Acorn EnergyACFN +0.95%65 Days Inventory is 252.90 as of Mar. 2026, which is 270% above its 10-year median of 68.32. GuruFocus rates ACFN with a GF Score™ of 65/100 and a GF Value™ of $13.60 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 2,412 Hardware companies, Acorn Energy ranks worse than 79.06% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Acorn Energy's Average Total Inventories for the
three
months ended in Mar. 2026 was $1.23 Mil. Acorn Energy's Cost of Goods Sold for the
three
months ended in Mar. 2026 was $0.44 Mil.
Hence, Acorn Energy's Days Inventory for the
three
months ended in Mar. 2026 was 252.90.
The historical rank and industry rank for Acorn Energy's Days Inventory or its related term are showing as below:
ACFN'
s Days Inventory Range Over the Past 10 Years
Min: 25.17 Med: 68.32 Max: 171.88
Current: 171.88
During the past 13 years, Acorn Energy's highest Days Inventory was 171.88. The lowest was 25.17. And the median was 68.32.
ACFN's Days Inventory is ranked worse than 79.06% of 2412
companies
in the Hardware industry
Industry Median: 94.265
vs ACFN: 171.88
Acorn Energy's Days Inventory
increased
from Mar. 2025 (80.14) to Mar. 2026 (252.90).
It might indicate that Acorn Energy's sales slowed down.
Warning Sign:
If a company builds up inventory, it may mean it is having difficulties selling its goods.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Acorn Energy's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.36.
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.
Acorn Energy's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.55.
Acorn Energy (NAS:ACFN) 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.
Acorn Energy's Inventory Turnover for the
three
months ended in Mar. 2026 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.
Acorn Energy's Inventory to Revenue for the
three
months ended in Mar. 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.
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.
Acorn Energy Days Inventory Related Terms
Acorn Energy Days Inventory Historical Data
* Premium members only.
The historical data trend for Acorn Energy'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.
ACFN vs LGL, ARAI, AATC: Days Inventory Comparison
For the Scientific & Technical Instruments subindustry, Acorn Energy'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.
Acorn Energy Days Inventory vs Hardware Industry
For the Hardware industry and Technology sector, Acorn Energy's Days Inventory distribution charts can be found below:
* The bar in red indicates where Acorn Energy's Days Inventory falls into.
* 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.
Acorn Energy (ACFN) has a Days Inventory of 252.90 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Acorn Energy and its competitors. This is 270% above median its historical median of 68.32. Over the past decade, Acorn Energy's Days Inventory has ranged from 25.17 to 171.88. According to the industry distribution chart, Acorn Energy ranks #1907 out of 2412 companies in the Hardware industry, placing it in the top 79.1%.
Is Acorn Energy's Days Inventory too high?
Acorn Energy's current Days Inventory of 252.90 is 270% above median its 10-year median of 68.32. Over the past 10 years, this metric has ranged from a low of 25.17 to a high of 171.88. The Hardware industry median Days Inventory is 94.27. Acorn Energy's value of 252.90 is 168.3% above this industry median. Based on the distribution chart, Acorn Energy ranks #1907 out of 2412 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Acorn Energy has a GF Score™ of 65/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Acorn Energy's Days Inventory compare to LGL and ARAI?
According to the Hardware industry distribution chart, Acorn Energy ranks #1907 out of 2412 companies for Days Inventory. This places Acorn Energy in the lower half of its industry. The industry median Days Inventory is 94.27. Acorn Energy's value of 252.90 is 168.3% above this benchmark. Historically, Acorn Energy's own Days Inventory has ranged from 25.17 to 171.88 over the past decade. While the company's 10-year median is 68.32 vs. the industry median of 94.27, Acorn Energy 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 94.27, based on 2,412 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. Acorn Energy's current Days Inventory of 252.90 is 168.3% 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 Acorn Energy and its competitors. For the Hardware industry, the median Days Inventory is 94.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Acorn Energy's current Days Inventory is 252.90, which is 270% above median its own 10-year median of 68.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Acorn Energy stock overvalued right now?
Based on GuruFocus' analysis, Acorn Energy (ACFN) is currently considered Modestly Overvalued. The stock's GF Value™ is $13.60, compared to a current price of $16.96 — trading 24.7% above its estimated fair value. The current Days Inventory is 252.90, which is 270% above median its 10-year median of 68.32 and 168.3% above the Hardware industry median of 94.27. Acorn Energy's overall GF Score™ is 65/100 with 4 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 Acorn Energy (ACFN), the current Days Inventory is 252.90 as of Mar. 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 Acorn Energy (ACFN) Overvalued in 2026?
Based on GuruFocus' analysis, Acorn Energy stock appears to be overvalued.
The current stock price of $16.96 is trading 24.7% above its estimated GF Value™ of $13.60.
GuruFocus considers Acorn Energy to be Modestly Overvalued.
Key valuation signals for ACFN:
Days Inventory: 252.90 (270% above median its 10-year median of 68.32)
GF Value™: $13.60 vs. price of $16.96 (24.7% above fair value)
Industry Position: 168.3% above the Hardware median (#1907 of 2412)
No single metric tells the full story. See the ACFN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Acorn Energy Inc is a holding company that focuses on technology-driven solutions for energy infrastructure asset management. The company operates through two segments namely, the PG segment and the CP segment. PG segment provides wireless remote monitoring and control systems and services for critical assets as well as Internet of Things applications which account for the majority of the revenue. CP segment is engaged in providing remote monitoring of cathodic protection systems on gas pipelines for gas utilities and pipeline companies.
65GF Score
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