Tci Gene (ROCO:6879) Days Inventory: 81.78 (As of Dec. 2025) — 13% Below Median

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ROCO:6879 Tci Gene Inc ROCO:6879
65 GF Score
Price NT$36.80
GF Value NT$48.95
Valuation Modestly Undervalued
! 7 Warning Signs
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What is Tci Gene Days Inventory?

Tci Gene ROCO:6879 +0.41% 65 Days Inventory is 81.78 as of Dec. 2025, which is 13% below its 10-year median of 94.43. GuruFocus rates ROCO:6879 with a GF Score™ of 65/100 and a GF Value™ of NT$48.95 (Modestly Undervalued). The stock has 7 warning signs investors should review. Among 638 Biotechnology companies, Tci Gene ranks better than 72.57% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Tci Gene's Average Total Inventories for the six months ended in Dec. 2025 was NT$24.6 Mil. Tci Gene's Cost of Goods Sold for the six months ended in Dec. 2025 was NT$55.0 Mil. Hence, Tci Gene's Days Inventory for the six months ended in Dec. 2025 was 81.78.

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

ROCO:6879' s Days Inventory Range Over the Past 10 Years
Min: 54.02   Med: 94.43   Max: 128.22
Current: 93.62

During the past 7 years, Tci Gene's highest Days Inventory was 128.22. The lowest was 54.02. And the median was 94.43.

ROCO:6879's Days Inventory is ranked better than
72.57% of 638 companies
in the Biotechnology industry
Industry Median: 183.195 vs ROCO:6879: 93.62

Tci Gene's Days Inventory declined from Dec. 2024 (127.60) to Dec. 2025 (81.78).

Inventory Turnover measures how fast the company turns over its inventory within a year. Tci Gene's Inventory Turnover for the six months ended in Dec. 2025 was 2.23.

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. Tci Gene's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.19.


Tci Gene  (ROCO:6879) 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.

Tci Gene'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.

Tci Gene'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.


Tci Gene Days Inventory Related Terms


Tci Gene Days Inventory Historical Data

* Premium members only.

The historical data trend for Tci Gene'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.

Tci Gene Days Inventory Chart

Tci Gene Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial 58.01 89.17 128.22 125.57 94.43

Tci Gene Semi-Annual Data
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 116.14 141.58 127.60 102.74 81.78

ROCO:6879 vs VRTX, REGN, ALNY: Days Inventory Comparison

For the Biotechnology subindustry, Tci Gene'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.


Tci Gene Days Inventory vs Biotechnology Industry

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

* The bar in red indicates where Tci Gene's Days Inventory falls into.


ROCO:6879
65GF Score
Tci Gene Inc ROCO:6879
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tci Gene Days Inventory Calculation

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

Tci Gene'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
=( (43.867 + 18.754) / 2 ) / 121.021*365
=31.3105 / 121.021*365
=94.43

Tci Gene'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
=( (30.506 + 18.754) / 2 ) / 54.965*365 / 2
=24.63 / 54.965*365 / 2
=81.78

* 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 81.78 mean?
Tci Gene (ROCO:6879) has a Days Inventory of 81.78 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Tci Gene and its competitors. This is 13% below median its historical median of 94.43. Over the past decade, Tci Gene's Days Inventory has ranged from 54.02 to 128.22. According to the industry distribution chart, Tci Gene ranks #175 out of 638 companies in the Biotechnology industry, placing it in the top 27.4%.
Is Tci Gene's Days Inventory too high?
Tci Gene's current Days Inventory of 81.78 is 13% below median its 10-year median of 94.43. Over the past 10 years, this metric has ranged from a low of 54.02 to a high of 128.22. The Biotechnology industry median Days Inventory is 183.20. Tci Gene's value of 81.78 is 55.4% below this industry median. Based on the distribution chart, Tci Gene ranks #175 out of 638 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Tci Gene has a GF Score™ of 65/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Tci Gene's Days Inventory compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Tci Gene ranks #175 out of 638 companies for Days Inventory. This puts Tci Gene in the upper half of its industry. The industry median Days Inventory is 183.20. Tci Gene's value of 81.78 is 55.4% below this benchmark. Historically, Tci Gene's own Days Inventory has ranged from 54.02 to 128.22 over the past decade. While the company's 10-year median is 94.43 vs. the industry median of 183.20, Tci Gene 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 Biotechnology company?
The median Days Inventory among Biotechnology companies is 183.20, 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. Tci Gene's current Days Inventory of 81.78 is 55.4% 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 Tci Gene and its competitors. For the Biotechnology industry, the median Days Inventory is 183.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tci Gene's current Days Inventory is 81.78, which is 13% below median its own 10-year median of 94.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tci Gene stock overvalued right now?
Based on GuruFocus' analysis, Tci Gene (ROCO:6879) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$48.95, compared to a current price of NT$36.80 — trading 24.8% below its estimated fair value. The current Days Inventory is 81.78, which is 13% below median its 10-year median of 94.43 and 55.4% below the Biotechnology industry median of 183.20. Tci Gene's overall GF Score™ is 65/100 with 7 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 Tci Gene (ROCO:6879), the current Days Inventory is 81.78 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 Tci Gene (ROCO:6879) Overvalued in 2026?

Based on GuruFocus' analysis, Tci Gene stock appears to be undervalued. The current stock price of NT$36.80 is trading 24.8% below its estimated GF Value™ of NT$48.95. GuruFocus considers Tci Gene to be Modestly Undervalued.

Key valuation signals for ROCO:6879:

  • Days Inventory: 81.78 (13% below median its 10-year median of 94.43)
  • GF Value™: NT$48.95 vs. price of NT$36.80 (24.8% below fair value)
  • GF Score™: 65/100 with 7 warning signs
  • Industry Position: 55.4% below the Biotechnology median (#175 of 638)

No single metric tells the full story. See the ROCO:6879 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tci Gene Business Description

Address No. 185-1, Gangqian Road, 10th FLoor, Neihu District, Taipei, TWN
Tci Gene Inc provides precision preventive medicines in Taiwan. It is the first to introduce the concept of precision preventive medicine with Predict prediction, Prevent prevention, and Personal Treatment personalized health management measures.
65GF Score

Get the complete analysis for ROCO:6879

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

NT$36.80
Price
NT$48.95
GF Value