PMSNF (Proteome Sciences) Days Inventory: 40.98 (As of Dec. 2025) — 71% Below Median


What is Proteome Sciences Days Inventory?

Proteome Sciences PMSNF Days Inventory is 40.98 as of Dec. 2025, which is 71% below its 10-year median of 141.60. The stock has 6 warning signs investors should review. Among 177 Medical Diagnostics & Research companies, Proteome Sciences ranks better than 56.5% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Proteome Sciences's Average Total Inventories for the six months ended in Dec. 2025 was $0.69 Mil. Proteome Sciences's Cost of Goods Sold for the six months ended in Dec. 2025 was $3.08 Mil. Hence, Proteome Sciences's Days Inventory for the six months ended in Dec. 2025 was 40.98.

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

PMSNF' s Days Inventory Range Over the Past 10 Years
Min: 55.81   Med: 141.6   Max: 323.71
Current: 55.81

During the past 13 years, Proteome Sciences's highest Days Inventory was 323.71. The lowest was 55.81. And the median was 141.60.

PMSNF's Days Inventory is ranked better than
56.5% of 177 companies
in the Medical Diagnostics & Research industry
Industry Median: 70.8 vs PMSNF: 55.81

Proteome Sciences's Days Inventory declined from Dec. 2024 (62.44) to Dec. 2025 (40.98).

Inventory Turnover measures how fast the company turns over its inventory within a year. Proteome Sciences's Inventory Turnover for the six months ended in Dec. 2025 was 4.45.

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. Proteome Sciences's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.27.


Proteome Sciences  (OTCPK:PMSNF) 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.

Proteome Sciences's Inventory Turnover for the six 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.

Proteome Sciences's Inventory to Revenue for the six 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.


Proteome Sciences Days Inventory Related Terms


Proteome Sciences Days Inventory Historical Data

* Premium members only.

The historical data trend for Proteome Sciences'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.

Proteome Sciences Days Inventory Chart

Proteome Sciences Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 166.24 126.51 91.93 67.92 58.42

Proteome Sciences Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 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 82.25 72.75 62.44 69.80 40.98

PMSNF vs TMO, DHR, IDXX: Days Inventory Comparison

For the Diagnostics & Research subindustry, Proteome Sciences'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.


Proteome Sciences Days Inventory vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, Proteome Sciences's Days Inventory distribution charts can be found below:

* The bar in red indicates where Proteome Sciences's Days Inventory falls into.



Proteome Sciences Days Inventory Calculation

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

Proteome Sciences's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (0.925 + 0.719) / 2 ) / 5.136*365
=0.822 / 5.136*365
=58.42

Proteome Sciences'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: Jun. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (0.666 + 0.719) / 2 ) / 3.084*365 / 2
=0.6925 / 3.084*365 / 2
=40.98

* 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 40.98 mean?
Proteome Sciences (PMSNF) has a Days Inventory of 40.98 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Proteome Sciences and its competitors. This is 71% below median its historical median of 141.60. Over the past decade, Proteome Sciences' Days Inventory has ranged from 55.81 to 323.71. According to the industry distribution chart, Proteome Sciences ranks #77 out of 177 companies in the Medical Diagnostics & Research industry, placing it in the top 43.5%.
Is Proteome Sciences' Days Inventory too high?
Proteome Sciences' current Days Inventory of 40.98 is 71% below median its 10-year median of 141.60. Over the past 10 years, this metric has ranged from a low of 55.81 to a high of 323.71. The Medical Diagnostics & Research industry median Days Inventory is 70.80. Proteome Sciences' value of 40.98 is 42.1% below this industry median. Based on the distribution chart, Proteome Sciences ranks #77 out of 177 companies in the Medical Diagnostics & Research industry, which is above the industry midpoint.
How does Proteome Sciences' Days Inventory compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, Proteome Sciences ranks #77 out of 177 companies for Days Inventory. This puts Proteome Sciences in the upper half of its industry. The industry median Days Inventory is 70.80. Proteome Sciences' value of 40.98 is 42.1% below this benchmark. Historically, Proteome Sciences' own Days Inventory has ranged from 55.81 to 323.71 over the past decade. While the company's 10-year median is 141.60 vs. the industry median of 70.80, Proteome Sciences 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 Days Inventory for a Medical Diagnostics & Research company?
The median Days Inventory among Medical Diagnostics & Research companies is 70.80, based on 177 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. Proteome Sciences's current Days Inventory of 40.98 is 42.1% 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 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 Proteome Sciences and its competitors. For the Medical Diagnostics & Research industry, the median Days Inventory is 70.80 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Proteome Sciences's current Days Inventory is 40.98, which is 71% below median its own 10-year median of 141.60. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Proteome Sciences stock overvalued right now?
Proteome Sciences (PMSNF) has a current Days Inventory of 40.98. The stock's GF Value™ is $0.03, compared to a current price of $0.02 — trading 17.5% below its estimated fair value. The current Days Inventory is 40.98, which is 71% below median its 10-year median of 141.60 and 42.1% below the Medical Diagnostics & Research industry median of 70.80. 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 Proteome Sciences (PMSNF), the current Days Inventory is 40.98 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.

Proteome Sciences Business Description

Other Exchanges PRMl:UKPRM:UKPI2:Germany
Address Downside Bridge Road, Coveham House, Cobham, Surrey, GBR, KT11 3EP
Proteome Sciences PLC is engaged in protein biomarker research and development. The company is a provider of contract research services for the identification, validation and application of protein biomarkers. The company's only reportable segment is the sale of goods and biomarker services. The company generates maximum revenue from the TMT product and end customer sales-based royalties. Geographically, it has a presence in the United States, the United Kingdom, the European Union, and Others.