Adtran HoldingsFRA:ATN -4.97%64 Days Inventory is 111.23 as of Mar. 2026, which is 18% below its 10-year median of 135.38. GuruFocus rates FRA:ATN with a GF Score™ of 64/100 and a GF Value™ of €7.89 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,413 Hardware companies, Adtran Holdings ranks worse than 66.93% on this metric.
The historical rank and industry rank for Adtran Holdings's Days Inventory or its related term are showing as below:
FRA:ATN'
s Days Inventory Range Over the Past 10 Years
Min: 103.89 Med: 135.38 Max: 189.64
Current: 128.21
During the past 13 years, Adtran Holdings's highest Days Inventory was 189.64. The lowest was 103.89. And the median was 135.38.
FRA:ATN's Days Inventory is ranked worse than 66.93% of 2413
companies
in the Hardware industry
Industry Median: 94.29
vs FRA:ATN: 128.21
Adtran Holdings's Days Inventory
declined
from Mar. 2025 (177.09) to Mar. 2026 (111.23).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Adtran Holdings's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.82.
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.
Adtran Holdings's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.74.
Adtran Holdings (FRA:ATN) 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.
Adtran Holdings'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.
Adtran Holdings'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.
Adtran Holdings Days Inventory Related Terms
Adtran Holdings Days Inventory Historical Data
* Premium members only.
The historical data trend for Adtran Holdings'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.
FRA:ATN vs GILT, FEIM, NTGR: Days Inventory Comparison
For the Communication Equipment subindustry, Adtran Holdings'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.
Adtran Holdings Days Inventory vs Hardware Industry
For the Hardware industry and Technology sector, Adtran Holdings's Days Inventory distribution charts can be found below:
* The bar in red indicates where Adtran Holdings'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.
Adtran Holdings (FRA:ATN) has a Days Inventory of 111.23 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Adtran Holdings and its competitors. This is 18% below median its historical median of 135.38. Over the past decade, Adtran Holdings' Days Inventory has ranged from 103.89 to 189.64. According to the industry distribution chart, Adtran Holdings ranks #1615 out of 2413 companies in the Hardware industry, placing it in the top 66.9%.
Is Adtran Holdings' Days Inventory too high?
Adtran Holdings' current Days Inventory of 111.23 is 18% below median its 10-year median of 135.38. Over the past 10 years, this metric has ranged from a low of 103.89 to a high of 189.64. The Hardware industry median Days Inventory is 94.29. Adtran Holdings' value of 111.23 is 18% above this industry median. Based on the distribution chart, Adtran Holdings ranks #1615 out of 2413 companies in the Hardware industry, which is below the industry midpoint. Overall, Adtran Holdings has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Adtran Holdings' Days Inventory compare to GILT and FEIM?
According to the Hardware industry distribution chart, Adtran Holdings ranks #1615 out of 2413 companies for Days Inventory. This places Adtran Holdings in the lower half of its industry. The industry median Days Inventory is 94.29. Adtran Holdings' value of 111.23 is 18% above this benchmark. Historically, Adtran Holdings' own Days Inventory has ranged from 103.89 to 189.64 over the past decade. While the company's 10-year median is 135.38 vs. the industry median of 94.29, Adtran Holdings 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 94.29, based on 2,413 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. Adtran Holdings's current Days Inventory of 111.23 is 18% 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 Adtran Holdings and its competitors. For the Hardware industry, the median Days Inventory is 94.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Adtran Holdings's current Days Inventory is 111.23, which is 18% below median its own 10-year median of 135.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Adtran Holdings stock overvalued right now?
Based on GuruFocus' analysis, Adtran Holdings (FRA:ATN) is currently considered Significantly Overvalued. The stock's GF Value™ is €7.89, compared to a current price of €11.20 — trading 42% above its estimated fair value. The current Days Inventory is 111.23, which is 18% below median its 10-year median of 135.38 and 18% above the Hardware industry median of 94.29. Adtran Holdings' overall GF Score™ is 64/100 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 Adtran Holdings (FRA:ATN), the current Days Inventory is 111.23 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 Adtran Holdings (FRA:ATN) Overvalued in 2026?
Based on GuruFocus' analysis, Adtran Holdings stock appears to be overvalued.
The current stock price of €11.20 is trading 42% above its estimated GF Value™ of €7.89.
GuruFocus considers Adtran Holdings to be Significantly Overvalued.
Key valuation signals for FRA:ATN:
Days Inventory: 111.23 (18% below median its 10-year median of 135.38)
GF Value™: €7.89 vs. price of €11.20 (42% above fair value)
Industry Position: 18% above the Hardware median (#1615 of 2413)
No single metric tells the full story. See the FRA:ATN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Adtran Holdings Inc is a provider of networking and communications platforms, software, and services focused on the broadband access market. It operates under two reportable segments: Network Solutions segment, which includes hardware and software products that enable a digital future that supports the company's Subscriber, Access & Aggregation, and Optical Networking Solutions; and Services & Support segment, which includes network design, implementation, maintenance and cloud-hosted services supporting the company's Subscriber, Access & Aggregation, and Optical Networking Solutions. It generates the majority of its revenue from the Network Solutions segment.
64GF Score
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