OptiBiotix Health (STU:OB3) Tax Rate %: 1.71% (As of Dec. 2025)

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What is OptiBiotix Health Tax Rate %?

OptiBiotix Health STU:OB3 +0.78% Tax Rate % is 1.71% as of Dec. 2025. The stock has 4 warning signs investors should review.

Tax Rate % is calculated as Tax Expense divided by its Pre-Tax Income. OptiBiotix Health's Tax Expense for the six months ended in Dec. 2025 was €-0.05 Mil. OptiBiotix Health's Pre-Tax Income for the six months ended in Dec. 2025 was €-3.16 Mil. Therefore, OptiBiotix Health's Tax Rate % for the quarter that ended in Dec. 2025 was 1.71%.

OptiBiotix Health Tax Rate % Related Terms

OptiBiotix Health Tax Rate % Historical Data

* Premium members only.

The historical data trend for OptiBiotix Health's Tax Rate % 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.

OptiBiotix Health Tax Rate % Chart

OptiBiotix Health Annual Data
Trend Nov15 Nov16 Nov17 Nov18 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Tax Rate %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1.36 -5.99 0.21 3.28 1.35

OptiBiotix Health Semi-Annual Data
Nov15 May16 Nov16 May17 Nov17 May18 Nov18 May19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Tax Rate % 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 -2.28 0.27 -5.68 0.50 1.71

OptiBiotix Health Tax Rate % Calculation

Tax Rate % is the ratio of tax expense divided by pretax income, usually presented in percent.

OptiBiotix Health's Tax Rate % for the fiscal year that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (A: Dec. 2025 )/Pre-Tax Income (A: Dec. 2025 )
=-0.061/-4.508
=1.35 %

OptiBiotix Health's Tax Rate % for the quarter that ended in Dec. 2025 is calculated as

Tax Rate %=Tax Expense (Q: Dec. 2025 )/Pre-Tax Income (Q: Dec. 2025 )
=-0.054/-3.155
=1.71 %

* 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.

Frequently Asked Questions Learn more about Tax Rate % →
What does a Tax Rate % of 1.71% mean?
OptiBiotix Health (STU:OB3) has a Tax Rate % of 1.71% as of Dec. 2025.
Is OptiBiotix Health's Tax Rate % too high?
OptiBiotix Health's current Tax Rate % is 1.71%.
How does OptiBiotix Health's Tax Rate % compare to VRTX and REGN?
OptiBiotix Health's Tax Rate % of 1.71% can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Tax Rate % for a Biotechnology company?
A good Tax Rate % depends on the Biotechnology industry context. However, Tax Rate % 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 Tax Rate % mean?
A high Tax Rate % can signal that a stock is expensive relative to its fundamentals. OptiBiotix Health's current Tax Rate % is 1.71%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is OptiBiotix Health stock overvalued right now?
OptiBiotix Health (STU:OB3) has a current Tax Rate % of 1.71%. The stock's GF Value™ is €0.35, compared to a current price of €0.06 — trading 81.6% below its estimated fair value. The current Tax Rate % is 1.71%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Tax Rate % calculated?
Tax Rate % is calculated from a company's financial statements. For OptiBiotix Health (STU:OB3), the current Tax Rate % is 1.71% as of Dec. 2025. 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.

OptiBiotix Health Business Description

Other Exchanges OPTI:UK
Address Innovation Centre, Innovation Way, Heslington, York, GBR, YO10 5DG
OptiBiotix Health PLC principal activity is that of identifying and developing microbial strains, compounds, and formulations for use in food ingredients, supplements and active compounds that can impact on human physiology, deriving potential health benefits. It is a life sciences business focused on the development of products which reduce hunger and food cravings, enhance the gut microbiome, and provide a healthy substitute for sugar. Its product portfolio includes First-generation products- SlimBiome, WellBiome; and Second-generation solutions- SweetBiotix, Microbiome Modulators. The group has one class of business. It has presence in United Kingdom, United States, India China, and Rest of world. The company generates majority of revenue from United States.