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.
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.
OptiBiotix HealthLSE:OPTI -4.27% PS Ratio is 5.09 as of Jul. 18, 2026, which is 86% below its 10-year median of 36.43. The stock has 4 warning signs investors should review. Among 930 Biotechnology companies, OptiBiotix Health ranks better than 64.09% on this metric.
The PS Ratio, or Price-to-Sales ratio, or Price/Sales, is a financial ratio used to compare a company's market price to its Revenue per Share. As of today, OptiBiotix Health's share price is £0.056.
OptiBiotix Health's Revenue per Share for the trailing twelve months (TTM) ended in Dec. 2025 was £0.01. Hence, OptiBiotix Health's PS Ratio for today is 5.09.
The historical rank and industry rank for OptiBiotix Health's PS Ratio or its related term are showing as below:
LSE:OPTI'
s PS Ratio Range Over the Past 10 Years
Min: 4.25 Med: 36.43 Max: 600
Current: 5.09
During the past 13 years, OptiBiotix Health's highest PS Ratio was 600.00. The lowest was 4.25. And the median was 36.43.
LSE:OPTI's PS Ratio is ranked better than 64.09% of 930
companies
in the Biotechnology industry
Industry Median: 9.3
vs LSE:OPTI: 5.09
OptiBiotix Health PLC revenue per share has been in decline for the last 5 years.
During the past 12 months, the average Revenue per Share Growth Rate of OptiBiotix Health was 33.30% per year.
During the past 3 years, the average Revenue per Share Growth Rate was 33.90% per year.
During the past 5 years, the average Revenue per Share Growth Rate was -10.60% per year.
During the past 13 years, OptiBiotix Health's highest 3-Year average Revenue per Share Growth Rate was 125.70% per year. The lowest was -26.90% per year. And the median was 14.00% per year.
Back to Basics: PS Ratio
OptiBiotix Health (LSE:OPTI) PS Ratio Explanation
The PS Ratio is an excellent valuation indicator if you want to compare a stock with its historical valuation or with the stocks in the same industry. The PS Ratio works especially well when you want to compare the stock's current valuation with its historical valuation. The PS Ratio is a great valuation tool for evaluating cyclical businesses where the PE Ratio works poorly. It works the best when comparing the current valuation with the historical valuation because over time, a company's profit margin tends to revert to the mean.
When the PS Ratio is applied to the whole stock market, it can be used to evaluate the current market valuation and projected returns. In this case, the price is the total market cap of all stocks that are traded, and sales are the GDP of the country. This is how Warren Buffett estimates the broad market valuation and project future returns.
The PS Ratio does not tell you how cheap or expensive the stock is. It cannot be used to compare companies in different industries. It works better for companies within the same industry because these companies tend to have similar capital structures and profit margins. It works the best when comparing a company with itself in the past.
OptiBiotix Health PS Ratio Related Terms
OptiBiotix Health PS Ratio Historical Data
* Premium members only.
The historical data trend for OptiBiotix Health's PS 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 Biotechnology subindustry, OptiBiotix Health's PS Ratio, along with its competitors' market caps and PS 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.
OptiBiotix Health PS Ratio vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, OptiBiotix Health's PS Ratio distribution charts can be found below:
* The bar in red indicates where OptiBiotix Health's PS Ratio falls into.
The PS Ratio, or Price-to-Sales ratio, or Price/Sales, is a financial ratio used to compare a company's market price to its Revenue per Share. It is a ratio widely used to value stocks and it was first used by Ken Fisher.
OptiBiotix Health's Share Price of today is £0.056.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. OptiBiotix Health's Revenue per Share for the trailing twelve months (TTM) ended in Dec. 2025 was £0.01.
* 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:
OptiBiotix Health (LSE:OPTI) has a PS Ratio of 5.09 as of Jul. 18, 2026. Price-to-Sales ratio is the ratio of share price to a company's revenue per share. View historical data on OptiBiotix Health and its competitors. This is 86% below median its historical median of 36.43. Over the past decade, OptiBiotix Health's PS Ratio has ranged from 4.25 to 600.00. According to the industry distribution chart, OptiBiotix Health ranks #334 out of 930 companies in the Biotechnology industry, placing it in the top 35.9%.
Is OptiBiotix Health's PS Ratio too high?
OptiBiotix Health's current PS Ratio of 5.09 is 86% below median its 10-year median of 36.43. Over the past 10 years, this metric has ranged from a low of 4.25 to a high of 600.00. The Biotechnology industry median PS Ratio is 9.30. OptiBiotix Health's value of 5.09 is 45.3% below this industry median. Based on the distribution chart, OptiBiotix Health ranks #334 out of 930 companies in the Biotechnology industry, which is above the industry midpoint.
How does OptiBiotix Health's PS Ratio compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, OptiBiotix Health ranks #334 out of 930 companies for PS Ratio. This puts OptiBiotix Health in the upper half of its industry. The industry median PS Ratio is 9.30. OptiBiotix Health's value of 5.09 is 45.3% below this benchmark. Historically, OptiBiotix Health's own PS Ratio has ranged from 4.25 to 600.00 over the past decade. While the company's 10-year median is 36.43 vs. the industry median of 9.30, OptiBiotix Health 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 PS Ratio for a Biotechnology company?
The median PS Ratio among Biotechnology companies is 9.30, based on 930 companies in the industry. Companies in the top quartile (top 25%) have a PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. OptiBiotix Health's current PS Ratio of 5.09 is 45.3% 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 PS Ratio mean?
A high PS Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Sales ratio is the ratio of share price to a company's revenue per share. View historical data on OptiBiotix Health and its competitors. For the Biotechnology industry, the median PS Ratio is 9.30 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. OptiBiotix Health's current PS Ratio is 5.09, which is 86% below median its own 10-year median of 36.43. 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?
Based on GuruFocus' analysis, OptiBiotix Health (LSE:OPTI) is currently considered Possible Value Trap. The stock's GF Value™ is £0.30, compared to a current price of £0.06 — trading 81.3% below its estimated fair value. The current PS Ratio is 5.09, which is 86% below median its 10-year median of 36.43 and 45.3% below the Biotechnology industry median of 9.30. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PS Ratio calculated?
PS Ratio is calculated from a company's financial statements. For OptiBiotix Health (LSE:OPTI), the current PS Ratio is 5.09 as of Jul. 18, 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.
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.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
LSE:OPTI has been successfully added to your 
