Productive Technologies CoSTU:SUT +3.23%30 PB Ratio is 1.52 as of Jul. 12, 2026, which is 11% below its 10-year median of 1.70. GuruFocus rates STU:SUT with a GF Score™ of 30/100 and a GF Value™ of €0.01 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 997 Semiconductors companies, Productive Technologies Co ranks better than 76.63% on this metric.
The historical rank and industry rank for Productive Technologies Co's PB Ratio or its related term are showing as below:
STU:SUT'
s PB Ratio Range Over the Past 10 Years
Min: 0.64 Med: 1.7 Max: 3.59
Current: 1.59
During the past 13 years, Productive Technologies Co's highest PB Ratio was 3.59. The lowest was 0.64. And the median was 1.70.
STU:SUT's PB Ratio is ranked better than 76.63% of 997
companies
in the Semiconductors industry
Industry Median: 3.66
vs STU:SUT: 1.59
During the past 12 months, Productive Technologies Co's average Book Value Per Share Growth Rate was -14.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -16.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -16.60% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Productive Technologies Co was 31.00% per year. The lowest was -27.50% per year. And the median was 0.20% per year.
Back to Basics: PB Ratio
Productive Technologies Co (STU:SUT) 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.
Productive Technologies Co PB Ratio Related Terms
Productive Technologies Co PB Ratio Historical Data
* 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, Productive Technologies Co'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.
Productive Technologies Co PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Productive Technologies Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Productive Technologies Co'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.
Productive Technologies Co (STU:SUT) has a PB Ratio of 1.52 as of Jul. 12, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Productive Technologies Co and its competitors. This is 11% below median its historical median of 1.70. Over the past decade, Productive Technologies Co's PB Ratio has ranged from 0.64 to 3.59. According to the industry distribution chart, Productive Technologies Co ranks #233 out of 997 companies in the Semiconductors industry, placing it in the top 23.4%.
Is Productive Technologies Co's PB Ratio too high?
Productive Technologies Co's current PB Ratio of 1.52 is 11% below median its 10-year median of 1.70. Over the past 10 years, this metric has ranged from a low of 0.64 to a high of 3.59. The Semiconductors industry median PB Ratio is 3.66. Productive Technologies Co's value of 1.52 is 58.5% below this industry median. Based on the distribution chart, Productive Technologies Co ranks #233 out of 997 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Productive Technologies Co has a GF Score™ of 30/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Productive Technologies Co's PB Ratio compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Productive Technologies Co ranks #233 out of 997 companies for PB Ratio. This places Productive Technologies Co in the top 23% of its industry — outperforming the majority of peers. The industry median PB Ratio is 3.66. Productive Technologies Co's value of 1.52 is 58.5% below this benchmark. Historically, Productive Technologies Co's own PB Ratio has ranged from 0.64 to 3.59 over the past decade. While the company's 10-year median is 1.70 vs. the industry median of 3.66, Productive Technologies Co 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 3.66, based on 997 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. Productive Technologies Co's current PB Ratio of 1.52 is 58.5% 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 Productive Technologies Co and its competitors. For the Semiconductors industry, the median PB Ratio is 3.66 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Productive Technologies Co's current PB Ratio is 1.52, which is 11% below median its own 10-year median of 1.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Productive Technologies Co stock overvalued right now?
Based on GuruFocus' analysis, Productive Technologies Co (STU:SUT) is currently considered Significantly Overvalued. The stock's GF Value™ is €0.01, compared to a current price of €0.03 — trading 220% above its estimated fair value. The current PB Ratio is 1.52, which is 11% below median its 10-year median of 1.70 and 58.5% below the Semiconductors industry median of 3.66. Productive Technologies Co's overall GF Score™ is 30/100 with 7 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 Productive Technologies Co (STU:SUT), the current PB Ratio is 1.52 as of Jul. 12, 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 Productive Technologies Co (STU:SUT) Overvalued in 2026?
Based on GuruFocus' analysis, Productive Technologies Co stock appears to be overvalued.
The current stock price of €0.03 is trading 220% above its estimated GF Value™ of €0.01.
GuruFocus considers Productive Technologies Co to be Significantly Overvalued.
Key valuation signals for STU:SUT:
PB Ratio: 1.52 (11% below median its 10-year median of 1.70)
GF Value™: €0.01 vs. price of €0.03 (220% above fair value)
Industry Position: 58.5% below the Semiconductors median (#233 of 997)
No single metric tells the full story. See the STU:SUT stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Productive Technologies Co Ltd is engaged in the business of productivity-driven equipment applied in semiconductor and solar cell businesses. It also operates an oil and gas production project in the PRC. It offers sustainable growth and supply chain re-optimization of the semiconductor and solar power market and is committed to high-productivity solutions to industrial manufacturers. It has two segments, including semiconductor and solar cells, and Oil and gas and others segments. It generates the majority of its revenue from the Oil and gas and others: this segment invests in and operates an upstream oil and gas business, LNG business, and generates income from the processing of oil and gas and LNG, as well as investing and managing energy-related and other industries and businesses.
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