Luminescence Technology (ROCO:6729) Change In Inventory: NT$-1.2 Mil (TTM As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

ROCO:6729 Luminescence Technology Corp ROCO:6729
78 GF Score
Price NT$46.00
GF Value NT$21.55
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Luminescence Technology Change In Inventory?

Luminescence Technology ROCO:6729 +6.98% 78 Change In Inventory is NT$-1.2 Mil as of Jun. 2026. GuruFocus rates ROCO:6729 with a GF Score™ of 78/100 and a GF Value™ of NT$21.55 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Luminescence Technology's change in inventory for the quarter that ended in Jun. 2026 was NT$-2.3 Mil. It means Luminescence Technology's inventory increased by NT$2.3 Mil from Dec. 2025 to Jun. 2026 .

Luminescence Technology's change in inventory for the fiscal year that ended in Dec. 2025 was NT$0.9 Mil. It means Luminescence Technology's inventory declined by NT$0.9 Mil from Dec. 2024 to Dec. 2025 .

Luminescence Technology's Total Inventories for the quarter that ended in Jun. 2026 was NT$67.9 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Luminescence Technology's Days Inventory for the quarter that ended in Jun. 2026 was 677.71.

Inventory Turnover measures how fast the company turns over its inventory within a year. Luminescence Technology's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.27.

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. Luminescence Technology's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.36.

Luminescence Technology  (ROCO:6729) Change In Inventory Explanation

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Luminescence Technology's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=66.7535/17.976*365 / 2
=677.71

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Luminescence Technology's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=17.976 / 66.7535
=0.27

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.

Luminescence Technology's Inventory to Revenue for the quarter that ended in Jun. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=66.7535 / 49.248
=1.36

* 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.

Luminescence Technology Change In Inventory Related Terms

Luminescence Technology Change In Inventory Historical Data

* Premium members only.

The historical data trend for Luminescence Technology'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.

Luminescence Technology Change In Inventory Chart

Luminescence Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -4.93 -9.72 -4.85 -0.46 0.89

Luminescence Technology Semi-Annual Data
Dec16 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25 Jun26
Change In 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 -1.18 0.72 -0.20 1.10 -2.30
ROCO:6729
78GF Score
Luminescence Technology Corp ROCO:6729
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Luminescence Technology 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 Jun. 2026 adds up the semi-annually data reported by the company within the most recent 12 months, which was NT$-1.2 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.

Frequently Asked Questions Learn more about Change In Inventory →
What does a Change In Inventory of NT$-1.2 Mil mean?
Luminescence Technology (ROCO:6729) has a Change In Inventory of NT$-1.2 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Luminescence Technology and its competitors.
Is Luminescence Technology's Change In Inventory too high?
Luminescence Technology's current Change In Inventory is NT$-1.2 Mil. Overall, Luminescence Technology has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Luminescence Technology's Change In Inventory compare to DOW?
Luminescence Technology's Change In Inventory of NT$-1.2 Mil can be compared against companies in the Chemicals 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 Chemicals company?
A good Change In Inventory depends on the Chemicals 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 Luminescence Technology and its competitors. Luminescence Technology's current Change In Inventory is NT$-1.2 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Luminescence Technology stock overvalued right now?
Based on GuruFocus' analysis, Luminescence Technology (ROCO:6729) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$21.55, compared to a current price of NT$46.00 — trading 113.5% above its estimated fair value. The current Change In Inventory is NT$-1.2 Mil. Luminescence Technology's overall GF Score™ is 78/100 with 4 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 Luminescence Technology (ROCO:6729), the current Change In Inventory is NT$-1.2 Mil as of Jun. 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 Luminescence Technology (ROCO:6729) Overvalued in 2026?

Based on GuruFocus' analysis, Luminescence Technology stock appears to be overvalued. The current stock price of NT$46.00 is trading 113.5% above its estimated GF Value™ of NT$21.55. GuruFocus considers Luminescence Technology to be Significantly Overvalued.

Key valuation signals for ROCO:6729:

  • Change In Inventory: NT$-1.2 Mil
  • GF Value™: NT$21.55 vs. price of NT$46.00 (113.5% above fair value)
  • GF Score™: 78/100 with 4 warning signs

No single metric tells the full story. See the ROCO:6729 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Luminescence Technology Business Description

Address No. 17, Randhan 2nd Road, 2nd Floor, New Taipei City, TWN, 22175
Luminescence Technology Corp is a Taiwan based chemical manufacturing company. The firm's product range consists of OLED material, OPV material, OTFT material, Organic intermediates, Boronic Acid, ITO patterned glass and components among others.
78GF Score

Get the complete analysis for ROCO:6729

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

NT$46.00
Price
NT$21.55
GF Value