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.
G-Tech Optoelectronics's change in inventory for the quarter that ended in Mar. 2026 was NT$-13 Mil. It means G-Tech Optoelectronics's inventory
increased by NT$13 Mil
from Dec. 2025 to Mar. 2026 .
G-Tech Optoelectronics's change in inventory for the fiscal year that ended in Dec. 2025 was NT$77 Mil. It means G-Tech Optoelectronics's inventory
declined by NT$77 Mil
from Dec. 2024 to Dec. 2025 .
Days Inventory indicates the number of days of goods in sales that a company has in the inventory.
G-Tech Optoelectronics's Days Inventory for the quarter that ended in Mar. 2026 was 16.07.
Inventory Turnover measures how fast the company turns over its inventory within a year.
G-Tech Optoelectronics's Inventory Turnover for the quarter that ended in Mar. 2026 was 5.68.
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.
G-Tech Optoelectronics's Inventory-to-Revenue for the quarter that ended in Mar. 2026 was 0.18.
3. 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.
G-Tech Optoelectronics's Inventory to Revenue for the quarter that ended in Mar. 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.
G-Tech Optoelectronics Change In Inventory Related Terms
G-Tech Optoelectronics Change In Inventory Historical Data
* Premium members only.
The historical data trend for G-Tech Optoelectronics's Change In 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.
G-Tech Optoelectronics Change In Inventory Calculation
Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.
Change In Inventory for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$34 Mil.
* 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.
What does a Change In Inventory of NT$34 Mil mean?
G-Tech Optoelectronics (TPE:3149) has a Change In Inventory of NT$34 Mil as of Mar. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for G-Tech Optoelectronics and its competitors.
Is G-Tech Optoelectronics' Change In Inventory too high?
G-Tech Optoelectronics' current Change In Inventory is NT$34 Mil. Overall, G-Tech Optoelectronics has a GF Score™ of 50/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does G-Tech Optoelectronics' Change In Inventory compare to APH and GLW?
G-Tech Optoelectronics' Change In Inventory of NT$34 Mil can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Hardware company?
A good Change In Inventory depends on the Hardware industry context. However, Change In Inventory 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 Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for G-Tech Optoelectronics and its competitors. G-Tech Optoelectronics's current Change In Inventory is NT$34 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is G-Tech Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, G-Tech Optoelectronics (TPE:3149) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$23.10, compared to a current price of NT$62.80 — trading 171.9% above its estimated fair value. The current Change In Inventory is NT$34 Mil. G-Tech Optoelectronics' overall GF Score™ is 50/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For G-Tech Optoelectronics (TPE:3149), the current Change In Inventory is NT$34 Mil as of Mar. 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 G-Tech Optoelectronics (TPE:3149) Overvalued in 2026?
Based on GuruFocus' analysis, G-Tech Optoelectronics stock appears to be overvalued.
The current stock price of NT$62.80 is trading 171.9% above its estimated GF Value™ of NT$23.10.
GuruFocus considers G-Tech Optoelectronics to be Significantly Overvalued.
Key valuation signals for TPE:3149:
Change In Inventory: NT$34 Mil
GF Value™: NT$23.10 vs. price of NT$62.80 (171.9% above fair value)
No single metric tells the full story. See the TPE:3149 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
G-Tech Optoelectronics Corp operates in an optoelectronic glass processing market. The company manufactures and markets optical glass products and electronic components. The segments of the company are Smart optoelectronics, that is revenue-generating segment; Smart buildings, and Smart cars. The Smart optoelectronics is in charge of designing, manufacturing, and selling general consumer electronics vehicle glass as well as protective touch control glass for industrial control computers.
50GF Score
Get the complete analysis for TPE:3149
Change In 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
TPE:3149 has been successfully added to your 
