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.
Pharma-Bio ServPBSV -27.16%43 Days Inventory is 0.00 as of Apr. 2026. GuruFocus rates PBSV with a GF Score™ of 43/100 and a GF Value™ of $0.58 (Modestly Undervalued). The stock has 1 warning sign investors should review. Among 494 Healthcare Providers & Services companies, Pharma-Bio Serv ranks worse than 202428.95% on this metric.
The historical rank and industry rank for Pharma-Bio Serv's Days Inventory or its related term are showing as below:
PBSV's Days Inventory is not ranked *
in the Healthcare Providers & Services industry.
Industry Median: 29.56 * Ranked among companies with meaningful Days Inventory only.
Pharma-Bio Serv's Days Inventory
stayed the same
from Apr. 2025 (0.00) to Apr. 2026 (0.00).
Inventory Turnover measures how fast the company turns over its inventory within a year.
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.
Pharma-Bio Serv's Inventory-to-Revenue for the
three
months ended in Apr. 2026 was 0.00.
Pharma-Bio Serv (OTCPK:PBSV) 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.
Pharma-Bio Serv's Inventory Turnover for the
three
months ended in Apr. 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.
Pharma-Bio Serv's Inventory to Revenue for the
three
months ended in Apr. 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.
Pharma-Bio Serv Days Inventory Related Terms
Pharma-Bio Serv Days Inventory Historical Data
* Premium members only.
The historical data trend for Pharma-Bio Serv'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.
PBSV vs MGRX, BFRG, VYND: Days Inventory Comparison
For the Health Information Services subindustry, Pharma-Bio Serv'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.
Pharma-Bio Serv Days Inventory vs Healthcare Providers & Services Industry
For the Healthcare Providers & Services industry and Healthcare sector, Pharma-Bio Serv's Days Inventory distribution charts can be found below:
* The bar in red indicates where Pharma-Bio Serv'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.
Pharma-Bio Serv (PBSV) has a Days Inventory of 0.00 as of Apr. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Pharma-Bio Serv and its competitors. According to the industry distribution chart, Pharma-Bio Serv ranks #999999 out of 494 companies in the Healthcare Providers & Services industry.
Is Pharma-Bio Serv's Days Inventory too high?
Pharma-Bio Serv's current Days Inventory is 0.00. Based on the distribution chart, Pharma-Bio Serv ranks #999999 out of 494 companies in the Healthcare Providers & Services industry, which is in the bottom quartile relative to peers. Overall, Pharma-Bio Serv has a GF Score™ of 43/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Pharma-Bio Serv's Days Inventory compare to MGRX and BFRG?
According to the Healthcare Providers & Services industry distribution chart, Pharma-Bio Serv ranks #999999 out of 494 companies for Days Inventory. This places Pharma-Bio Serv in the lower half of its industry. The industry median Days Inventory is 29.56. 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 Healthcare Providers & Services company?
The median Days Inventory among Healthcare Providers & Services companies is 29.56, based on 494 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. 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 Pharma-Bio Serv and its competitors. For the Healthcare Providers & Services industry, the median Days Inventory is 29.56 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Pharma-Bio Serv's current Days Inventory is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Pharma-Bio Serv stock overvalued right now?
Based on GuruFocus' analysis, Pharma-Bio Serv (PBSV) is currently considered Modestly Undervalued. The stock's GF Value™ is $0.58, compared to a current price of $0.42 — trading 27.2% below its estimated fair value. The current Days Inventory is 0.00. Pharma-Bio Serv's overall GF Score™ is 43/100 with 1 warning sign to review. 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 Pharma-Bio Serv (PBSV), the current Days Inventory is 0.00 as of Apr. 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 Pharma-Bio Serv (PBSV) Overvalued in 2026?
Based on GuruFocus' analysis, Pharma-Bio Serv stock appears to be undervalued.
The current stock price of $0.42 is trading 27.2% below its estimated GF Value™ of $0.58.
GuruFocus considers Pharma-Bio Serv to be Modestly Undervalued.
Key valuation signals for PBSV:
Days Inventory: 0.00
GF Value™: $0.58 vs. price of $0.42 (27.2% below fair value)
No single metric tells the full story. See the PBSV stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Pharma-Bio Serv Inc is a compliance and technology transfer services consulting firm. It also provides microbiological testing services and chemical testing services through its laboratory testing facility in Puerto Rico. It has three reportable segments: Puerto Rico technical compliance consulting which is the key revenue driver; United States technical compliance consulting; and Europe technical compliance consulting. The company offers solutions to the pharmaceutical, chemical, biotechnology, medical devices, cosmetic and food industries, and allied products companies. It generates maximum revenue from Puerto Rico and also has its presence in United States, Europe and Other countries.
43GF Score
Get the complete analysis for PBSV
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
PBSV has been successfully added to your 
