G-Tech Optoelectronics (TPE:3149) Days Inventory: 13.14 (As of Dec. 2025) — 50% Below Median

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TPE:3149 G-Tech Optoelectronics Corp TPE:3149
51 GF Score
Price NT$87.30
GF Value NT$21.98
Valuation Significantly Overvalued
! 6 Warning Signs
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What is G-Tech Optoelectronics Days Inventory?

G-Tech Optoelectronics TPE:3149 -5.42% 51 Days Inventory is 13.14 as of Dec. 2025, which is 50% below its 10-year median of 26.47. GuruFocus rates TPE:3149 with a GF Score™ of 51/100 and a GF Value™ of NT$21.98 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,419 Hardware companies, G-Tech Optoelectronics ranks better than 95.91% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). G-Tech Optoelectronics's Average Total Inventories for the three months ended in Dec. 2025 was NT$106 Mil. G-Tech Optoelectronics's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$735 Mil. Hence, G-Tech Optoelectronics's Days Inventory for the three months ended in Dec. 2025 was 13.14.

The historical rank and industry rank for G-Tech Optoelectronics's Days Inventory or its related term are showing as below:

TPE:3149' s Days Inventory Range Over the Past 10 Years
Min: 18.83   Med: 26.47   Max: 34.55
Current: 18.83

During the past 13 years, G-Tech Optoelectronics's highest Days Inventory was 34.55. The lowest was 18.83. And the median was 26.47.

TPE:3149's Days Inventory is ranked better than
95.91% of 2419 companies
in the Hardware industry
Industry Median: 94.24 vs TPE:3149: 18.83

G-Tech Optoelectronics's Days Inventory declined from Dec. 2024 (24.69) to Dec. 2025 (13.14).

Inventory Turnover measures how fast the company turns over its inventory within a year. G-Tech Optoelectronics's Inventory Turnover for the three months ended in Dec. 2025 was 6.95.

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 three months ended in Dec. 2025 was 0.16.


G-Tech Optoelectronics  (TPE:3149) 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.

G-Tech Optoelectronics'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.

G-Tech Optoelectronics'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.


G-Tech Optoelectronics Days Inventory Related Terms


G-Tech Optoelectronics Days Inventory Historical Data

* Premium members only.

The historical data trend for G-Tech Optoelectronics'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.

G-Tech Optoelectronics Days Inventory Chart

G-Tech Optoelectronics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 26.08 28.52 34.55 27.88 19.92

G-Tech Optoelectronics Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Days Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 24.69 26.44 19.68 16.91 13.14

TPE:3149 vs APH, GLW: Days Inventory Comparison

For the Electronic Components subindustry, G-Tech Optoelectronics'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.


G-Tech Optoelectronics Days Inventory vs Hardware Industry

For the Hardware industry and Technology sector, G-Tech Optoelectronics's Days Inventory distribution charts can be found below:

* The bar in red indicates where G-Tech Optoelectronics's Days Inventory falls into.


TPE:3149
51GF Score
G-Tech Optoelectronics Corp TPE:3149
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

G-Tech Optoelectronics Days Inventory Calculation

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 fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (173.919 + 101.484) / 2 ) / 2523.139*365
=137.7015 / 2523.139*365
=19.92

G-Tech Optoelectronics's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (110.204 + 101.484) / 2 ) / 735.092*365 / 4
=105.844 / 735.092*365 / 4
=13.14

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 13.14 mean?
G-Tech Optoelectronics (TPE:3149) has a Days Inventory of 13.14 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on G-Tech Optoelectronics and its competitors. This is 50% below median its historical median of 26.47. Over the past decade, G-Tech Optoelectronics' Days Inventory has ranged from 18.83 to 34.55. According to the industry distribution chart, G-Tech Optoelectronics ranks #99 out of 2419 companies in the Hardware industry, placing it in the top 4.1%.
Is G-Tech Optoelectronics' Days Inventory too high?
G-Tech Optoelectronics' current Days Inventory of 13.14 is 50% below median its 10-year median of 26.47. Over the past 10 years, this metric has ranged from a low of 18.83 to a high of 34.55. The Hardware industry median Days Inventory is 94.24. G-Tech Optoelectronics' value of 13.14 is 86.1% below this industry median. Based on the distribution chart, G-Tech Optoelectronics ranks #99 out of 2419 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, G-Tech Optoelectronics has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does G-Tech Optoelectronics' Days Inventory compare to APH and GLW?
According to the Hardware industry distribution chart, G-Tech Optoelectronics ranks #99 out of 2419 companies for Days Inventory. This places G-Tech Optoelectronics in the top 4% of its industry — outperforming the majority of peers. The industry median Days Inventory is 94.24. G-Tech Optoelectronics' value of 13.14 is 86.1% below this benchmark. Historically, G-Tech Optoelectronics' own Days Inventory has ranged from 18.83 to 34.55 over the past decade. While the company's 10-year median is 26.47 vs. the industry median of 94.24, G-Tech Optoelectronics 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 Hardware company?
The median Days Inventory among Hardware companies is 94.24, based on 2,419 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. G-Tech Optoelectronics's current Days Inventory of 13.14 is 86.1% 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 G-Tech Optoelectronics and its competitors. For the Hardware industry, the median Days Inventory is 94.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. G-Tech Optoelectronics's current Days Inventory is 13.14, which is 50% below median its own 10-year median of 26.47. 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$21.98, compared to a current price of NT$87.30 — trading 297.2% above its estimated fair value. The current Days Inventory is 13.14, which is 50% below median its 10-year median of 26.47 and 86.1% below the Hardware industry median of 94.24. G-Tech Optoelectronics' overall GF Score™ is 51/100 with 6 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 G-Tech Optoelectronics (TPE:3149), the current Days Inventory is 13.14 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 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$87.30 is trading 297.2% above its estimated GF Value™ of NT$21.98. GuruFocus considers G-Tech Optoelectronics to be Significantly Overvalued.

Key valuation signals for TPE:3149:

  • Days Inventory: 13.14 (50% below median its 10-year median of 26.47)
  • GF Value™: NT$21.98 vs. price of NT$87.30 (297.2% above fair value)
  • GF Score™: 51/100 with 6 warning signs
  • Industry Position: 86.1% below the Hardware median (#99 of 2419)

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 Business Description

Address No. 99, Zhongxing Road, Tongluo Township, Miaoli, TWN, 36647
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.
51GF Score

Get the complete analysis for TPE:3149

Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$87.30
Price
NT$21.98
GF Value