Advanced Echem Materials Co (ROCO:4749) Change In Inventory: NT$-559 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:4749 Advanced Echem Materials Co Ltd ROCO:4749
74 GF Score
Price NT$787.00
GF Value NT$973.14
Valuation Modestly Undervalued
! 5 Warning Signs
View Full Analysis

What is Advanced Echem Materials Co Change In Inventory?

Advanced Echem Materials Co ROCO:4749 -1.50% 74 Change In Inventory is NT$-559 Mil as of Jun. 2026. GuruFocus rates ROCO:4749 with a GF Score™ of 74/100 and a GF Value™ of NT$973.14 (Modestly Undervalued). The stock has 5 warning signs investors should review.

Advanced Echem Materials Co's change in inventory for the quarter that ended in Jun. 2026 was NT$-214 Mil. It means Advanced Echem Materials Co's inventory increased by NT$214 Mil from Mar. 2026 to Jun. 2026 .

Advanced Echem Materials Co's change in inventory for the fiscal year that ended in Dec. 2025 was NT$-188 Mil. It means Advanced Echem Materials Co's inventory increased by NT$188 Mil from Dec. 2024 to Dec. 2025 .

Advanced Echem Materials Co's Total Inventories for the quarter that ended in Jun. 2026 was NT$1,178 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Advanced Echem Materials Co's Days Inventory for the quarter that ended in Jun. 2026 was 143.48.

Inventory Turnover measures how fast the company turns over its inventory within a year. Advanced Echem Materials Co's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.64.

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. Advanced Echem Materials Co's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 0.87.


Advanced Echem Materials Co  (ROCO:4749) Change In Inventory Explanation

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

Advanced Echem Materials Co's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=1075.1925/683.809*365 / 4
=143.48

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

Advanced Echem Materials Co's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

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.

Advanced Echem Materials Co's Inventory to Revenue for the quarter that ended in Jun. 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.


Advanced Echem Materials Co Change In Inventory Related Terms


Advanced Echem Materials Co Change In Inventory Historical Data

* Premium members only.

The historical data trend for Advanced Echem Materials Co'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.

Advanced Echem Materials Co Change In Inventory Chart

Advanced Echem Materials Co Annual Data
Trend Dec10 Dec11 Dec12 Dec13 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -87.73 -342.26 -160.91 -3.90 -187.83

Advanced Echem Materials Co Quarterly Data
Jun21 Sep21 Dec21 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 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 Premium Member Only 11.02 -197.54 -72.56 -74.87 -213.93
ROCO:4749
74GF Score
Advanced Echem Materials Co Ltd ROCO:4749
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Advanced Echem Materials Co 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 quarterly data reported by the company within the most recent 12 months, which was NT$-559 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$-559 Mil mean?
Advanced Echem Materials Co (ROCO:4749) has a Change In Inventory of NT$-559 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Advanced Echem Materials Co and its competitors.
Is Advanced Echem Materials Co's Change In Inventory too high?
Advanced Echem Materials Co's current Change In Inventory is NT$-559 Mil. Overall, Advanced Echem Materials Co has a GF Score™ of 74/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Advanced Echem Materials Co's Change In Inventory compare to APH and GLW?
Advanced Echem Materials Co's Change In Inventory of NT$-559 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 Advanced Echem Materials Co and its competitors. Advanced Echem Materials Co's current Change In Inventory is NT$-559 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advanced Echem Materials Co stock overvalued right now?
Based on GuruFocus' analysis, Advanced Echem Materials Co (ROCO:4749) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$973.14, compared to a current price of NT$787.00 — trading 19.1% below its estimated fair value. The current Change In Inventory is NT$-559 Mil. Advanced Echem Materials Co's overall GF Score™ is 74/100 with 5 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 Advanced Echem Materials Co (ROCO:4749), the current Change In Inventory is NT$-559 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 Advanced Echem Materials Co (ROCO:4749) Overvalued in 2026?

Based on GuruFocus' analysis, Advanced Echem Materials Co stock appears to be undervalued. The current stock price of NT$787.00 is trading 19.1% below its estimated GF Value™ of NT$973.14. GuruFocus considers Advanced Echem Materials Co to be Modestly Undervalued.

Key valuation signals for ROCO:4749:

  • Change In Inventory: NT$-559 Mil
  • GF Value™: NT$973.14 vs. price of NT$787.00 (19.1% below fair value)
  • GF Score™: 74/100 with 5 warning signs

No single metric tells the full story. See the ROCO:4749 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Advanced Echem Materials Co Business Description

Address No.455, Xinhe Road, Sanhe Village, Longtan District, Taoyuan, TWN, 325003
Advanced Echem Materials Co Ltd is engaged in developing and manufacturing special chemical materials for semiconductor and display applications. The company focuses on core technologies such as synthesis, purification of special raw materials, and innovation in formulation materials.
74GF Score

Get the complete analysis for ROCO:4749

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

NT$787.00
Price
NT$973.14
GF Value