Episil Technologies (ROCO:3707) Change In Inventory: NT$256 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:3707 Episil Technologies Inc ROCO:3707
62 GF Score
Price NT$62.00
GF Value NT$49.15
Valuation Modestly Overvalued
! 3 Warning Signs
View Full Analysis

What is Episil Technologies Change In Inventory?

Episil Technologies ROCO:3707 +2.48% 62 Change In Inventory is NT$256 Mil as of Jun. 2026. GuruFocus rates ROCO:3707 with a GF Score™ of 62/100 and a GF Value™ of NT$49.15 (Modestly Overvalued). The stock has 3 warning signs investors should review.

Episil Technologies's change in inventory for the quarter that ended in Jun. 2026 was NT$-33 Mil. It means Episil Technologies's inventory increased by NT$33 Mil from Mar. 2026 to Jun. 2026 .

Episil Technologies's change in inventory for the fiscal year that ended in Dec. 2025 was NT$275 Mil. It means Episil Technologies's inventory declined by NT$275 Mil from Dec. 2024 to Dec. 2025 .

Episil Technologies's Total Inventories for the quarter that ended in Jun. 2026 was NT$899 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Episil Technologies's Days Inventory for the quarter that ended in Jun. 2026 was 50.57.

Inventory Turnover measures how fast the company turns over its inventory within a year. Episil Technologies's Inventory Turnover for the quarter that ended in Jun. 2026 was 1.80.

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. Episil Technologies's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 0.49.

Episil Technologies  (ROCO:3707) Change In Inventory Explanation

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

Episil Technologies's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=882.4115/1592.316*365 / 4
=50.57

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

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

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=1592.316 / 882.4115
=1.80

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.

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

Inventory-to-Revenue=Average Total Inventories / Revenue
=882.4115 / 1795.098
=0.49

* 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.

Episil Technologies Change In Inventory Related Terms

Episil Technologies Change In Inventory Historical Data

* Premium members only.

The historical data trend for Episil Technologies'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.

Episil Technologies Change In Inventory Chart

Episil Technologies 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 -173.97 -384.61 246.24 359.92 274.97

Episil Technologies Quarterly Data
Sep21 Dec21 Mar22 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 39.25 57.54 138.47 92.63 -32.79
ROCO:3707
62GF Score
Episil Technologies Inc ROCO:3707
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Episil Technologies 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$256 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$256 Mil mean?
Episil Technologies (ROCO:3707) has a Change In Inventory of NT$256 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Episil Technologies and its competitors.
Is Episil Technologies' Change In Inventory too high?
Episil Technologies' current Change In Inventory is NT$256 Mil. Overall, Episil Technologies has a GF Score™ of 62/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Episil Technologies' Change In Inventory compare to NVDA and AVGO?
Episil Technologies' Change In Inventory of NT$256 Mil can be compared against companies in the Semiconductors 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 Semiconductors company?
A good Change In Inventory depends on the Semiconductors 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 Episil Technologies and its competitors. Episil Technologies's current Change In Inventory is NT$256 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Episil Technologies stock overvalued right now?
Based on GuruFocus' analysis, Episil Technologies (ROCO:3707) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$49.15, compared to a current price of NT$62.00 — trading 26.1% above its estimated fair value. The current Change In Inventory is NT$256 Mil. Episil Technologies' overall GF Score™ is 62/100 with 3 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 Episil Technologies (ROCO:3707), the current Change In Inventory is NT$256 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 Episil Technologies (ROCO:3707) Overvalued in 2026?

Based on GuruFocus' analysis, Episil Technologies stock appears to be overvalued. The current stock price of NT$62.00 is trading 26.1% above its estimated GF Value™ of NT$49.15. GuruFocus considers Episil Technologies to be Modestly Overvalued.

Key valuation signals for ROCO:3707:

  • Change In Inventory: NT$256 Mil
  • GF Value™: NT$49.15 vs. price of NT$62.00 (26.1% above fair value)
  • GF Score™: 62/100 with 3 warning signs

No single metric tells the full story. See the ROCO:3707 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Episil Technologies Business Description

Address No.18,Innovation Road 1, Science Based Industrial Park, Hsinchu, TWN, 30076
Episil Technologies Inc is engaged in general investment, research, development, manufacture and sales of epitaxial and silicon chips, mixed-signal integrated circuit and linear integrated circuit and research and development of 6" SiC G3/G4 Platform Development; SiC Schottky Diode 3300V process; SiC MOSFET 3300V manufacturing process; and GaN power semiconductor components combined with IC process manufacturing process technology for providing 6-inch silicon wafer foundry service. It operates in one reportable operating segment. Geographically, it operates in Taiwan, Japan, China, the USA, and others, with the majority of revenue deriving from Taiwan.
62GF Score

Get the complete analysis for ROCO:3707

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

NT$62.00
Price
NT$49.15
GF Value