Ching Chan Optical Technology Co (ROCO:2070) Days Inventory: 195.33 (As of Dec. 2025) — 32% Below Median

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ROCO:2070 Ching Chan Optical Technology Co Ltd ROCO:2070
77 GF Score
Price NT$52.30
GF Value NT$42.23
Valuation Modestly Overvalued
! 1 Warning Sign
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What is Ching Chan Optical Technology Co Days Inventory?

Ching Chan Optical Technology Co ROCO:2070 -0.95% 77 Days Inventory is 195.33 as of Dec. 2025, which is 32% below its 10-year median of 287.72. GuruFocus rates ROCO:2070 with a GF Score™ of 77/100 and a GF Value™ of NT$42.23 (Modestly Overvalued). The stock has 1 warning sign investors should review. Among 2,968 Industrial Products companies, Ching Chan Optical Technology Co ranks worse than 84.94% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Ching Chan Optical Technology Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$249.9 Mil. Ching Chan Optical Technology Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$116.8 Mil. Hence, Ching Chan Optical Technology Co's Days Inventory for the three months ended in Dec. 2025 was 195.33.

The historical rank and industry rank for Ching Chan Optical Technology Co's Days Inventory or its related term are showing as below:

ROCO:2070' s Days Inventory Range Over the Past 10 Years
Min: 244.29   Med: 287.72   Max: 394.86
Current: 255.07

During the past 13 years, Ching Chan Optical Technology Co's highest Days Inventory was 394.86. The lowest was 244.29. And the median was 287.72.

ROCO:2070's Days Inventory is ranked worse than
84.94% of 2968 companies
in the Industrial Products industry
Industry Median: 119.51 vs ROCO:2070: 255.07

Ching Chan Optical Technology Co's Days Inventory declined from Dec. 2024 (298.12) to Dec. 2025 (195.33).

Inventory Turnover measures how fast the company turns over its inventory within a year. Ching Chan Optical Technology Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.47.

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. Ching Chan Optical Technology Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 1.17.


Ching Chan Optical Technology Co  (ROCO:2070) 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.

Ching Chan Optical Technology Co'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.

Ching Chan Optical Technology Co'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.


Ching Chan Optical Technology Co Days Inventory Related Terms


Ching Chan Optical Technology Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Ching Chan Optical Technology Co'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.

Ching Chan Optical Technology Co Days Inventory Chart

Ching Chan Optical Technology Co 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 306.97 244.29 268.46 266.89 249.31

Ching Chan Optical Technology Co 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 298.12 318.96 303.49 241.85 195.33

ROCO:2070 vs GEV, ETN, PH: Days Inventory Comparison

For the Specialty Industrial Machinery subindustry, Ching Chan Optical Technology Co'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.


Ching Chan Optical Technology Co Days Inventory vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Ching Chan Optical Technology Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Ching Chan Optical Technology Co's Days Inventory falls into.


ROCO:2070
77GF Score
Ching Chan Optical Technology Co Ltd ROCO:2070
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ching Chan Optical Technology Co Days Inventory Calculation

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

Ching Chan Optical Technology Co'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
=( (264.299 + 243.959) / 2 ) / 372.056*365
=254.129 / 372.056*365
=249.31

Ching Chan Optical Technology Co'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
=( (255.887 + 243.959) / 2 ) / 116.751*365 / 4
=249.923 / 116.751*365 / 4
=195.33

* 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 195.33 mean?
Ching Chan Optical Technology Co (ROCO:2070) has a Days Inventory of 195.33 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Ching Chan Optical Technology Co and its competitors. This is 32% below median its historical median of 287.72. Over the past decade, Ching Chan Optical Technology Co's Days Inventory has ranged from 244.29 to 394.86. According to the industry distribution chart, Ching Chan Optical Technology Co ranks #2521 out of 2968 companies in the Industrial Products industry, placing it in the top 84.9%.
Is Ching Chan Optical Technology Co's Days Inventory too high?
Ching Chan Optical Technology Co's current Days Inventory of 195.33 is 32% below median its 10-year median of 287.72. Over the past 10 years, this metric has ranged from a low of 244.29 to a high of 394.86. The Industrial Products industry median Days Inventory is 119.51. Ching Chan Optical Technology Co's value of 195.33 is 63.4% above this industry median. Based on the distribution chart, Ching Chan Optical Technology Co ranks #2521 out of 2968 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Ching Chan Optical Technology Co has a GF Score™ of 77/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ching Chan Optical Technology Co's Days Inventory compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Ching Chan Optical Technology Co ranks #2521 out of 2968 companies for Days Inventory. This places Ching Chan Optical Technology Co in the lower half of its industry. The industry median Days Inventory is 119.51. Ching Chan Optical Technology Co's value of 195.33 is 63.4% above this benchmark. Historically, Ching Chan Optical Technology Co's own Days Inventory has ranged from 244.29 to 394.86 over the past decade. While the company's 10-year median is 287.72 vs. the industry median of 119.51, Ching Chan Optical Technology Co has consistently been above 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 an Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.51, based on 2,968 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. Ching Chan Optical Technology Co's current Days Inventory of 195.33 is 63.4% above 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 Ching Chan Optical Technology Co and its competitors. For the Industrial Products industry, the median Days Inventory is 119.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ching Chan Optical Technology Co's current Days Inventory is 195.33, which is 32% below median its own 10-year median of 287.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ching Chan Optical Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Ching Chan Optical Technology Co (ROCO:2070) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$42.23, compared to a current price of NT$52.30 — trading 23.8% above its estimated fair value. The current Days Inventory is 195.33, which is 32% below median its 10-year median of 287.72 and 63.4% above the Industrial Products industry median of 119.51. Ching Chan Optical Technology Co's overall GF Score™ is 77/100 with 1 warning sign 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 Ching Chan Optical Technology Co (ROCO:2070), the current Days Inventory is 195.33 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 Ching Chan Optical Technology Co (ROCO:2070) Overvalued in 2026?

Based on GuruFocus' analysis, Ching Chan Optical Technology Co stock appears to be overvalued. The current stock price of NT$52.30 is trading 23.8% above its estimated GF Value™ of NT$42.23. GuruFocus considers Ching Chan Optical Technology Co to be Modestly Overvalued.

Key valuation signals for ROCO:2070:

  • Days Inventory: 195.33 (32% below median its 10-year median of 287.72)
  • GF Value™: NT$42.23 vs. price of NT$52.30 (23.8% above fair value)
  • GF Score™: 77/100 with 1 warning sign
  • Industry Position: 63.4% above the Industrial Products median (#2521 of 2968)

No single metric tells the full story. See the ROCO:2070 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Ching Chan Optical Technology Co Business Description

Address Number 58, Lane 110, Zhongxiao Street, Hunei District, Kaohsiung, TWN
Ching Chan Optical Technology Co Ltd is engaged in providing screening equipment and other products. The company offers Screening Machine, Forming Machine, Pressure sensor, Intelligent automatic car handling system, and surveillance system among others.
77GF Score

Get the complete analysis for ROCO:2070

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

NT$52.30
Price
NT$42.23
GF Value