Montana Aerospace AGXSWX:AERO 57 PB Ratio is 1.42 as of Jun. 25, 2026, which is 17% above its 10-year median of 1.21. GuruFocus rates XSWX:AERO with a GF Score™ of 57/100 and a GF Value™ of CHF16.41 (Modestly Overvalued). The stock has 3 warning signs investors should review. Among 339 Aerospace & Defense companies, Montana Aerospace AG ranks better than 85.25% on this metric.
Montana Aerospace AG stock PB Ratio (=1.42) is close to 1-year low of 1.4.
The historical rank and industry rank for Montana Aerospace AG's PB Ratio or its related term are showing as below:
XSWX:AERO'
s PB Ratio Range Over the Past 10 Years
Min: 0.69 Med: 1.21 Max: 2.33
Current: 1.42
During the past 8 years, Montana Aerospace AG's highest PB Ratio was 2.33. The lowest was 0.69. And the median was 1.21.
XSWX:AERO's PB Ratio is ranked better than 85.25% of 339
companies
in the Aerospace & Defense industry
Industry Median: 3.66
vs XSWX:AERO: 1.42
During the past 12 months, Montana Aerospace AG's average Book Value Per Share Growth Rate was 1.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -1.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 15.80% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of Montana Aerospace AG was 44.40% per year. The lowest was -5.00% per year. And the median was 35.00% per year.
Back to Basics: PB Ratio
Montana Aerospace AG (XSWX:AERO) 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.
Montana Aerospace AG PB Ratio Related Terms
Montana Aerospace AG PB Ratio Historical Data
* Premium members only.
The historical data trend for Montana Aerospace 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 Aerospace & Defense subindustry, Montana Aerospace 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.
Montana Aerospace AG PB Ratio vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Montana Aerospace AG's PB Ratio distribution charts can be found below:
* The bar in red indicates where Montana Aerospace 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.
* 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.
Montana Aerospace AG (XSWX:AERO) has a PB Ratio of 1.42 as of Jun. 25, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Montana Aerospace AG and its competitors. This is 17% above median its historical median of 1.21. Over the past decade, Montana Aerospace AG's PB Ratio has ranged from 0.69 to 2.33. According to the industry distribution chart, Montana Aerospace AG ranks #50 out of 339 companies in the Aerospace & Defense industry, placing it in the top 14.7%.
Is Montana Aerospace AG's PB Ratio too high?
Montana Aerospace AG's current PB Ratio of 1.42 is 17% above median its 10-year median of 1.21. Over the past 10 years, this metric has ranged from a low of 0.69 to a high of 2.33. The Aerospace & Defense industry median PB Ratio is 3.66. Montana Aerospace AG's value of 1.42 is 61.2% below this industry median. Based on the distribution chart, Montana Aerospace AG ranks #50 out of 339 companies in the Aerospace & Defense industry, which is in the top quartile — a strong position relative to peers. Overall, Montana Aerospace AG has a GF Score™ of 57/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Montana Aerospace AG's PB Ratio compare to GE and RTX?
According to the Aerospace & Defense industry distribution chart, Montana Aerospace AG ranks #50 out of 339 companies for PB Ratio. This places Montana Aerospace AG in the top 15% of its industry — outperforming the majority of peers. The industry median PB Ratio is 3.66. Montana Aerospace AG's value of 1.42 is 61.2% below this benchmark. Historically, Montana Aerospace AG's own PB Ratio has ranged from 0.69 to 2.33 over the past decade. While the company's 10-year median is 1.21 vs. the industry median of 3.66, Montana Aerospace 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 an Aerospace & Defense company?
The median PB Ratio among Aerospace & Defense companies is 3.66, based on 339 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. Montana Aerospace AG's current PB Ratio of 1.42 is 61.2% 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 Montana Aerospace AG and its competitors. For the Aerospace & Defense 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. Montana Aerospace AG's current PB Ratio is 1.42, which is 17% above median its own 10-year median of 1.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Montana Aerospace AG stock overvalued right now?
Based on GuruFocus' analysis, Montana Aerospace AG (XSWX:AERO) is currently considered Modestly Overvalued. The stock's GF Value™ is CHF16.41, compared to a current price of CHF20.70 — trading 26.1% above its estimated fair value. The current PB Ratio is 1.42, which is 17% above median its 10-year median of 1.21 and 61.2% below the Aerospace & Defense industry median of 3.66. Montana Aerospace AG's overall GF Score™ is 57/100 with 3 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 Montana Aerospace AG (XSWX:AERO), the current PB Ratio is 1.42 as of Jun. 25, 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 Montana Aerospace AG (XSWX:AERO) Overvalued in 2026?
Based on GuruFocus' analysis, Montana Aerospace AG stock appears to be overvalued.
The current stock price of CHF20.70 is trading 26.1% above its estimated GF Value™ of CHF16.41.
GuruFocus considers Montana Aerospace AG to be Modestly Overvalued.
Key valuation signals for XSWX:AERO:
PB Ratio: 1.42 (17% above median its 10-year median of 1.21)
GF Value™: CHF16.41 vs. price of CHF20.70 (26.1% above fair value)
Industry Position: 61.2% below the Aerospace & Defense median (#50 of 339)
No single metric tells the full story. See the XSWX:AERO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Montana Aerospace AG is a vertically integrated manufacturer and supplier of complex components, structures, and customized assemblies, as well as semi-finished products for specialized applications in a wide array of end markets. The company's reportable segments are Aerostructures and Alpine Metal Tech. Maximum revenue is generated from the Aerostructures segment, which develops and manufactures aircraft parts. Its product portfolio ranges from structural components for fuselage, wings, and landing gear to critical engine components subject to high thermal and mechanical loads, and functional components for the cabin interior. Geographically, the company generates maximum revenue from the USA, followed by Brazil, Germany, China, the United Kingdom, Belgium, and other countries.
57GF Score
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