ERock (EROC) Days Inventory: 156.12 (As of Dec. 2025) — 26% Below Median


EROC ERock Inc EROC
8 GF Score
Price $13.76
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What is ERock Days Inventory?

ERock EROC -6.65% 8 Days Inventory is 156.12 as of Dec. 2025, which is 26% below its 10-year median of 210.06. GuruFocus rates EROC with a GF Score™ of 8/100. The stock has 1 warning sign investors should review. Among 2,969 Industrial Products companies, ERock ranks worse than 64.43% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). ERock's Average Total Inventories for the six months ended in Dec. 2025 was $62.1 Mil. ERock's Cost of Goods Sold for the six months ended in Dec. 2025 was $145.2 Mil. Hence, ERock's Days Inventory for the six months ended in Dec. 2025 was 78.06.

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

EROC' s Days Inventory Range Over the Past 10 Years
Min: 156.12   Med: 210.06   Max: 264
Current: 156.12

During the past 2 years, ERock's highest Days Inventory was 264.00. The lowest was 156.12. And the median was 210.06.

EROC's Days Inventory is ranked worse than
64.43% of 2969 companies
in the Industrial Products industry
Industry Median: 119.47 vs EROC: 156.12

ERock's Days Inventory increased from . 20 (0.00) to Dec. 2025 (156.12). It might indicate that ERock's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. ERock's Inventory Turnover for the six months ended in Dec. 2025 was 2.34.

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. ERock's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.34.


ERock  (NYSE:EROC) 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.

ERock's Inventory Turnover for the six 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.

ERock's Inventory to Revenue for the six 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.


ERock Days Inventory Related Terms


ERock Days Inventory Historical Data

* Premium members only.

The historical data trend for ERock'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.

ERock Days Inventory Chart

ERock Annual Data
Trend Dec24 Dec25
Days Inventory
264.00 156.12

ERock Semi-Annual Data
Dec24 Dec25
Days Inventory 264.00 156.12

EROC vs : Days Inventory Comparison

For the Specialty Industrial Machinery subindustry, ERock'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.


ERock Days Inventory vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, ERock's Days Inventory distribution charts can be found below:

* The bar in red indicates where ERock's Days Inventory falls into.


EROC
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ERock Inc EROC
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ERock Days Inventory Calculation

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

ERock'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
=( (80.487 + 43.681) / 2 ) / 145.151*365
=62.084 / 145.151*365
=156.12

ERock'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: Dec. 2024 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (80.487 + 43.681) / 2 ) / 145.151*365 / 2
=62.084 / 145.151*365 / 2
=78.06

* 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 156.12 mean?
ERock (EROC) has a Days Inventory of 156.12 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on ERock and its competitors. This is 26% below median its historical median of 210.06. Over the past decade, ERock's Days Inventory has ranged from 156.12 to 264.00. According to the industry distribution chart, ERock ranks #1913 out of 2969 companies in the Industrial Products industry, placing it in the top 64.4%.
Is ERock's Days Inventory too high?
ERock's current Days Inventory of 156.12 is 26% below median its 10-year median of 210.06. Over the past 10 years, this metric has ranged from a low of 156.12 to a high of 264.00. The Industrial Products industry median Days Inventory is 119.47. ERock's value of 156.12 is 30.7% above this industry median. Based on the distribution chart, ERock ranks #1913 out of 2969 companies in the Industrial Products industry, which is below the industry midpoint. Overall, ERock has a GF Score™ of 8/100, reflecting its overall financial health beyond just this single metric.
How does ERock's Days Inventory compare to ?
According to the Industrial Products industry distribution chart, ERock ranks #1913 out of 2969 companies for Days Inventory. This places ERock in the lower half of its industry. The industry median Days Inventory is 119.47. ERock's value of 156.12 is 30.7% above this benchmark. Historically, ERock's own Days Inventory has ranged from 156.12 to 264.00 over the past decade. While the company's 10-year median is 210.06 vs. the industry median of 119.47, ERock 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 119.47, based on 2,969 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. ERock's current Days Inventory of 156.12 is 30.7% 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 ERock and its competitors. For the Industrial Products industry, the median Days Inventory is 119.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ERock's current Days Inventory is 156.12, which is 26% below median its own 10-year median of 210.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ERock stock overvalued right now?
ERock (EROC) has a current Days Inventory of 156.12. The current Days Inventory is 156.12, which is 26% below median its 10-year median of 210.06 and 30.7% above the Industrial Products industry median of 119.47. ERock's overall GF Score™ is 8/100 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 ERock (EROC), the current Days Inventory is 156.12 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.

ERock Business Description

Comparable Companies
Other Exchanges 5E7:Germany
Address 1113 Vine Street, Suite 101, Houston, TX, USA, 77002
ERock Inc is a vertically integrated company that designs, deploys, operates and maintains multi-purpose distributed power systems, consisting of its proprietary, low emission, quick-response natural gas generator and embedded software technology, for its customers. Its systems are used for bridge power, backup power, and dispatchable power applications, and are supported by operations, maintenance, and asset management services. The company's modular power systems are designed for rapid deployment and are used to support a range of customer power requirements. The company derives the majority of revenue from power system sales.
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