10-year median is 15.46 vs. the industry median of 3.84, KLA 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 3.84, 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. KLA's current PB Ratio of 53.91 is 1305.7% 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 KLA and its competitors. For the Semiconductors industry, the median PB Ratio is 3.84 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. KLA's current PB Ratio is 53.91, which is 249% above median its own 10-year median of 15.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is KLA stock overvalued right now?
Based on GuruFocus' analysis, KLA (KLAC) is currently considered Significantly Overvalued. The stock's GF Value™ is $99.87, compared to a current price of $240.48 — trading 140.8% above its estimated fair value. The current PB Ratio is 53.91, which is 249% above median its 10-year median of 15.46 and 1305.7% above the Semiconductors industry median of 3.84. KLA's overall GF Score™ is 86/100 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 KLA (KLAC), the current PB Ratio is 53.91 as of Jun. 24, 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 KLA (KLAC) Overvalued in 2026?
Based on GuruFocus' analysis, KLA stock appears to be overvalued.
The current stock price of $240.48 is trading 140.8% above its estimated GF Value™ of $99.87.
GuruFocus considers KLA to be Significantly Overvalued.
Key valuation signals for KLAC:
PB Ratio: 53.91 (249% above median its 10-year median of 15.46)
GF Value™: $99.87 vs. price of $240.48 (140.8% above fair value)
Industry Position: 1305.7% above the Semiconductors median (#987 of 1000)
No single metric tells the full story. See the KLAC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
KLA is one of the largest semiconductor wafer fabrication equipment, or WFE, manufacturers in the world. It specializes in the market segment of semiconductor process control, wherein machines inspect semiconductor wafers during research and development and manufacturing for defects and verify precise measurements. In this section of the market, KLA holds a majority share. It also has a small exposure to the etch and deposition segments of the WFE market. It counts as top customers the largest chipmakers in the world, including TSMC and Samsung.
86GF Score
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