Boule Diagnostics AB (OSTO:BOUL) GF Score: 47/100 (As of Jul. 14, 2026) — 37% Below Median

Author: Vera Yuan Vera Yuan
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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.
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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:BOUL Boule Diagnostics AB OSTO:BOUL
47 GF Score
Price kr3.80
GF Value kr7.14
Valuation Possible Value Trap
! 2 Warning Signs
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What is Boule Diagnostics AB GF Score?

Boule Diagnostics AB OSTO:BOUL -0.26% 47 GF Score is 47 as of Jul. 14, 2026, which is 37% below its 10-year median of 75.00. GuruFocus rates OSTO:BOUL with a GF Score™ of 47/100 and a GF Value™ of kr7.14 (Possible Value Trap). The stock has 2 warning signs investors should review.

Boule Diagnostics AB has the GF Score of 47, which implies that the company might have Worst future performance potential, or not enough data.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 4/10
2. Profitability Rank : 6/10
3. Growth Rank : 1/10
4. GF Value Rank : 4/10
5. Momentum Rank : 1/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes Boule Diagnostics AB might have Worst future performance potential, or not enough data.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.


Boule Diagnostics AB  (OSTO:BOUL) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.


Boule Diagnostics AB GF Score Related Terms


OSTO:BOUL vs ABT, SYK, MDT: GF Score Comparison

For the Medical Devices subindustry, Boule Diagnostics AB's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Boule Diagnostics AB's GF Score distribution charts can be found below:

* The bar in red indicates where Boule Diagnostics AB's GF Score falls into.


OSTO:BOUL
47GF Score
Boule Diagnostics AB OSTO:BOUL
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 47 mean?
Boule Diagnostics AB (OSTO:BOUL) has a GF Score of 47 as of Jul. 14, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Boule Diagnostics AB and its competitors. This is 37% below median its historical median of 75.00. Over the past decade, Boule Diagnostics AB's GF Score has ranged from 31.00 to 93.00.
Is Boule Diagnostics AB's GF Score too high?
Boule Diagnostics AB's current GF Score of 47 is 37% below median its 10-year median of 75.00. Over the past 10 years, this metric has ranged from a low of 31.00 to a high of 93.00. 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 GF Score compare to ABT and SYK?
Boule Diagnostics AB's GF Score of 47 can be compared against companies in the Medical Devices & Instruments industry. Historically, Boule Diagnostics AB's own GF Score has ranged from 31.00 to 93.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for a Medical Devices & Instruments company?
A good GF Score depends on the Medical Devices & Instruments industry context. However, GF Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Boule Diagnostics AB and its competitors. Boule Diagnostics AB's current GF Score is 47, which is 37% below median its own 10-year median of 75.00. 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 kr7.14, compared to a current price of kr3.80 — trading 46.8% below its estimated fair value. The current GF Score is 47, which is 37% below median its 10-year median of 75.00. 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 GF Score calculated?
GF Score is calculated from a company's financial statements. For Boule Diagnostics AB (OSTO:BOUL), the current GF Score is 47 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 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 kr3.80 is trading 46.8% below its estimated GF Value™ of kr7.14. GuruFocus considers Boule Diagnostics AB to be Possible Value Trap.

Key valuation signals for OSTO:BOUL:

  • GF Score: 47 (37% below median its 10-year median of 75.00)
  • GF Value™: kr7.14 vs. price of kr3.80 (46.8% below fair value)
  • GF Score™: 47/100 with 2 warning signs

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

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

kr3.80
Price
kr7.14
GF Value