Boule Diagnostics AB (OSTO:BOUL) Cyclically Adjusted PB Ratio: 0.32 (As of Jul. 30, 2026) — 71% Below Median

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Director of Data and Quant Analytics at GuruFocus
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OSTO:BOUL Boule Diagnostics AB OSTO:BOUL
47 GF Score
Price kr3.64
GF Value kr6.50
Valuation Possible Value Trap
! 2 Warning Signs
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What is Boule Diagnostics AB Cyclically Adjusted PB Ratio?

Boule Diagnostics AB OSTO:BOUL +4.00% 47 Cyclically Adjusted PB Ratio is 0.32 as of Jul. 30, 2026, which is 71% below its 10-year median of 1.12. GuruFocus rates OSTO:BOUL with a GF Score™ of 47/100 and a GF Value™ of kr6.50 (Possible Value Trap). The stock has 2 warning signs investors should review. Among 520 Medical Devices & Instruments companies, Boule Diagnostics AB ranks better than 89.62% on this metric.

As of today (2026-07-30), Boule Diagnostics AB's current share price is kr3.64. Boule Diagnostics AB's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was kr11.36. Boule Diagnostics AB's Cyclically Adjusted PB Ratio for today is 0.32.

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

OSTO:BOUL' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.27   Med: 1.12   Max: 6.71
Current: 0.31

During the past years, Boule Diagnostics AB's highest Cyclically Adjusted PB Ratio was 6.71. The lowest was 0.27. And the median was 1.12.

OSTO:BOUL's Cyclically Adjusted PB Ratio is ranked better than
89.62% of 520 companies
in the Medical Devices & Instruments industry
Industry Median: 1.8 vs OSTO:BOUL: 0.31

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.

Boule Diagnostics AB's adjusted book value per share data for the three months ended in Jun. 2026 was kr4.504. 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 kr11.36 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Boule Diagnostics AB  (OSTO:BOUL) 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.


Boule Diagnostics AB Cyclically Adjusted PB Ratio Related Terms


Boule Diagnostics AB Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Boule Diagnostics 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.

Boule Diagnostics AB Cyclically Adjusted PB Ratio Chart

Boule Diagnostics 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 3.69 1.40 0.96 0.75 0.42

Boule Diagnostics AB Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 0.74 0.44 0.42 0.34 0.33

OSTO:BOUL vs ABT, SYK, MDT: Cyclically Adjusted PB Ratio Comparison

For the Medical Devices subindustry, Boule Diagnostics 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.


Boule Diagnostics AB Cyclically Adjusted PB Ratio vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Boule Diagnostics AB's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


OSTO:BOUL
47GF Score
Boule Diagnostics AB OSTO:BOUL
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Boule Diagnostics 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.

Boule Diagnostics AB's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.64/11.36
=0.32

* 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.

Boule Diagnostics AB's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Boule Diagnostics AB's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=4.504/134.1100*134.1100
=4.504

Current CPI (Jun. 2026) = 134.1100.

Boule Diagnostics AB Quarterly Data

Book Value per Share CPI Adj_Book
201609 8.394 101.138 11.131
201612 8.641 102.022 11.359
201703 8.902 102.022 11.702
201706 8.273 102.752 10.798
201709 9.134 103.279 11.861
201712 9.547 103.793 12.336
201803 10.150 103.962 13.093
201806 10.584 104.875 13.534
201809 10.897 105.679 13.829
201812 10.972 105.912 13.893
201903 11.466 105.886 14.522
201906 11.076 106.742 13.916
201909 12.159 107.214 15.209
201912 12.140 107.766 15.108
202003 12.881 106.563 16.211
202006 10.857 107.498 13.545
202009 11.430 107.635 14.241
202012 9.821 108.296 12.162
202103 10.120 108.360 12.525
202106 9.566 108.928 11.778
202109 9.993 110.338 12.146
202112 10.785 112.486 12.858
202203 11.076 114.825 12.936
202206 11.415 118.384 12.931
202209 12.268 122.296 13.453
202212 11.910 126.365 12.640
202303 12.034 127.042 12.704
202306 12.384 129.407 12.834
202309 12.482 130.224 12.855
202312 12.234 131.912 12.438
202403 12.824 132.205 13.009
202406 12.780 132.716 12.914
202409 6.564 132.304 6.654
202412 5.057 132.987 5.100
202503 4.452 132.825 4.495
202506 4.159 133.699 4.172
202509 4.337 133.480 4.357
202512 4.317 133.390 4.340
202603 4.416 133.560 4.434
202606 4.504 134.110 4.504

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 0.32 mean?
Boule Diagnostics AB (OSTO:BOUL) has a Cyclically Adjusted PB Ratio of 0.32 as of Jul. 30, 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 Boule Diagnostics AB and its competitors. This is 71% below median its historical median of 1.12. Over the past decade, Boule Diagnostics AB's Cyclically Adjusted PB Ratio has ranged from 0.27 to 6.71. According to the industry distribution chart, Boule Diagnostics AB ranks #54 out of 520 companies in the Medical Devices & Instruments industry, placing it in the top 10.4%.
Is Boule Diagnostics AB's Cyclically Adjusted PB Ratio too high?
Boule Diagnostics AB's current Cyclically Adjusted PB Ratio of 0.32 is 71% below median its 10-year median of 1.12. Over the past 10 years, this metric has ranged from a low of 0.27 to a high of 6.71. The Medical Devices & Instruments industry median Cyclically Adjusted PB Ratio is 1.80. Boule Diagnostics AB's value of 0.32 is 82.2% below this industry median. Based on the distribution chart, Boule Diagnostics AB ranks #54 out of 520 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Boule Diagnostics AB has a GF Score™ of 47/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Boule Diagnostics AB's Cyclically Adjusted PB Ratio compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Boule Diagnostics AB ranks #54 out of 520 companies for Cyclically Adjusted PB Ratio. This places Boule Diagnostics AB in the top 10% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.80. Boule Diagnostics AB's value of 0.32 is 82.2% below this benchmark. Historically, Boule Diagnostics AB's own Cyclically Adjusted PB Ratio has ranged from 0.27 to 6.71 over the past decade. While the company's 10-year median is 1.12 vs. the industry median of 1.80, Boule Diagnostics 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 Medical Devices & Instruments company?
The median Cyclically Adjusted PB Ratio among Medical Devices & Instruments companies is 1.80, based on 520 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. Boule Diagnostics AB's current Cyclically Adjusted PB Ratio of 0.32 is 82.2% 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 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 Boule Diagnostics AB and its competitors. For the Medical Devices & Instruments industry, the median Cyclically Adjusted PB Ratio is 1.80 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Boule Diagnostics AB's current Cyclically Adjusted PB Ratio is 0.32, which is 71% below median its own 10-year median of 1.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Boule Diagnostics AB stock overvalued right now?
Based on GuruFocus' analysis, Boule Diagnostics AB (OSTO:BOUL) is currently considered Possible Value Trap. The stock's GF Value™ is kr6.50, compared to a current price of kr3.64 — trading 44% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.32, which is 71% below median its 10-year median of 1.12 and 82.2% below the Medical Devices & Instruments industry median of 1.80. Boule Diagnostics AB's overall GF Score™ is 47/100 with 2 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 Boule Diagnostics AB (OSTO:BOUL), the current Cyclically Adjusted PB Ratio is 0.32 as of Jul. 30, 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 Boule Diagnostics AB (OSTO:BOUL) Overvalued in 2026?

Based on GuruFocus' analysis, Boule Diagnostics AB stock appears to be undervalued. The current stock price of kr3.64 is trading 44% below its estimated GF Value™ of kr6.50. GuruFocus considers Boule Diagnostics AB to be Possible Value Trap.

Key valuation signals for OSTO:BOUL:

  • Cyclically Adjusted PB Ratio: 0.32 (71% below median its 10-year median of 1.12)
  • GF Value™: kr6.50 vs. price of kr3.64 (44% below fair value)
  • GF Score™: 47/100 with 2 warning signs
  • Industry Position: 82.2% below the Medical Devices & Instruments median (#54 of 520)

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


Boule Diagnostics AB Business Description

Address Fagerstagatan 7, Spanga, SWE, SE-163 53
Boule Diagnostics AB is a company operating in the diagnostics market. It is engaged in the development, manufacturing and marketing instruments and consumables for blood diagnostics. The systems are intended for small and medium-sized hospitals, clinics and laboratories within outpatient care. the company operating through two complementary business segments: Diagnostics and OEM CDS. Through its subsidiaries, the company operates in USA ,Asia, Eastern Europe, Latin America Western Europe and Africa / Middle East. The majority revenue is generated from Asia.
47GF Score

Get the complete analysis for OSTO:BOUL

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

kr3.64
Price
kr6.50
GF Value