Eiso Enterprise Co (ROCO:5291) Days Inventory: 187.64 (As of Dec. 2025) — 181% Above Median

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ROCO:5291 Eiso Enterprise Co Ltd ROCO:5291
60 GF Score
Price NT$50.80
GF Value NT$25.85
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Eiso Enterprise Co Days Inventory?

Eiso Enterprise Co ROCO:5291 -7.13% 60 Days Inventory is 187.64 as of Dec. 2025, which is 181% above its 10-year median of 66.66. GuruFocus rates ROCO:5291 with a GF Score™ of 60/100 and a GF Value™ of NT$25.85 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,419 Hardware companies, Eiso Enterprise Co ranks worse than 78.67% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Eiso Enterprise Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$446 Mil. Eiso Enterprise Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$217 Mil. Hence, Eiso Enterprise Co's Days Inventory for the three months ended in Dec. 2025 was 187.64.

The historical rank and industry rank for Eiso Enterprise Co's Days Inventory or its related term are showing as below:

ROCO:5291' s Days Inventory Range Over the Past 10 Years
Min: 31.15   Med: 66.66   Max: 174.63
Current: 169.26

During the past 13 years, Eiso Enterprise Co's highest Days Inventory was 174.63. The lowest was 31.15. And the median was 66.66.

ROCO:5291's Days Inventory is ranked worse than
78.67% of 2419 companies
in the Hardware industry
Industry Median: 94.24 vs ROCO:5291: 169.26

Eiso Enterprise Co's Days Inventory increased from Dec. 2024 (165.44) to Dec. 2025 (187.64). It might indicate that Eiso Enterprise Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Eiso Enterprise Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.49.

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. Eiso Enterprise Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 1.66.


Eiso Enterprise Co  (ROCO:5291) 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.

Eiso Enterprise 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.

Eiso Enterprise 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.


Eiso Enterprise Co Days Inventory Related Terms


Eiso Enterprise Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Eiso Enterprise 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.

Eiso Enterprise Co Days Inventory Chart

Eiso Enterprise 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 73.17 81.91 133.04 158.83 174.63

Eiso Enterprise 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 165.44 161.09 158.73 164.05 187.64

ROCO:5291 vs APH, GLW: Days Inventory Comparison

For the Electronic Components subindustry, Eiso Enterprise 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.


Eiso Enterprise Co Days Inventory vs Hardware Industry

For the Hardware industry and Technology sector, Eiso Enterprise Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Eiso Enterprise Co's Days Inventory falls into.


ROCO:5291
60GF Score
Eiso Enterprise Co Ltd ROCO:5291
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Eiso Enterprise Co Days Inventory Calculation

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

Eiso Enterprise 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
=( (356.608 + 470.866) / 2 ) / 864.749*365
=413.737 / 864.749*365
=174.63

Eiso Enterprise 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
=( (421.349 + 470.866) / 2 ) / 216.949*365 / 4
=446.1075 / 216.949*365 / 4
=187.64

* 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 187.64 mean?
Eiso Enterprise Co (ROCO:5291) has a Days Inventory of 187.64 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Eiso Enterprise Co and its competitors. This is 181% above median its historical median of 66.66. Over the past decade, Eiso Enterprise Co's Days Inventory has ranged from 31.15 to 174.63. According to the industry distribution chart, Eiso Enterprise Co ranks #1903 out of 2419 companies in the Hardware industry, placing it in the top 78.7%.
Is Eiso Enterprise Co's Days Inventory too high?
Eiso Enterprise Co's current Days Inventory of 187.64 is 181% above median its 10-year median of 66.66. Over the past 10 years, this metric has ranged from a low of 31.15 to a high of 174.63. The Hardware industry median Days Inventory is 94.24. Eiso Enterprise Co's value of 187.64 is 99.1% above this industry median. Based on the distribution chart, Eiso Enterprise Co ranks #1903 out of 2419 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Eiso Enterprise Co has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Eiso Enterprise Co's Days Inventory compare to APH and GLW?
According to the Hardware industry distribution chart, Eiso Enterprise Co ranks #1903 out of 2419 companies for Days Inventory. This places Eiso Enterprise Co in the lower half of its industry. The industry median Days Inventory is 94.24. Eiso Enterprise Co's value of 187.64 is 99.1% above this benchmark. Historically, Eiso Enterprise Co's own Days Inventory has ranged from 31.15 to 174.63 over the past decade. While the company's 10-year median is 66.66 vs. the industry median of 94.24, Eiso Enterprise 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 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. Eiso Enterprise Co's current Days Inventory of 187.64 is 99.1% 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 Eiso Enterprise Co 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. Eiso Enterprise Co's current Days Inventory is 187.64, which is 181% above median its own 10-year median of 66.66. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Eiso Enterprise Co stock overvalued right now?
Based on GuruFocus' analysis, Eiso Enterprise Co (ROCO:5291) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$25.85, compared to a current price of NT$50.80 — trading 96.5% above its estimated fair value. The current Days Inventory is 187.64, which is 181% above median its 10-year median of 66.66 and 99.1% above the Hardware industry median of 94.24. Eiso Enterprise Co's overall GF Score™ is 60/100 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 Eiso Enterprise Co (ROCO:5291), the current Days Inventory is 187.64 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 Eiso Enterprise Co (ROCO:5291) Overvalued in 2026?

Based on GuruFocus' analysis, Eiso Enterprise Co stock appears to be overvalued. The current stock price of NT$50.80 is trading 96.5% above its estimated GF Value™ of NT$25.85. GuruFocus considers Eiso Enterprise Co to be Significantly Overvalued.

Key valuation signals for ROCO:5291:

  • Days Inventory: 187.64 (181% above median its 10-year median of 66.66)
  • GF Value™: NT$25.85 vs. price of NT$50.80 (96.5% above fair value)
  • GF Score™: 60/100 with 6 warning signs
  • Industry Position: 99.1% above the Hardware median (#1903 of 2419)

No single metric tells the full story. See the ROCO:5291 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Eiso Enterprise Co Business Description

Address Number 2, Zhonghua Lane, Shanying Road, Shanfengli, Guishan District, Taoyuan, TWN
Eiso Enterprise Co Ltd is a Taiwan-based company involved in the development of printed circuit boards and high-precision production equipment. The company is also engaged in manufacturing LED products.
60GF Score

Get the complete analysis for ROCO:5291

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

NT$50.80
Price
NT$25.85
GF Value