Tempest Security AB (OSTO:TSEC) Cyclically Adjusted PB Ratio: 0.51 (As of Jul. 26, 2026) — 16% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

OSTO:TSEC Tempest Security AB OSTO:TSEC
71 GF Score
Price kr11.70
GF Value kr18.11
Valuation Possible Value Trap
! 4 Warning Signs
View Full Analysis

What is Tempest Security AB Cyclically Adjusted PB Ratio?

Tempest Security AB OSTO:TSEC +6.36% 71 Cyclically Adjusted PB Ratio is 0.51 as of Jul. 26, 2026, which is 16% above its 10-year median of 0.44. GuruFocus rates OSTO:TSEC with a GF Score™ of 71/100 and a GF Value™ of kr18.11 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 730 Business Services companies, Tempest Security AB ranks better than 83.97% on this metric.

As of today (2026-07-26), Tempest Security AB's current share price is kr11.70. Tempest Security AB's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was kr23.13. Tempest Security AB's Cyclically Adjusted PB Ratio for today is 0.51.

The historical rank and industry rank for Tempest Security AB's Cyclically Adjusted PB Ratio or its related term are showing as below:

OSTO:TSEC' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.31   Med: 0.44   Max: 0.56
Current: 0.51

During the past 11 years, Tempest Security AB's highest Cyclically Adjusted PB Ratio was 0.56. The lowest was 0.31. And the median was 0.44.

OSTO:TSEC's Cyclically Adjusted PB Ratio is ranked better than
83.97% of 730 companies
in the Business Services industry
Industry Median: 1.56 vs OSTO:TSEC: 0.51

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Tempest Security AB's adjusted book value per share data of for the fiscal year that ended in Dec25 was kr1.683. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is kr23.13 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


Tempest Security AB  (OSTO:TSEC) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Tempest Security AB Cyclically Adjusted PB Ratio Related Terms


Tempest Security AB Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Tempest Security AB's Cyclically Adjusted 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.

Tempest Security AB Cyclically Adjusted PB Ratio Chart

Tempest Security AB Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.33 0.53

Tempest Security AB Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.33 0.00 0.00 0.00 0.53

OSTO:TSEC vs ALLE, MSA, ADT: Cyclically Adjusted PB Ratio Comparison

For the Security & Protection Services subindustry, Tempest Security AB's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted 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.


Tempest Security AB Cyclically Adjusted PB Ratio vs Business Services Industry

For the Business Services industry and Industrials sector, Tempest Security AB's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Tempest Security AB's Cyclically Adjusted PB Ratio falls into.


OSTO:TSEC
71GF Score
Tempest Security AB OSTO:TSEC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tempest Security AB Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Tempest Security AB's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=11.70/23.13
=0.51

* 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.

Tempest Security AB's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 is calculated as:

For example, Tempest Security AB's adjusted Book Value per Share data for the fiscal year that ended in Dec25 was:

Adj_Book=Book Value per Share/CPI of Dec25 (Change)*Current CPI (Dec25)
=1.683/133.3900*133.3900
=1.683

Current CPI (Dec25) = 133.3900.

Tempest Security AB Annual Data

Book Value per Share CPI Adj_Book
201612 142.291 102.022 186.041
201712 4.420 103.793 5.680
201812 3.344 105.912 4.212
201912 3.499 107.766 4.331
202012 3.582 108.296 4.412
202112 5.413 112.486 6.419
202212 7.372 126.365 7.782
202312 7.630 131.912 7.716
202412 3.001 132.987 3.010
202512 1.683 133.390 1.683

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 0.51 mean?
Tempest Security AB (OSTO:TSEC) has a Cyclically Adjusted PB Ratio of 0.51 as of Jul. 26, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Tempest Security AB and its competitors. This is 16% above median its historical median of 0.44. Over the past decade, Tempest Security AB's Cyclically Adjusted PB Ratio has ranged from 0.31 to 0.56. According to the industry distribution chart, Tempest Security AB ranks #117 out of 730 companies in the Business Services industry, placing it in the top 16%.
Is Tempest Security AB's Cyclically Adjusted PB Ratio too high?
Tempest Security AB's current Cyclically Adjusted PB Ratio of 0.51 is 16% above median its 10-year median of 0.44. Over the past 10 years, this metric has ranged from a low of 0.31 to a high of 0.56. The Business Services industry median Cyclically Adjusted PB Ratio is 1.56. Tempest Security AB's value of 0.51 is 67.3% below this industry median. Based on the distribution chart, Tempest Security AB ranks #117 out of 730 companies in the Business Services industry, which is in the top quartile — a strong position relative to peers. Overall, Tempest Security AB has a GF Score™ of 71/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Tempest Security AB's Cyclically Adjusted PB Ratio compare to ALLE and MSA?
According to the Business Services industry distribution chart, Tempest Security AB ranks #117 out of 730 companies for Cyclically Adjusted PB Ratio. This places Tempest Security AB in the top 16% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.56. Tempest Security AB's value of 0.51 is 67.3% below this benchmark. Historically, Tempest Security AB's own Cyclically Adjusted PB Ratio has ranged from 0.31 to 0.56 over the past decade. While the company's 10-year median is 0.44 vs. the industry median of 1.56, Tempest Security AB 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 Cyclically Adjusted PB Ratio for a Business Services company?
The median Cyclically Adjusted PB Ratio among Business Services companies is 1.56, based on 730 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Tempest Security AB's current Cyclically Adjusted PB Ratio of 0.51 is 67.3% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Tempest Security AB and its competitors. For the Business Services industry, the median Cyclically Adjusted PB Ratio is 1.56 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tempest Security AB's current Cyclically Adjusted PB Ratio is 0.51, which is 16% above median its own 10-year median of 0.44. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tempest Security AB stock overvalued right now?
Based on GuruFocus' analysis, Tempest Security AB (OSTO:TSEC) is currently considered Possible Value Trap. The stock's GF Value™ is kr18.11, compared to a current price of kr11.70 — trading 35.4% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.51, which is 16% above median its 10-year median of 0.44 and 67.3% below the Business Services industry median of 1.56. Tempest Security AB's overall GF Score™ is 71/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Tempest Security AB (OSTO:TSEC), the current Cyclically Adjusted PB Ratio is 0.51 as of Jul. 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 Tempest Security AB (OSTO:TSEC) Overvalued in 2026?

Based on GuruFocus' analysis, Tempest Security AB stock appears to be undervalued. The current stock price of kr11.70 is trading 35.4% below its estimated GF Value™ of kr18.11. GuruFocus considers Tempest Security AB to be Possible Value Trap.

Key valuation signals for OSTO:TSEC:

  • Cyclically Adjusted PB Ratio: 0.51 (16% above median its 10-year median of 0.44)
  • GF Value™: kr18.11 vs. price of kr11.70 (35.4% below fair value)
  • GF Score™: 71/100 with 4 warning signs
  • Industry Position: 67.3% below the Business Services median (#117 of 730)

No single metric tells the full story. See the OSTO:TSEC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tempest Security AB Business Description

Address Ralambsvagen 17, 18th Floor, Stockholm, SWE, 112 59
Tempest Security AB provides solutions for security, protection, and service. The company has two segments: Security Solutions and Risk Solutions. The company gains the majority of revenue from Security Solutions, where it provides security guards, orderlies, and shop control. Risk Solutions includes Consulting, training, personal protection, and other specialized services. Geographically, the business activities function through the regions of Sweden, Denmark, and the United Kingdom.
71GF Score

Get the complete analysis for OSTO:TSEC

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

kr11.70
Price
kr18.11
GF Value