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ACM ResearchSTU:813 -4.67%82 PB Ratio is 3.56 as of Jul. 26, 2026, which is 42% above its 10-year median of 2.50. GuruFocus rates STU:813 with a GF Score™ of 82/100 and a GF Value™ of €30.07 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 998 Semiconductors companies, ACM Research ranks worse than 54.41% 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 (2026-07-26), ACM Research's share price is €73.50. ACM Research's Book Value per Share for the quarter that ended in Mar. 2026 was €20.66. Hence, ACM Research's PB Ratio of today is 3.56.
The historical rank and industry rank for ACM Research's PB Ratio or its related term are showing as below:
STU:813'
s PB Ratio Range Over the Past 10 Years
Min: 0.58 Med: 2.5 Max: 21.01
Current: 3.53
During the past 11 years, ACM Research's highest PB Ratio was 21.01. The lowest was 0.58. And the median was 2.50.
STU:813's PB Ratio is ranked worse than 54.41% of 998
companies
in the Semiconductors industry
Industry Median: 3.14
vs STU:813: 3.53
During the past 12 months, ACM Research's average Book Value Per Share Growth Rate was 60.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 25.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 39.60% per year.
During the past 11 years, the highest 3-Year average Book Value Per Share Growth Rate of ACM Research was 119.50% per year. The lowest was 7.60% per year. And the median was 56.80% 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.
ACM Research PB Ratio Related Terms
ACM Research PB Ratio Historical Data
* Premium members only.
The historical data trend for ACM Research'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, ACM Research'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.
ACM Research PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, ACM Research's PB Ratio distribution charts can be found below:
* The bar in red indicates where ACM Research'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.
ACM Research'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.
ACM Research (STU:813) has a PB Ratio of 3.56 as of Jul. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on ACM Research and its competitors. This is 42% above median its historical median of 2.50. Over the past decade, ACM Research's PB Ratio has ranged from 0.58 to 21.01. According to the industry distribution chart, ACM Research ranks #543 out of 998 companies in the Semiconductors industry, placing it in the top 54.4%.
Is ACM Research's PB Ratio too high?
ACM Research's current PB Ratio of 3.56 is 42% above median its 10-year median of 2.50. Over the past 10 years, this metric has ranged from a low of 0.58 to a high of 21.01. The Semiconductors industry median PB Ratio is 3.14. ACM Research's value of 3.56 is 13.4% above this industry median. Based on the distribution chart, ACM Research ranks #543 out of 998 companies in the Semiconductors industry, which is below the industry midpoint. Overall, ACM Research has a GF Score™ of 82/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does ACM Research's PB Ratio compare to CAMT and KLIC?
According to the Semiconductors industry distribution chart, ACM Research ranks #543 out of 998 companies for PB Ratio. This places ACM Research in the lower half of its industry. The industry median PB Ratio is 3.14. ACM Research's value of 3.56 is 13.4% above this benchmark. Historically, ACM Research's own PB Ratio has ranged from 0.58 to 21.01 over the past decade. While the company's 10-year median is 2.50 vs. the industry median of 3.14, ACM Research 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 3.14, based on 998 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. ACM Research's current PB Ratio of 3.56 is 13.4% 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 ACM Research and its competitors. For the Semiconductors industry, the median PB Ratio is 3.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ACM Research's current PB Ratio is 3.56, which is 42% above median its own 10-year median of 2.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ACM Research stock overvalued right now?
Based on GuruFocus' analysis, ACM Research (STU:813) is currently considered Significantly Overvalued. The stock's GF Value™ is €30.07, compared to a current price of €73.50 — trading 144.4% above its estimated fair value. The current PB Ratio is 3.56, which is 42% above median its 10-year median of 2.50 and 13.4% above the Semiconductors industry median of 3.14. ACM Research's overall GF Score™ is 82/100 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 ACM Research (STU:813), the current PB Ratio is 3.56 as of Jul. 26, 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 ACM Research (STU:813) Overvalued in 2026?
Based on GuruFocus' analysis, ACM Research stock appears to be overvalued.
The current stock price of €73.50 is trading 144.4% above its estimated GF Value™ of €30.07.
GuruFocus considers ACM Research to be Significantly Overvalued.
Key valuation signals for STU:813:
PB Ratio: 3.56 (42% above median its 10-year median of 2.50)
GF Value™: €30.07 vs. price of €73.50 (144.4% above fair value)
Industry Position: 13.4% above the Semiconductors median (#543 of 998)
No single metric tells the full story. See the STU:813 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ACM Research Inc supplies capital equipment developed for the semiconductor industry. The company focuses on developing differentiated process solutions that enable effective particle removal, uniform material deposition, and reliable process control for the fabricators of integrated circuits. Its product offerings include wet-cleaning, plating, furnace, PECVD, track, and other front-end processing equipment. Additionally, it develops, manufactures, and sells a range of packaging equipment to wafer assembly and packaging customers. Geographically, the company generates maximum revenue from its customers in Mainland China, and the rest from other regions.
82GF Score
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