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.
Invitro InternationalIVRO +1.33% Median PS Value is $0.04 as of Aug. 03, 2026, which is 98% below its 10-year median of 2.57. The stock has 1 warning sign investors should review. Among 88 Medical Diagnostics & Research companies, Invitro International ranks worse than 87.5% on this metric.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
The historical rank and industry rank for Invitro International's Median PS Value or its related term are showing as below:
IVRO'
s Price-to-Median-PS-Value Range Over the Past 10 Years
Min: 1.5 Med: 2.57 Max: 10
Current: 1.7
During the past 9 years, the highest Price to Median PS Value of Invitro International was 10.00. The lowest was 1.50. And the median was 2.57.
IVRO's Price-to-Median-PS-Value is ranked worse than 87.5% of 88
companies
in the Medical Diagnostics & Research industry
Industry Median: 0.89
vs IVRO: 1.70
Invitro International (OTCPK:IVRO) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
Invitro International's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
0.0679
/
0.04
=
1.70
* 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.
Invitro International Median PS Value Related Terms
Invitro International Median PS Value Historical Data
* Premium members only.
The historical data trend for Invitro International's Median PS Value 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.
IVRO vs IDTA, PRPH, NSTM: Median PS Value Comparison
For the Diagnostics & Research subindustry, Invitro International's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-Value 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.
Invitro International Price-to-Median-PS-Value vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Invitro International's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where Invitro International's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 1.1111.
Invitro International's Revenue per Share for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $0.036.
* 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.
Invitro International (IVRO) has a Median PS Value of $0.04 as of Aug. 03, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Invitro International and its competitors. This is 98% below median its historical median of 2.57. Over the past decade, Invitro International's Median PS Value has ranged from 1.50 to 10.00. According to the industry distribution chart, Invitro International ranks #77 out of 88 companies in the Medical Diagnostics & Research industry, placing it in the top 87.5%.
Is Invitro International's Median PS Value too high?
Invitro International's current Median PS Value of $0.04 is 98% below median its 10-year median of 2.57. Over the past 10 years, this metric has ranged from a low of 1.50 to a high of 10.00. The Medical Diagnostics & Research industry median Median PS Value is 0.89. Invitro International's value of $0.04 is 95.5% below this industry median. Based on the distribution chart, Invitro International ranks #77 out of 88 companies in the Medical Diagnostics & Research industry, which is in the bottom quartile relative to peers.
How does Invitro International's Median PS Value compare to IDTA and PRPH?
According to the Medical Diagnostics & Research industry distribution chart, Invitro International ranks #77 out of 88 companies for Median PS Value. This places Invitro International in the lower half of its industry. The industry median Median PS Value is 0.89. Invitro International's value of $0.04 is 95.5% below this benchmark. Historically, Invitro International's own Median PS Value has ranged from 1.50 to 10.00 over the past decade. While the company's 10-year median is 2.57 vs. the industry median of 0.89, Invitro International 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 Median PS Value for a Medical Diagnostics & Research company?
The median Median PS Value among Medical Diagnostics & Research companies is 0.89, based on 88 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Invitro International's current Median PS Value of $0.04 is 95.5% 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 Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Invitro International and its competitors. For the Medical Diagnostics & Research industry, the median Median PS Value is 0.89 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Invitro International's current Median PS Value is $0.04, which is 98% below median its own 10-year median of 2.57. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Invitro International stock overvalued right now?
Based on GuruFocus' analysis, Invitro International (IVRO) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.05, compared to a current price of $0.07 — trading 35.8% above its estimated fair value. The current Median PS Value is $0.04, which is 98% below median its 10-year median of 2.57 and 95.5% below the Medical Diagnostics & Research industry median of 0.89. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For Invitro International (IVRO), the current Median PS Value is $0.04 as of Aug. 03, 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.
Invitro International is a provider of non-animal testing methods. The company develops and commercializes test kits and laboratory services. Its testing technologies are designed to produce data regarding corrosivity, or ocular/dermal irritation, which correlate with animal and human test results. Its products and services include Irritection, Corrositex, and Lab Services. The company provides its products to various industries such as cosmetics, personal care, household products, textiles, pharmaceuticals, chemicals, and hazardous waste transportation. The majority of its revenue is generated from the United States and it also exports to other countries.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
IVRO has been successfully added to your 
