PTIX (Protagenic Therapeutics) Days Inventory: 0.00 (As of Dec. 2025)

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PTIX Protagenic Therapeutics Inc PTIX
22 GF Score
Price $0.18
! 2 Warning Signs
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What is Protagenic Therapeutics Days Inventory?

Protagenic Therapeutics PTIX +8.02% 22 Days Inventory is 0.00 as of Dec. 2025. GuruFocus rates PTIX with a GF Score™ of 22/100. The stock has 2 warning signs investors should review. Among 638 Biotechnology companies, Protagenic Therapeutics ranks worse than 156739.66% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Protagenic Therapeutics's Average Total Inventories for the three months ended in Dec. 2025 was $0.00 Mil. Protagenic Therapeutics's Cost of Goods Sold for the three months ended in Dec. 2025 was $0.00 Mil.

The historical rank and industry rank for Protagenic Therapeutics's Days Inventory or its related term are showing as below:

PTIX's Days Inventory is not ranked *
in the Biotechnology industry.
Industry Median: 182.6
* Ranked among companies with meaningful Days Inventory only.

Protagenic Therapeutics's Days Inventory stayed the same from Dec. 2024 (0.00) to Dec. 2025 (0.00).

Inventory Turnover measures how fast the company turns over its inventory within a year. Protagenic Therapeutics's Inventory Turnover for the three months ended in Dec. 2025 was 0.00.

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.


Protagenic Therapeutics  (OTCPK:PTIX) 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.

Protagenic Therapeutics's Inventory Turnover for the three months ended in Dec. 2025 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.

Protagenic Therapeutics's Inventory to Revenue for the three months ended in Dec. 2025 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.


Protagenic Therapeutics Days Inventory Related Terms


Protagenic Therapeutics Days Inventory Historical Data

* Premium members only.

The historical data trend for Protagenic Therapeutics'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.

Protagenic Therapeutics Days Inventory Chart

Protagenic Therapeutics Annual Data
Trend Jun15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Protagenic Therapeutics Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Days Inventory 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 0.00 0.00 0.00 0.00 0.00

PTIX vs CERO, CYTOF, CARM: Days Inventory Comparison

For the Biotechnology subindustry, Protagenic Therapeutics'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.


Protagenic Therapeutics Days Inventory vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Protagenic Therapeutics's Days Inventory distribution charts can be found below:

* The bar in red indicates where Protagenic Therapeutics's Days Inventory falls into.


PTIX
22GF Score
Protagenic Therapeutics Inc PTIX
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Protagenic Therapeutics Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Protagenic Therapeutics's Days Inventory for the fiscal year that ended in Dec. 2024 is calculated as

Days Inventory (A: Dec. 2024 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2023 ) + Total Inventories (A: Dec. 2024 )) / count ) / Cost of Goods Sold (A: Dec. 2024 )*Days in Period
=( (0 + 0) / 1 ) / 0*365
=0 / 0*365
=N/A

Protagenic Therapeutics's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (0.001 + 0.001) / 2 ) / 0*365 / 4
=0.001 / 0*365 / 4
=N/A

* 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 Days Inventory →
What does a Days Inventory of 0.00 mean?
Protagenic Therapeutics (PTIX) has a Days Inventory of 0.00 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Protagenic Therapeutics and its competitors. According to the industry distribution chart, Protagenic Therapeutics ranks #999999 out of 638 companies in the Biotechnology industry.
Is Protagenic Therapeutics' Days Inventory too high?
Protagenic Therapeutics' current Days Inventory is 0.00. Based on the distribution chart, Protagenic Therapeutics ranks #999999 out of 638 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Protagenic Therapeutics has a GF Score™ of 22/100, reflecting its overall financial health beyond just this single metric.
How does Protagenic Therapeutics' Days Inventory compare to CERO and CYTOF?
According to the Biotechnology industry distribution chart, Protagenic Therapeutics ranks #999999 out of 638 companies for Days Inventory. This places Protagenic Therapeutics in the lower half of its industry. The industry median Days Inventory is 182.60. 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 Biotechnology company?
The median Days Inventory among Biotechnology companies is 182.60, based on 638 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 Protagenic Therapeutics and its competitors. For the Biotechnology industry, the median Days Inventory is 182.60 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Protagenic Therapeutics'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 Protagenic Therapeutics stock overvalued right now?
Protagenic Therapeutics (PTIX) has a current Days Inventory of 0.00. The current Days Inventory is 0.00. Protagenic Therapeutics' overall GF Score™ is 22/100 with 2 warning signs 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 Protagenic Therapeutics (PTIX), the current Days Inventory is 0.00 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.

Protagenic Therapeutics Business Description

Address 149 Fifth Avenue, Suite 500, New York, NY, USA, 10010
Protagenic Therapeutics Inc is a biopharmaceutical company focused on the discovery and development of therapeutics to treat stress-related neuropsychiatric and mood disorders. It provides treatments for mood, anxiety, depression, and neurodegenerative disorders by using peptide-based and brain-active therapeutics. The company's main compound, PT00114, is a synthetic form of Teneurin Carboxy-terminal Associated Peptide, an endogenous brain signaling peptide that can dampen overactive stress responses. It has also created a portfolio of novel neuropeptides that are in various stages of development and preclinical evaluation for the treatment of mood disorders.
22GF Score

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