ATRO (Astronics) Days Inventory: 119.96 (As of Mar. 2026) — Near Median


ATRO Astronics Corp ATRO
56 GF Score
Price $84.86
GF Value $19.45
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Astronics Days Inventory?

Astronics ATRO +2.68% 56 Days Inventory is 119.96 as of Mar. 2026, which is 2% below its 10-year median of 122.06. GuruFocus rates ATRO with a GF Score™ of 56/100 and a GF Value™ of $19.45 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 325 Aerospace & Defense companies, Astronics ranks better than 58.77% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Astronics's Average Total Inventories for the three months ended in Mar. 2026 was $204.4 Mil. Astronics's Cost of Goods Sold for the three months ended in Mar. 2026 was $155.5 Mil. Hence, Astronics's Days Inventory for the three months ended in Mar. 2026 was 119.96.

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

ATRO' s Days Inventory Range Over the Past 10 Years
Min: 84.2   Med: 122.06   Max: 151.29
Current: 118.62

During the past 13 years, Astronics's highest Days Inventory was 151.29. The lowest was 84.20. And the median was 122.06.

ATRO's Days Inventory is ranked better than
58.77% of 325 companies
in the Aerospace & Defense industry
Industry Median: 141.54 vs ATRO: 118.62

Astronics's Days Inventory declined from Mar. 2025 (125.06) to Mar. 2026 (119.96).

Inventory Turnover measures how fast the company turns over its inventory within a year. Astronics's Inventory Turnover for the three months ended in Mar. 2026 was 0.76.

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. Astronics's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.89.


Astronics  (NAS:ATRO) 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.

Astronics'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.

Astronics'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.


Astronics Days Inventory Related Terms


Astronics Days Inventory Historical Data

* Premium members only.

The historical data trend for Astronics'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.

Astronics Days Inventory Chart

Astronics 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 151.29 136.10 134.67 124.27 119.84

Astronics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 125.06 117.85 121.60 112.33 119.96

ATRO vs HAWK, VOYG, VVX: Days Inventory Comparison

For the Aerospace & Defense subindustry, Astronics'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.


Astronics Days Inventory vs Aerospace & Defense Industry

For the Aerospace & Defense industry and Industrials sector, Astronics's Days Inventory distribution charts can be found below:

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


ATRO
56GF Score
Astronics Corp ATRO
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Astronics Days Inventory Calculation

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

Astronics'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
=( (199.741 + 196.86) / 2 ) / 603.97*365
=198.3005 / 603.97*365
=119.84

Astronics's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (196.86 + 211.945) / 2 ) / 155.486*365 / 4
=204.4025 / 155.486*365 / 4
=119.96

* 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 119.96 mean?
Astronics (ATRO) has a Days Inventory of 119.96 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Astronics and its competitors. This is near median its historical median of 122.06. Over the past decade, Astronics' Days Inventory has ranged from 84.20 to 151.29. According to the industry distribution chart, Astronics ranks #134 out of 325 companies in the Aerospace & Defense industry, placing it in the top 41.2%.
Is Astronics' Days Inventory too high?
Astronics' current Days Inventory of 119.96 is near median its 10-year median of 122.06. Over the past 10 years, this metric has ranged from a low of 84.20 to a high of 151.29. The Aerospace & Defense industry median Days Inventory is 141.54. Astronics' value of 119.96 is 15.2% below this industry median. Based on the distribution chart, Astronics ranks #134 out of 325 companies in the Aerospace & Defense industry, which is above the industry midpoint. Overall, Astronics has a GF Score™ of 56/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Astronics' Days Inventory compare to HAWK and VOYG?
According to the Aerospace & Defense industry distribution chart, Astronics ranks #134 out of 325 companies for Days Inventory. This puts Astronics in the upper half of its industry. The industry median Days Inventory is 141.54. Astronics' value of 119.96 is 15.2% below this benchmark. Historically, Astronics' own Days Inventory has ranged from 84.20 to 151.29 over the past decade. While the company's 10-year median is 122.06 vs. the industry median of 141.54, Astronics has consistently been below 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 Aerospace & Defense company?
The median Days Inventory among Aerospace & Defense companies is 141.54, based on 325 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. Astronics's current Days Inventory of 119.96 is 15.2% below 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 Astronics and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 141.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Astronics's current Days Inventory is 119.96, which is near median its own 10-year median of 122.06. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Astronics stock overvalued right now?
Based on GuruFocus' analysis, Astronics (ATRO) is currently considered Significantly Overvalued. The stock's GF Value™ is $19.45, compared to a current price of $84.86 — trading 336.3% above its estimated fair value. The current Days Inventory is 119.96, which is near median its 10-year median of 122.06 and 15.2% below the Aerospace & Defense industry median of 141.54. Astronics' overall GF Score™ is 56/100 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 Astronics (ATRO), the current Days Inventory is 119.96 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 Astronics (ATRO) Overvalued in 2026?

Based on GuruFocus' analysis, Astronics stock appears to be overvalued. The current stock price of $84.86 is trading 336.3% above its estimated GF Value™ of $19.45. GuruFocus considers Astronics to be Significantly Overvalued.

Key valuation signals for ATRO:

  • Days Inventory: 119.96 (near median its 10-year median of 122.06)
  • GF Value™: $19.45 vs. price of $84.86 (336.3% above fair value)
  • GF Score™: 56/100 with 4 warning signs
  • Industry Position: 15.2% below the Aerospace & Defense median (#134 of 325)

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


Astronics Business Description

Address 130 Commerce Way, East Aurora, NY, USA, 14052
Astronics Corporation is a provider of technologies to the aerospace, defense, and electronics industries, offering high-performance electrical power generation and distribution systems, motion systems, lighting and safety systems, avionics products, systems certification, aircraft structures, and automated test systems. The company operates through two reportable segments, Aerospace and Test Systems. The Aerospace segment designs and manufactures products for the aerospace and defense industry and generates the majority of revenue, while the Test Systems segment designs, develops, manufactures, and maintains automated test systems for the aerospace and defense, communications, and mass transit industries. The company derives the majority of its revenue from the United States.
56GF Score

Get the complete analysis for ATRO

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

$84.86
Price
$19.45
GF Value