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Tan De Tech CoROCO:6867 63 Days Inventory is 51.80 as of Dec. 2025, which is 8% below its 10-year median of 56.27. GuruFocus rates ROCO:6867 with a GF Score™ of 63/100 and a GF Value™ of NT$33.78 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 1,290 Vehicles & Parts companies, Tan De Tech Co ranks better than 75.27% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Tan De Tech Co's Average Total Inventories for the
six
months ended in Dec. 2025 was NT$42.1 Mil. Tan De Tech Co's Cost of Goods Sold for the
six
months ended in Dec. 2025 was NT$148.3 Mil.
Hence, Tan De Tech Co's Days Inventory for the
six
months ended in Dec. 2025 was 51.80.
The historical rank and industry rank for Tan De Tech Co's Days Inventory or its related term are showing as below:
ROCO:6867'
s Days Inventory Range Over the Past 10 Years
Min: 52.21 Med: 56.27 Max: 72.35
Current: 52.21
During the past 7 years, Tan De Tech Co's highest Days Inventory was 72.35. The lowest was 52.21. And the median was 56.27.
ROCO:6867's Days Inventory is ranked better than 75.27% of 1290
companies
in the Vehicles & Parts industry
Industry Median: 80.43
vs ROCO:6867: 52.21
Tan De Tech Co's Days Inventory
increased
from Dec. 2024 (50.34) to Dec. 2025 (51.80).
It might indicate that Tan De Tech Co's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Tan De Tech Co's Inventory Turnover for the
six
months ended in Dec. 2025 was 3.52.
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.
Tan De Tech Co's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.19.
Tan De Tech Co (ROCO:6867) 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.
Tan De Tech Co'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.
Tan De Tech Co'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.
Tan De Tech Co Days Inventory Related Terms
Tan De Tech Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Tan De Tech 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.
For the Auto Parts subindustry, Tan De Tech 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.
Tan De Tech Co Days Inventory vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Tan De Tech Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Tan De Tech Co'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.
Tan De Tech Co (ROCO:6867) has a Days Inventory of 51.80 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Tan De Tech Co and its competitors. This is near median its historical median of 56.27. Over the past decade, Tan De Tech Co's Days Inventory has ranged from 52.21 to 72.35. According to the industry distribution chart, Tan De Tech Co ranks #319 out of 1290 companies in the Vehicles & Parts industry, placing it in the top 24.7%.
Is Tan De Tech Co's Days Inventory too high?
Tan De Tech Co's current Days Inventory of 51.80 is near median its 10-year median of 56.27. Over the past 10 years, this metric has ranged from a low of 52.21 to a high of 72.35. The Vehicles & Parts industry median Days Inventory is 80.43. Tan De Tech Co's value of 51.80 is 35.6% below this industry median. Based on the distribution chart, Tan De Tech Co ranks #319 out of 1290 companies in the Vehicles & Parts industry, which is in the top quartile — a strong position relative to peers. Overall, Tan De Tech Co has a GF Score™ of 63/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Tan De Tech Co's Days Inventory compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Tan De Tech Co ranks #319 out of 1290 companies for Days Inventory. This places Tan De Tech Co in the top 25% of its industry — outperforming the majority of peers. The industry median Days Inventory is 80.43. Tan De Tech Co's value of 51.80 is 35.6% below this benchmark. Historically, Tan De Tech Co's own Days Inventory has ranged from 52.21 to 72.35 over the past decade. While the company's 10-year median is 56.27 vs. the industry median of 80.43, Tan De Tech 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 Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.43, based on 1,290 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. Tan De Tech Co's current Days Inventory of 51.80 is 35.6% 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 Tan De Tech Co and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tan De Tech Co's current Days Inventory is 51.80, which is near median its own 10-year median of 56.27. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tan De Tech Co stock overvalued right now?
Based on GuruFocus' analysis, Tan De Tech Co (ROCO:6867) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$33.78, compared to a current price of NT$30.00 — trading 11.2% below its estimated fair value. The current Days Inventory is 51.80, which is near median its 10-year median of 56.27 and 35.6% below the Vehicles & Parts industry median of 80.43. Tan De Tech Co's overall GF Score™ is 63/100 with 3 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 Tan De Tech Co (ROCO:6867), the current Days Inventory is 51.80 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 Tan De Tech Co (ROCO:6867) Overvalued in 2026?
Based on GuruFocus' analysis, Tan De Tech Co stock appears to be undervalued.
The current stock price of NT$30.00 is trading 11.2% below its estimated GF Value™ of NT$33.78.
GuruFocus considers Tan De Tech Co to be Modestly Undervalued.
Key valuation signals for ROCO:6867:
Days Inventory: 51.80 (near median its 10-year median of 56.27)
GF Value™: NT$33.78 vs. price of NT$30.00 (11.2% below fair value)
Industry Position: 35.6% below the Vehicles & Parts median (#319 of 1290)
No single metric tells the full story. See the ROCO:6867 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tan De Tech Co Ltd designs and manufactures vehicle parts. The company's principal businesses include electronic and automotive lighting component manufacturing, material wholesale, and product design. The company manufactures light guide plates, automotive lamps, and develops related molds for sales to panel manufacturers and automakers.
63GF Score
Get the complete analysis for ROCO:6867
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