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.
Long Time Technology CoROCO:6555 -2.50%60 Days Inventory is 73.48 as of Dec. 2025, which is 59% below its 10-year median of 177.07. GuruFocus rates ROCO:6555 with a GF Score™ of 60/100 and a GF Value™ of NT$59.07 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 1,541 Chemicals companies, Long Time Technology Co ranks worse than 51.2% on this metric.
The historical rank and industry rank for Long Time Technology Co's Days Inventory or its related term are showing as below:
ROCO:6555'
s Days Inventory Range Over the Past 10 Years
Min: 79.77 Med: 177.07 Max: 248.07
Current: 81.75
During the past 13 years, Long Time Technology Co's highest Days Inventory was 248.07. The lowest was 79.77. And the median was 177.07.
ROCO:6555's Days Inventory is ranked worse than 51.2% of 1541
companies
in the Chemicals industry
Industry Median: 80.15
vs ROCO:6555: 81.75
Long Time Technology Co's Days Inventory
declined
from Dec. 2024 (228.17) to Dec. 2025 (73.48).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Long Time Technology Co's Inventory Turnover for the
six
months ended in Dec. 2025 was 2.48.
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.
Long Time Technology Co's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.39.
Long Time Technology Co (ROCO:6555) 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.
Long Time Technology 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.
Long Time Technology 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.
Long Time Technology Co Days Inventory Related Terms
Long Time Technology Co Days Inventory 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.
ROCO:6555 vs LIN, SHW, ECL: Days Inventory Comparison
For the Specialty Chemicals subindustry, Long Time Technology 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.
Long Time Technology Co Days Inventory vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Long Time Technology Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Long Time Technology 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.
Long Time Technology Co (ROCO:6555) has a Days Inventory of 73.48 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Long Time Technology Co and its competitors. This is 59% below median its historical median of 177.07. Over the past decade, Long Time Technology Co's Days Inventory has ranged from 79.77 to 248.07. According to the industry distribution chart, Long Time Technology Co ranks #789 out of 1541 companies in the Chemicals industry, placing it in the top 51.2%.
Is Long Time Technology Co's Days Inventory too high?
Long Time Technology Co's current Days Inventory of 73.48 is 59% below median its 10-year median of 177.07. Over the past 10 years, this metric has ranged from a low of 79.77 to a high of 248.07. The Chemicals industry median Days Inventory is 80.15. Long Time Technology Co's value of 73.48 is 8.3% below this industry median. Based on the distribution chart, Long Time Technology Co ranks #789 out of 1541 companies in the Chemicals industry, which is below the industry midpoint. Overall, Long Time Technology Co has a GF Score™ of 60/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Long Time Technology Co's Days Inventory compare to LIN and SHW?
According to the Chemicals industry distribution chart, Long Time Technology Co ranks #789 out of 1541 companies for Days Inventory. This places Long Time Technology Co in the lower half of its industry. The industry median Days Inventory is 80.15. Long Time Technology Co's value of 73.48 is 8.3% below this benchmark. Historically, Long Time Technology Co's own Days Inventory has ranged from 79.77 to 248.07 over the past decade. While the company's 10-year median is 177.07 vs. the industry median of 80.15, Long Time Technology 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 Chemicals company?
The median Days Inventory among Chemicals companies is 80.15, based on 1,541 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. Long Time Technology Co's current Days Inventory of 73.48 is 8.3% 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 Long Time Technology Co and its competitors. For the Chemicals industry, the median Days Inventory is 80.15 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Long Time Technology Co's current Days Inventory is 73.48, which is 59% below median its own 10-year median of 177.07. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Long Time Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Long Time Technology Co (ROCO:6555) is currently considered Possible Value Trap. The stock's GF Value™ is NT$59.07, compared to a current price of NT$15.60 — trading 73.6% below its estimated fair value. The current Days Inventory is 73.48, which is 59% below median its 10-year median of 177.07 and 8.3% below the Chemicals industry median of 80.15. Long Time Technology Co's overall GF Score™ is 60/100 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 Long Time Technology Co (ROCO:6555), the current Days Inventory is 73.48 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 Long Time Technology Co (ROCO:6555) Overvalued in 2026?
Based on GuruFocus' analysis, Long Time Technology Co stock appears to be undervalued.
The current stock price of NT$15.60 is trading 73.6% below its estimated GF Value™ of NT$59.07.
GuruFocus considers Long Time Technology Co to be Possible Value Trap.
Key valuation signals for ROCO:6555:
Days Inventory: 73.48 (59% below median its 10-year median of 177.07)
GF Value™: NT$59.07 vs. price of NT$15.60 (73.6% below fair value)
Industry Position: 8.3% below the Chemicals median (#789 of 1541)
No single metric tells the full story. See the ROCO:6555 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Long Time Technology Co Ltd is involved in the development and manufacturing of anode materials of lithium-ion battery. The company's products include natural graphite, artificial graphite, MCMB, and composite graphite.
60GF Score
Get the complete analysis for ROCO:6555
Days Inventory 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:6555 has been successfully added to your 
