Nos SgpsXLIS:NOS -0.29%80 PB Ratio is 2.25 as of Jun. 29, 2026, which is 11% above its 10-year median of 2.02. GuruFocus rates XLIS:NOS with a GF Score™ of 80/100 and a GF Value™ of €4.07 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 341 Telecommunication Services companies, Nos Sgps ranks worse than 58.94% 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 (2026-06-29), Nos Sgps's share price is €5.19. Nos Sgps's Book Value per Share for the quarter that ended in Mar. 2026 was €2.31. Hence, Nos Sgps's PB Ratio of today is 2.25.
The historical rank and industry rank for Nos Sgps's PB Ratio or its related term are showing as below:
XLIS:NOS'
s PB Ratio Range Over the Past 10 Years
Min: 1.47 Med: 2.02 Max: 3.21
Current: 2.25
During the past 13 years, Nos Sgps's highest PB Ratio was 3.21. The lowest was 1.47. And the median was 2.02.
XLIS:NOS's PB Ratio is ranked worse than 58.94% of 341
companies
in the Telecommunication Services industry
Industry Median: 1.89
vs XLIS:NOS: 2.25
During the past 12 months, Nos Sgps's average Book Value Per Share Growth Rate was 4.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 2.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 3.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 0.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Nos Sgps was 44.50% per year. The lowest was -24.70% per year. And the median was 1.35% 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.
Nos Sgps PB Ratio Related Terms
Nos Sgps PB Ratio Historical Data
* Premium members only.
The historical data trend for Nos Sgps'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 Telecom Services subindustry, Nos Sgps'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.
Nos Sgps PB Ratio vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Nos Sgps's PB Ratio distribution charts can be found below:
* The bar in red indicates where Nos Sgps'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.
Nos Sgps'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.
Nos Sgps (XLIS:NOS) has a PB Ratio of 2.25 as of Jun. 29, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Nos Sgps and its competitors. This is 11% above median its historical median of 2.02. Over the past decade, Nos Sgps' PB Ratio has ranged from 1.47 to 3.21. According to the industry distribution chart, Nos Sgps ranks #201 out of 341 companies in the Telecommunication Services industry, placing it in the top 58.9%.
Is Nos Sgps' PB Ratio too high?
Nos Sgps' current PB Ratio of 2.25 is 11% above median its 10-year median of 2.02. Over the past 10 years, this metric has ranged from a low of 1.47 to a high of 3.21. The Telecommunication Services industry median PB Ratio is 1.89. Nos Sgps' value of 2.25 is 19% above this industry median. Based on the distribution chart, Nos Sgps ranks #201 out of 341 companies in the Telecommunication Services industry, which is below the industry midpoint. Overall, Nos Sgps has a GF Score™ of 80/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Nos Sgps' PB Ratio compare to TMUS and VZ?
According to the Telecommunication Services industry distribution chart, Nos Sgps ranks #201 out of 341 companies for PB Ratio. This places Nos Sgps in the lower half of its industry. The industry median PB Ratio is 1.89. Nos Sgps' value of 2.25 is 19% above this benchmark. Historically, Nos Sgps' own PB Ratio has ranged from 1.47 to 3.21 over the past decade. While the company's 10-year median is 2.02 vs. the industry median of 1.89, Nos Sgps 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 Telecommunication Services company?
The median PB Ratio among Telecommunication Services companies is 1.89, based on 341 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. Nos Sgps's current PB Ratio of 2.25 is 19% 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 Nos Sgps and its competitors. For the Telecommunication Services industry, the median PB Ratio is 1.89 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Nos Sgps's current PB Ratio is 2.25, which is 11% above median its own 10-year median of 2.02. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Nos Sgps stock overvalued right now?
Based on GuruFocus' analysis, Nos Sgps (XLIS:NOS) is currently considered Modestly Overvalued. The stock's GF Value™ is €4.07, compared to a current price of €5.19 — trading 27.5% above its estimated fair value. The current PB Ratio is 2.25, which is 11% above median its 10-year median of 2.02 and 19% above the Telecommunication Services industry median of 1.89. Nos Sgps' overall GF Score™ is 80/100 with 5 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 Nos Sgps (XLIS:NOS), the current PB Ratio is 2.25 as of Jun. 29, 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 Nos Sgps (XLIS:NOS) Overvalued in 2026?
Based on GuruFocus' analysis, Nos Sgps stock appears to be overvalued.
The current stock price of €5.19 is trading 27.5% above its estimated GF Value™ of €4.07.
GuruFocus considers Nos Sgps to be Modestly Overvalued.
Key valuation signals for XLIS:NOS:
PB Ratio: 2.25 (11% above median its 10-year median of 2.02)
GF Value™: €4.07 vs. price of €5.19 (27.5% above fair value)
Industry Position: 19% above the Telecommunication Services median (#201 of 341)
No single metric tells the full story. See the XLIS:NOS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Nos Sgps SA is a group operating in communications, technology, and entertainment in Portugal. It provides fixed and mobile telecommunications services, internet, voice and data solutions, as well as cinema and audiovisual services. Its operations span telecommunications, information technology, and related businesses, offering digital and connectivity services to customers in Portugal. The company's business segments are: Telco, IT and Audiovisuals & Cinema. The majority of the company's revenue is derived from the Telco segment, which includes TV, Internet (fixed and mobile) and voice (fixed and mobile) services rendered.
80GF Score
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