GeneFerm Biotechnology Co (ROCO:1796) Days Inventory: 139.68 (As of Dec. 2025) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

ROCO:1796 GeneFerm Biotechnology Co Ltd ROCO:1796
65 GF Score
Price NT$31.75
GF Value NT$59.04
Valuation Significantly Undervalued
! 6 Warning Signs
View Full Analysis

What is GeneFerm Biotechnology Co Days Inventory?

GeneFerm Biotechnology Co ROCO:1796 +1.11% 65 Days Inventory is 139.68 as of Dec. 2025, which is 3% above its 10-year median of 135.90. GuruFocus rates ROCO:1796 with a GF Score™ of 65/100 and a GF Value™ of NT$59.04 (Significantly Undervalued). The stock has 6 warning signs investors should review. Among 921 Drug Manufacturers companies, GeneFerm Biotechnology Co ranks better than 65.04% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). GeneFerm Biotechnology Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$184.9 Mil. GeneFerm Biotechnology Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$120.8 Mil. Hence, GeneFerm Biotechnology Co's Days Inventory for the three months ended in Dec. 2025 was 139.68.

The historical rank and industry rank for GeneFerm Biotechnology Co's Days Inventory or its related term are showing as below:

ROCO:1796' s Days Inventory Range Over the Past 10 Years
Min: 107.19   Med: 135.9   Max: 179.02
Current: 129.85

During the past 13 years, GeneFerm Biotechnology Co's highest Days Inventory was 179.02. The lowest was 107.19. And the median was 135.90.

ROCO:1796's Days Inventory is ranked better than
65.04% of 921 companies
in the Drug Manufacturers industry
Industry Median: 164.48 vs ROCO:1796: 129.85

GeneFerm Biotechnology Co's Days Inventory increased from Dec. 2024 (123.91) to Dec. 2025 (139.68). It might indicate that GeneFerm Biotechnology Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. GeneFerm Biotechnology Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.65.

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. GeneFerm Biotechnology Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 1.04.


GeneFerm Biotechnology Co  (ROCO:1796) 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.

GeneFerm Biotechnology Co'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.

GeneFerm Biotechnology Co'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.


GeneFerm Biotechnology Co Days Inventory Related Terms


GeneFerm Biotechnology Co Days Inventory Historical Data

* Premium members only.

The historical data trend for GeneFerm Biotechnology Co'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.

GeneFerm Biotechnology Co Days Inventory Chart

GeneFerm Biotechnology Co 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 124.19 114.09 107.19 138.16 133.64

GeneFerm Biotechnology Co 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 123.91 119.43 125.35 131.37 139.68

ROCO:1796 vs ZTS, UTHR: Days Inventory Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, GeneFerm Biotechnology Co'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.


GeneFerm Biotechnology Co Days Inventory vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, GeneFerm Biotechnology Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where GeneFerm Biotechnology Co's Days Inventory falls into.


ROCO:1796
65GF Score
GeneFerm Biotechnology Co Ltd ROCO:1796
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

GeneFerm Biotechnology Co Days Inventory Calculation

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

GeneFerm Biotechnology Co'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
=( (165.865 + 190.23) / 2 ) / 486.302*365
=178.0475 / 486.302*365
=133.64

GeneFerm Biotechnology Co'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
=( (179.553 + 190.23) / 2 ) / 120.79*365 / 4
=184.8915 / 120.79*365 / 4
=139.68

* 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 139.68 mean?
GeneFerm Biotechnology Co (ROCO:1796) has a Days Inventory of 139.68 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on GeneFerm Biotechnology Co and its competitors. This is near median its historical median of 135.90. Over the past decade, GeneFerm Biotechnology Co's Days Inventory has ranged from 107.19 to 179.02. According to the industry distribution chart, GeneFerm Biotechnology Co ranks #322 out of 921 companies in the Drug Manufacturers industry, placing it in the top 35%.
Is GeneFerm Biotechnology Co's Days Inventory too high?
GeneFerm Biotechnology Co's current Days Inventory of 139.68 is near median its 10-year median of 135.90. Over the past 10 years, this metric has ranged from a low of 107.19 to a high of 179.02. The Drug Manufacturers industry median Days Inventory is 164.48. GeneFerm Biotechnology Co's value of 139.68 is 15.1% below this industry median. Based on the distribution chart, GeneFerm Biotechnology Co ranks #322 out of 921 companies in the Drug Manufacturers industry, which is above the industry midpoint. Overall, GeneFerm Biotechnology Co has a GF Score™ of 65/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does GeneFerm Biotechnology Co's Days Inventory compare to ZTS and UTHR?
According to the Drug Manufacturers industry distribution chart, GeneFerm Biotechnology Co ranks #322 out of 921 companies for Days Inventory. This puts GeneFerm Biotechnology Co in the upper half of its industry. The industry median Days Inventory is 164.48. GeneFerm Biotechnology Co's value of 139.68 is 15.1% below this benchmark. Historically, GeneFerm Biotechnology Co's own Days Inventory has ranged from 107.19 to 179.02 over the past decade. While the company's 10-year median is 135.90 vs. the industry median of 164.48, GeneFerm Biotechnology Co 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 Drug Manufacturers company?
The median Days Inventory among Drug Manufacturers companies is 164.48, based on 921 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. GeneFerm Biotechnology Co's current Days Inventory of 139.68 is 15.1% 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 GeneFerm Biotechnology Co and its competitors. For the Drug Manufacturers industry, the median Days Inventory is 164.48 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. GeneFerm Biotechnology Co's current Days Inventory is 139.68, which is near median its own 10-year median of 135.90. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is GeneFerm Biotechnology Co stock overvalued right now?
Based on GuruFocus' analysis, GeneFerm Biotechnology Co (ROCO:1796) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$59.04, compared to a current price of NT$31.75 — trading 46.2% below its estimated fair value. The current Days Inventory is 139.68, which is near median its 10-year median of 135.90 and 15.1% below the Drug Manufacturers industry median of 164.48. GeneFerm Biotechnology Co's overall GF Score™ is 65/100 with 6 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 GeneFerm Biotechnology Co (ROCO:1796), the current Days Inventory is 139.68 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.

Is GeneFerm Biotechnology Co (ROCO:1796) Overvalued in 2026?

Based on GuruFocus' analysis, GeneFerm Biotechnology Co stock appears to be undervalued. The current stock price of NT$31.75 is trading 46.2% below its estimated GF Value™ of NT$59.04. GuruFocus considers GeneFerm Biotechnology Co to be Significantly Undervalued.

Key valuation signals for ROCO:1796:

  • Days Inventory: 139.68 (near median its 10-year median of 135.90)
  • GF Value™: NT$59.04 vs. price of NT$31.75 (46.2% below fair value)
  • GF Score™: 65/100 with 6 warning signs
  • Industry Position: 15.1% below the Drug Manufacturers median (#322 of 921)

No single metric tells the full story. See the ROCO:1796 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


GeneFerm Biotechnology Co Business Description

Address No. 33, Xingong Road, Xinying District, Tainan, TWN, 74144
GeneFerm Biotechnology Co Ltd is a fermentation company based in Taiwan. It is engaged in manufacturing health food and supplements which include Fermented Microbial products, Fermented Fungi products, Probiotics and Extraction, and Concentration products among others.
65GF Score

Get the complete analysis for ROCO:1796

Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$31.75
Price
NT$59.04
GF Value