STS Group AGSTSGF 56 PB Ratio is 0.39 as of Jun. 26, 2026, which is 35% below its 10-year median of 0.60. GuruFocus rates STSGF with a GF Score™ of 56/100 and a GF Value™ of $4.86 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 1,295 Vehicles & Parts companies, STS Group AG ranks better than 85.25% 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 (2026-06-26), STS Group AG's share price is $3.00. STS Group AG's Book Value per Share for the quarter that ended in Dec. 2025 was $7.79. Hence, STS Group AG's PB Ratio of today is 0.39.
Good Sign:
STS Group AG stock PB Ratio (=0.45) is close to 1-year low of 0.41.
The historical rank and industry rank for STS Group AG's PB Ratio or its related term are showing as below:
STSGF'
s PB Ratio Range Over the Past 10 Years
Min: 0.18 Med: 0.6 Max: 2.39
Current: 0.45
During the past 12 years, STS Group AG's highest PB Ratio was 2.39. The lowest was 0.18. And the median was 0.60.
STSGF's PB Ratio is ranked better than 85.25% of 1295
companies
in the Vehicles & Parts industry
Industry Median: 1.38
vs STSGF: 0.45
During the past 12 months, STS Group AG's average Book Value Per Share Growth Rate was -4.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -4.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -4.80% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 9.40% per year.
During the past 12 years, the highest 3-Year average Book Value Per Share Growth Rate of STS Group AG was 128.30% per year. The lowest was -13.00% per year. And the median was -4.70% 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.
STS Group AG PB Ratio Related Terms
STS Group AG PB Ratio Historical Data
* Premium members only.
The historical data trend for STS Group AG'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 Auto Parts subindustry, STS Group AG'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.
STS Group AG PB Ratio vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, STS Group AG's PB Ratio distribution charts can be found below:
* The bar in red indicates where STS Group AG'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.
STS Group AG'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.
STS Group AG (STSGF) has a PB Ratio of 0.39 as of Jun. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on STS Group AG and its competitors. This is 35% below median its historical median of 0.60. Over the past decade, STS Group AG's PB Ratio has ranged from 0.18 to 2.39. According to the industry distribution chart, STS Group AG ranks #191 out of 1295 companies in the Vehicles & Parts industry, placing it in the top 14.7%.
Is STS Group AG's PB Ratio too high?
STS Group AG's current PB Ratio of 0.39 is 35% below median its 10-year median of 0.60. Over the past 10 years, this metric has ranged from a low of 0.18 to a high of 2.39. The Vehicles & Parts industry median PB Ratio is 1.38. STS Group AG's value of 0.39 is 71.7% below this industry median. Based on the distribution chart, STS Group AG ranks #191 out of 1295 companies in the Vehicles & Parts industry, which is in the top quartile — a strong position relative to peers. Overall, STS Group AG has a GF Score™ of 56/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does STS Group AG's PB Ratio compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, STS Group AG ranks #191 out of 1295 companies for PB Ratio. This places STS Group AG in the top 15% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.38. STS Group AG's value of 0.39 is 71.7% below this benchmark. Historically, STS Group AG's own PB Ratio has ranged from 0.18 to 2.39 over the past decade. While the company's 10-year median is 0.60 vs. the industry median of 1.38, STS Group AG 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 Vehicles & Parts company?
The median PB Ratio among Vehicles & Parts companies is 1.38, based on 1,295 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. STS Group AG's current PB Ratio of 0.39 is 71.7% 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 STS Group AG and its competitors. For the Vehicles & Parts industry, the median PB Ratio is 1.38 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. STS Group AG's current PB Ratio is 0.39, which is 35% below median its own 10-year median of 0.60. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STS Group AG stock overvalued right now?
Based on GuruFocus' analysis, STS Group AG (STSGF) is currently considered Possible Value Trap. The stock's GF Value™ is $4.86, compared to a current price of $3.00 — trading 38.3% below its estimated fair value. The current PB Ratio is 0.39, which is 35% below median its 10-year median of 0.60 and 71.7% below the Vehicles & Parts industry median of 1.38. STS Group AG's overall GF Score™ is 56/100 with 4 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 STS Group AG (STSGF), the current PB Ratio is 0.39 as of Jun. 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 STS Group AG (STSGF) Overvalued in 2026?
Based on GuruFocus' analysis, STS Group AG stock appears to be undervalued.
The current stock price of $3.00 is trading 38.3% below its estimated GF Value™ of $4.86.
GuruFocus considers STS Group AG to be Possible Value Trap.
Key valuation signals for STSGF:
PB Ratio: 0.39 (35% below median its 10-year median of 0.60)
GF Value™: $4.86 vs. price of $3.00 (38.3% below fair value)
Industry Position: 71.7% below the Vehicles & Parts median (#191 of 1295)
No single metric tells the full story. See the STSGF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
STS Group AG is a systems supplier to the automotive industry globally. It produces and develops plastic injection moulded parts and components made from composite materials (Sheet Moulding Compound SMC), such as rigid and flexible vehicle and aerodynamic trim, complete interior systems, as well as lightweight and battery components for electric vehicles. STS's customer portfolio includes various international manufacturers of commercial vehicles, passenger cars, and electric vehicles. The Group's operating business segments are: China, Materials, and Plastics. Maximum revenue is generated from the Plastics segment, which manufactures exterior body parts and interior modules for lorries, commercial vehicles and passenger cars. Geographically, the Group derives maximum revenue from France.
56GF Score
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