Fulltech Fiber GlassROCO:1815 61 Days Inventory is 153.56 as of Dec. 2025, which is 45% above its 10-year median of 105.97. GuruFocus rates ROCO:1815 with a GF Score™ of 61/100 and a GF Value™ of NT$35.96 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 2,420 Hardware companies, Fulltech Fiber Glass ranks worse than 74.21% on this metric.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Fulltech Fiber Glass's Inventory Turnover for the
three
months ended in Dec. 2025 was 0.59.
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.
Fulltech Fiber Glass's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 1.19.
Fulltech Fiber Glass (ROCO:1815) 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.
Fulltech Fiber Glass's Inventory Turnover for the
three
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.
Fulltech Fiber Glass's Inventory to Revenue for the
three
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.
Fulltech Fiber Glass Days Inventory Related Terms
Fulltech Fiber Glass Days Inventory Historical Data
* Premium members only.
The historical data trend for Fulltech Fiber Glass'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 Electronic Components subindustry, Fulltech Fiber Glass'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.
Fulltech Fiber Glass Days Inventory vs Hardware Industry
For the Hardware industry and Technology sector, Fulltech Fiber Glass's Days Inventory distribution charts can be found below:
* The bar in red indicates where Fulltech Fiber Glass'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.
Fulltech Fiber Glass (ROCO:1815) has a Days Inventory of 153.56 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Fulltech Fiber Glass and its competitors. This is 45% above median its historical median of 105.97. Over the past decade, Fulltech Fiber Glass' Days Inventory has ranged from 60.98 to 155.83. According to the industry distribution chart, Fulltech Fiber Glass ranks #1796 out of 2420 companies in the Hardware industry, placing it in the top 74.2%.
Is Fulltech Fiber Glass' Days Inventory too high?
Fulltech Fiber Glass' current Days Inventory of 153.56 is 45% above median its 10-year median of 105.97. Over the past 10 years, this metric has ranged from a low of 60.98 to a high of 155.83. The Hardware industry median Days Inventory is 94.27. Fulltech Fiber Glass' value of 153.56 is 62.9% above this industry median. Based on the distribution chart, Fulltech Fiber Glass ranks #1796 out of 2420 companies in the Hardware industry, which is below the industry midpoint. Overall, Fulltech Fiber Glass has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fulltech Fiber Glass' Days Inventory compare to APH and GLW?
According to the Hardware industry distribution chart, Fulltech Fiber Glass ranks #1796 out of 2420 companies for Days Inventory. This places Fulltech Fiber Glass in the lower half of its industry. The industry median Days Inventory is 94.27. Fulltech Fiber Glass' value of 153.56 is 62.9% above this benchmark. Historically, Fulltech Fiber Glass' own Days Inventory has ranged from 60.98 to 155.83 over the past decade. While the company's 10-year median is 105.97 vs. the industry median of 94.27, Fulltech Fiber Glass has consistently been above 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 Hardware company?
The median Days Inventory among Hardware companies is 94.27, based on 2,420 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. Fulltech Fiber Glass's current Days Inventory of 153.56 is 62.9% above 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 Fulltech Fiber Glass and its competitors. For the Hardware industry, the median Days Inventory is 94.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fulltech Fiber Glass's current Days Inventory is 153.56, which is 45% above median its own 10-year median of 105.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fulltech Fiber Glass stock overvalued right now?
Based on GuruFocus' analysis, Fulltech Fiber Glass (ROCO:1815) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$35.96, compared to a current price of NT$95.00 — trading 164.2% above its estimated fair value. The current Days Inventory is 153.56, which is 45% above median its 10-year median of 105.97 and 62.9% above the Hardware industry median of 94.27. Fulltech Fiber Glass' overall GF Score™ is 61/100 with 1 warning sign 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 Fulltech Fiber Glass (ROCO:1815), the current Days Inventory is 153.56 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 Fulltech Fiber Glass (ROCO:1815) Overvalued in 2026?
Based on GuruFocus' analysis, Fulltech Fiber Glass stock appears to be overvalued.
The current stock price of NT$95.00 is trading 164.2% above its estimated GF Value™ of NT$35.96.
GuruFocus considers Fulltech Fiber Glass to be Significantly Overvalued.
Key valuation signals for ROCO:1815:
Days Inventory: 153.56 (45% above median its 10-year median of 105.97)
GF Value™: NT$35.96 vs. price of NT$95.00 (164.2% above fair value)
Industry Position: 62.9% above the Hardware median (#1796 of 2420)
No single metric tells the full story. See the ROCO:1815 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Fulltech Fiber Glass Corp is engaged in producing and selling fiberglass yarn and fiberglass fabric, which are the main upstream materials for Printed Circuit Boards. The reportable segments of the company are the Fiberglass Yarn and the Fiberglass Fabric segment. Geographically, the company generates a majority of its revenue from Taiwan and the rest from China.
61GF Score
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