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Nosa PlugsOSTO:NOSA 56 PB Ratio is 3.38 as of Jul. 14, 2026, which is 31% above its 10-year median of 2.59. GuruFocus rates OSTO:NOSA with a GF Score™ of 56/100 and a GF Value™ of kr1.19 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 788 Medical Devices & Instruments companies, Nosa Plugs ranks worse than 67.77% 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 (2026-07-14), Nosa Plugs's share price is kr0.511. Nosa Plugs's Book Value per Share for the quarter that ended in Mar. 2026 was kr0.15. Hence, Nosa Plugs's PB Ratio of today is 3.38.
Good Sign:
Nosa Plugs stock PB Ratio (=3.38) is close to 3-year low of 3.05.
The historical rank and industry rank for Nosa Plugs's PB Ratio or its related term are showing as below:
OSTO:NOSA'
s PB Ratio Range Over the Past 10 Years
Min: 1.02 Med: 2.59 Max: 14.11
Current: 3.38
During the past 11 years, Nosa Plugs's highest PB Ratio was 14.11. The lowest was 1.02. And the median was 2.59.
OSTO:NOSA's PB Ratio is ranked worse than 67.77% of 788
companies
in the Medical Devices & Instruments industry
Industry Median: 2.05
vs OSTO:NOSA: 3.38
During the past 12 months, Nosa Plugs's average Book Value Per Share Growth Rate was 109.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 16.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -46.10% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -44.30% per year.
During the past 11 years, the highest 3-Year average Book Value Per Share Growth Rate of Nosa Plugs was 16.50% per year. The lowest was -76.10% per year. And the median was -43.25% 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.
Nosa Plugs PB Ratio Related Terms
Nosa Plugs PB Ratio Historical Data
* Premium members only.
The historical data trend for Nosa Plugs'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 Medical Devices subindustry, Nosa Plugs'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.
Nosa Plugs PB Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Nosa Plugs's PB Ratio distribution charts can be found below:
* The bar in red indicates where Nosa Plugs'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.
Nosa Plugs'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.
Nosa Plugs (OSTO:NOSA) has a PB Ratio of 3.38 as of Jul. 14, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Nosa Plugs and its competitors. This is 31% above median its historical median of 2.59. Over the past decade, Nosa Plugs' PB Ratio has ranged from 1.02 to 14.11. According to the industry distribution chart, Nosa Plugs ranks #534 out of 788 companies in the Medical Devices & Instruments industry, placing it in the top 67.8%.
Is Nosa Plugs' PB Ratio too high?
Nosa Plugs' current PB Ratio of 3.38 is 31% above median its 10-year median of 2.59. Over the past 10 years, this metric has ranged from a low of 1.02 to a high of 14.11. The Medical Devices & Instruments industry median PB Ratio is 2.05. Nosa Plugs' value of 3.38 is 64.9% above this industry median. Based on the distribution chart, Nosa Plugs ranks #534 out of 788 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, Nosa Plugs 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 Nosa Plugs' PB Ratio compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Nosa Plugs ranks #534 out of 788 companies for PB Ratio. This places Nosa Plugs in the lower half of its industry. The industry median PB Ratio is 2.05. Nosa Plugs' value of 3.38 is 64.9% above this benchmark. Historically, Nosa Plugs' own PB Ratio has ranged from 1.02 to 14.11 over the past decade. While the company's 10-year median is 2.59 vs. the industry median of 2.05, Nosa Plugs 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 Medical Devices & Instruments company?
The median PB Ratio among Medical Devices & Instruments companies is 2.05, based on 788 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. Nosa Plugs's current PB Ratio of 3.38 is 64.9% 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 Nosa Plugs and its competitors. For the Medical Devices & Instruments industry, the median PB Ratio is 2.05 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nosa Plugs's current PB Ratio is 3.38, which is 31% above median its own 10-year median of 2.59. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nosa Plugs stock overvalued right now?
Based on GuruFocus' analysis, Nosa Plugs (OSTO:NOSA) is currently considered Possible Value Trap. The stock's GF Value™ is kr1.19, compared to a current price of kr0.51 — trading 57.1% below its estimated fair value. The current PB Ratio is 3.38, which is 31% above median its 10-year median of 2.59 and 64.9% above the Medical Devices & Instruments industry median of 2.05. Nosa Plugs' 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 Nosa Plugs (OSTO:NOSA), the current PB Ratio is 3.38 as of Jul. 14, 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 Nosa Plugs (OSTO:NOSA) Overvalued in 2026?
Based on GuruFocus' analysis, Nosa Plugs stock appears to be undervalued.
The current stock price of kr0.51 is trading 57.1% below its estimated GF Value™ of kr1.19.
GuruFocus considers Nosa Plugs to be Possible Value Trap.
Key valuation signals for OSTO:NOSA:
PB Ratio: 3.38 (31% above median its 10-year median of 2.59)
GF Value™: kr1.19 vs. price of kr0.51 (57.1% below fair value)
Industry Position: 64.9% above the Medical Devices & Instruments median (#534 of 788)
No single metric tells the full story. See the OSTO:NOSA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Nosa Plugs is a Swedish medical technology company. It is a supplier of nasal protection and nasal filters. With the vision to improve the breathing experience for everyone, NOSA offers a product portfolio consisting of odor protection, nasal filters against allergens and nasal protection that reduces viruses and bacteria.
56GF Score
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