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TFBS BioscienceROCO:6939 +4.19%54 Days Inventory is 47.79 as of Jun. 2026, which is 139% above its 10-year median of 20.02. GuruFocus rates ROCO:6939 with a GF Score™ of 54/100 and a GF Value™ of NT$29.81 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 176 Medical Diagnostics & Research companies, TFBS Bioscience ranks better than 71.59% on this metric.
The historical rank and industry rank for TFBS Bioscience's Days Inventory or its related term are showing as below:
ROCO:6939'
s Days Inventory Range Over the Past 10 Years
Min: 14.18 Med: 20.02 Max: 35.27
Current: 35.27
During the past 6 years, TFBS Bioscience's highest Days Inventory was 35.27. The lowest was 14.18. And the median was 20.02.
ROCO:6939's Days Inventory is ranked better than 71.59% of 176
companies
in the Medical Diagnostics & Research industry
Industry Median: 70.025
vs ROCO:6939: 35.27
TFBS Bioscience's Days Inventory
increased
from Jun. 2025 (29.49) to Jun. 2026 (47.79).
It might indicate that TFBS Bioscience's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
TFBS Bioscience's Inventory Turnover for the
six
months ended in Jun. 2026 was 3.82.
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.
TFBS Bioscience's Inventory-to-Revenue for the
six
months ended in Jun. 2026 was 0.22.
TFBS Bioscience (ROCO:6939) 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.
TFBS Bioscience's Inventory Turnover for the
six
months ended in Jun. 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.
TFBS Bioscience's Inventory to Revenue for the
six
months ended in Jun. 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.
TFBS Bioscience Days Inventory Related Terms
TFBS Bioscience Days Inventory Historical Data
* Premium members only.
The historical data trend for TFBS Bioscience'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.
ROCO:6939 vs TMO, DHR, NTRA: Days Inventory Comparison
For the Diagnostics & Research subindustry, TFBS Bioscience'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.
TFBS Bioscience Days Inventory vs Medical Diagnostics & Research Industry
For the Medical Diagnostics & Research industry and Healthcare sector, TFBS Bioscience's Days Inventory distribution charts can be found below:
* The bar in red indicates where TFBS Bioscience'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.
TFBS Bioscience (ROCO:6939) has a Days Inventory of 47.79 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on TFBS Bioscience and its competitors. This is 139% above median its historical median of 20.02. Over the past decade, TFBS Bioscience's Days Inventory has ranged from 14.18 to 35.27. According to the industry distribution chart, TFBS Bioscience ranks #50 out of 176 companies in the Medical Diagnostics & Research industry, placing it in the top 28.4%.
Is TFBS Bioscience's Days Inventory too high?
TFBS Bioscience's current Days Inventory of 47.79 is 139% above median its 10-year median of 20.02. Over the past 10 years, this metric has ranged from a low of 14.18 to a high of 35.27. The Medical Diagnostics & Research industry median Days Inventory is 70.03. TFBS Bioscience's value of 47.79 is 31.8% below this industry median. Based on the distribution chart, TFBS Bioscience ranks #50 out of 176 companies in the Medical Diagnostics & Research industry, which is above the industry midpoint. Overall, TFBS Bioscience has a GF Score™ of 54/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does TFBS Bioscience's Days Inventory compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, TFBS Bioscience ranks #50 out of 176 companies for Days Inventory. This puts TFBS Bioscience in the upper half of its industry. The industry median Days Inventory is 70.03. TFBS Bioscience's value of 47.79 is 31.8% below this benchmark. Historically, TFBS Bioscience's own Days Inventory has ranged from 14.18 to 35.27 over the past decade. While the company's 10-year median is 20.02 vs. the industry median of 70.03, TFBS Bioscience 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 70.03, based on 176 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. TFBS Bioscience's current Days Inventory of 47.79 is 31.8% 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 TFBS Bioscience and its competitors. For the Medical Diagnostics & Research industry, the median Days Inventory is 70.03 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TFBS Bioscience's current Days Inventory is 47.79, which is 139% above median its own 10-year median of 20.02. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TFBS Bioscience stock overvalued right now?
Based on GuruFocus' analysis, TFBS Bioscience (ROCO:6939) is currently considered Possible Value Trap. The stock's GF Value™ is NT$29.81, compared to a current price of NT$19.90 — trading 33.2% below its estimated fair value. The current Days Inventory is 47.79, which is 139% above median its 10-year median of 20.02 and 31.8% below the Medical Diagnostics & Research industry median of 70.03. TFBS Bioscience's overall GF Score™ is 54/100 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 TFBS Bioscience (ROCO:6939), the current Days Inventory is 47.79 as of Jun. 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 TFBS Bioscience (ROCO:6939) Overvalued in 2026?
Based on GuruFocus' analysis, TFBS Bioscience stock appears to be undervalued.
The current stock price of NT$19.90 is trading 33.2% below its estimated GF Value™ of NT$29.81.
GuruFocus considers TFBS Bioscience to be Possible Value Trap.
Key valuation signals for ROCO:6939:
Days Inventory: 47.79 (139% above median its 10-year median of 20.02)
GF Value™: NT$29.81 vs. price of NT$19.90 (33.2% below fair value)
Industry Position: 31.8% below the Medical Diagnostics & Research median (#50 of 176)
No single metric tells the full story. See the ROCO:6939 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
TFBS Bioscience Inc is a Contract Research Organization (CRO) providing biological testing in Taiwan. Its services include viral vector manufacturing for cell and gene therapy products and biosafety testing and product release testing for cell and gene therapy products, vaccines, and biologic products.
54GF Score
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