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% Days Inventory is 423.49 as of Mar. 2026, which is 16% above its 10-year median of 365.00. The stock has 1 warning sign investors should review. Among 178 Medical Diagnostics & Research companies, Invitro International ranks worse than 97.19% on this metric.
The historical rank and industry rank for Invitro International's Days Inventory or its related term are showing as below:
IVRO'
s Days Inventory Range Over the Past 10 Years
Min: 152.08 Med: 365 Max: 674.56
Current: 448.34
During the past 9 years, Invitro International's highest Days Inventory was 674.56. The lowest was 152.08. And the median was 365.00.
IVRO's Days Inventory is ranked worse than 97.19% of 178
companies
in the Medical Diagnostics & Research industry
Industry Median: 66.965
vs IVRO: 448.34
Inventory Turnover measures how fast the company turns over its inventory within a year.
Invitro International's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.22.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Invitro International's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.87.
Invitro International (OTCPK:IVRO) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Invitro International's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Invitro International's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Invitro International Days Inventory Related Terms
Invitro International Days Inventory Historical Data
* Premium members only.
The historical data trend for Invitro International's Days Inventory 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: Days Inventory Comparison
For the Diagnostics & Research subindustry, Invitro International's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, Invitro International's Days Inventory distribution charts can be found below:
* The bar in red indicates where Invitro International's Days Inventory falls into.
* 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 Days Inventory of 423.49 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Invitro International and its competitors. This is 16% above median its historical median of 365.00. Over the past decade, Invitro International's Days Inventory has ranged from 152.08 to 674.56. According to the industry distribution chart, Invitro International ranks #173 out of 178 companies in the Medical Diagnostics & Research industry, placing it in the top 97.2%.
Is Invitro International's Days Inventory too high?
Invitro International's current Days Inventory of 423.49 is 16% above median its 10-year median of 365.00. Over the past 10 years, this metric has ranged from a low of 152.08 to a high of 674.56. The Medical Diagnostics & Research industry median Days Inventory is 66.97. Invitro International's value of 423.49 is 532.4% above this industry median. Based on the distribution chart, Invitro International ranks #173 out of 178 companies in the Medical Diagnostics & Research industry, which is in the bottom quartile relative to peers.
How does Invitro International's Days Inventory compare to IDTA and PRPH?
According to the Medical Diagnostics & Research industry distribution chart, Invitro International ranks #173 out of 178 companies for Days Inventory. This places Invitro International in the lower half of its industry. The industry median Days Inventory is 66.97. Invitro International's value of 423.49 is 532.4% above this benchmark. Historically, Invitro International's own Days Inventory has ranged from 152.08 to 674.56 over the past decade. While the company's 10-year median is 365.00 vs. the industry median of 66.97, Invitro International has consistently been above 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 Days Inventory for a Medical Diagnostics & Research company?
The median Days Inventory among Medical Diagnostics & Research companies is 66.97, based on 178 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Invitro International's current Days Inventory of 423.49 is 532.4% above 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Invitro International and its competitors. For the Medical Diagnostics & Research industry, the median Days Inventory is 66.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Invitro International's current Days Inventory is 423.49, which is 16% above median its own 10-year median of 365.00. 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 Days Inventory is 423.49, which is 16% above median its 10-year median of 365.00 and 532.4% above the Medical Diagnostics & Research industry median of 66.97. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Invitro International (IVRO), the current Days Inventory is 423.49 as of Mar. 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 
