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.
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.
Days Inventory indicates the number of days of goods in sales that a company has in the inventory.
Taiwan Advanced Nanotech's Days Inventory for the
six
months ended in Dec. 2025 was 261.62.
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.
Taiwan Advanced Nanotech's Inventory-to-Revenue for the quarter that ended in Dec. 2025 was 2.26.
Inventory Turnover measures how fast the company turns over its inventory within a year. A higher Inventory Turnover means the company has light inventory. Therefore the company spends less money on storage, write downs, and obsolete inventory. If the inventory is too light, it may affect sales because the company may not have enough to meet demand.
1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.
Taiwan Advanced Nanotech's Days Inventory 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.
Taiwan Advanced Nanotech's Inventory to Revenue for the quarter that 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
Usually retailers pile up their inventories at holiday seasons to meet the stronger demand. Therefore, the inventory of a particular quarter of a year should not be used to calculate Inventory Turnover. An average inventory is a better indication.
Taiwan Advanced Nanotech Inventory Turnover Related Terms
Taiwan Advanced Nanotech Inventory Turnover Historical Data
* 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.
* 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.
Taiwan Advanced Nanotech (ROCO:6797) has a Inventory Turnover of 0.70 as of Dec. 2025. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on Taiwan Advanced Nanotech and its competitors.
Is Taiwan Advanced Nanotech's Inventory Turnover too high?
Taiwan Advanced Nanotech's current Inventory Turnover is 0.70. Overall, Taiwan Advanced Nanotech has a GF Score™ of 60/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Taiwan Advanced Nanotech's Inventory Turnover compare to ABT and SYK?
Taiwan Advanced Nanotech's Inventory Turnover of 0.70 can be compared against companies in the Medical Devices & Instruments industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Inventory Turnover for a Medical Devices & Instruments company?
A good Inventory Turnover depends on the Medical Devices & Instruments industry context. However, Inventory Turnover 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 Inventory Turnover mean?
A high Inventory Turnover can signal that a stock is expensive relative to its fundamentals. Inventory turnover equals current-period cost of goods sold divided by average two-period total inventories. View historical data on Taiwan Advanced Nanotech and its competitors. Taiwan Advanced Nanotech's current Inventory Turnover is 0.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Taiwan Advanced Nanotech stock overvalued right now?
Based on GuruFocus' analysis, Taiwan Advanced Nanotech (ROCO:6797) is currently considered Fairly Valued. The stock's GF Value™ is NT$13.35, compared to a current price of NT$13.40 — trading 0.4% above its estimated fair value. The current Inventory Turnover is 0.70. Taiwan Advanced Nanotech's overall GF Score™ is 60/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Inventory Turnover calculated?
Inventory Turnover is calculated from a company's financial statements. For Taiwan Advanced Nanotech (ROCO:6797), the current Inventory Turnover is 0.70 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 Taiwan Advanced Nanotech (ROCO:6797) Overvalued in 2026?
Based on GuruFocus' analysis, Taiwan Advanced Nanotech stock appears to be overvalued.
The current stock price of NT$13.40 is trading 0.4% above its estimated GF Value™ of NT$13.35.
GuruFocus considers Taiwan Advanced Nanotech to be Fairly Valued.
Key valuation signals for ROCO:6797:
Inventory Turnover: 0.70
GF Value™: NT$13.35 vs. price of NT$13.40 (0.4% above fair value)
No single metric tells the full story. See the ROCO:6797 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Taiwan Advanced Nanotech Inc is engaged in development and manufacturing of various functional nanoparticles and automated nucleic acid extraction machines and trading related businesses. With expertise in automation, buffer optimization and modification of magnetic beads, it focuses on offering customer convenient and practical solutions to advance research, life science and molecular diagnostics. It offers various products to meet the requirements of customers. The company's products include Automated Extraction Instruments; Reagent Kit; Mag Nanoparticles; and Consumables.
60GF Score
Get the complete analysis for ROCO:6797
Inventory Turnover is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:6797 has been successfully added to your 
