AAR (FRA:ARZ) Days Inventory: 124.86 (As of Feb. 2026) — Near Median


FRA:ARZ AAR Corp FRA:ARZ
83 GF Score
Price €123.50
GF Value €76.89
Valuation Significantly Overvalued
! 7 Warning Signs
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What is AAR Days Inventory?

AAR FRA:ARZ +2.40% 83 Days Inventory is 124.86 as of Feb. 2026, which is 1% below its 10-year median of 125.80. GuruFocus rates FRA:ARZ with a GF Score™ of 83/100 and a GF Value™ of €76.89 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 325 Aerospace & Defense companies, AAR ranks better than 56.62% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). AAR's Average Total Inventories for the three months ended in Feb. 2026 was €799 Mil. AAR's Cost of Goods Sold for the three months ended in Feb. 2026 was €584 Mil. Hence, AAR's Days Inventory for the three months ended in Feb. 2026 was 124.86.

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

FRA:ARZ' s Days Inventory Range Over the Past 10 Years
Min: 104.33   Med: 125.8   Max: 154.3
Current: 124.07

During the past 13 years, AAR's highest Days Inventory was 154.30. The lowest was 104.33. And the median was 125.80.

FRA:ARZ's Days Inventory is ranked better than
56.62% of 325 companies
in the Aerospace & Defense industry
Industry Median: 141.54 vs FRA:ARZ: 124.07

AAR's Days Inventory declined from Feb. 2025 (129.48) to Feb. 2026 (124.86).

Inventory Turnover measures how fast the company turns over its inventory within a year. AAR's Inventory Turnover for the three months ended in Feb. 2026 was 0.73.

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. AAR's Inventory-to-Revenue for the three months ended in Feb. 2026 was 1.12.


AAR  (FRA:ARZ) 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.

AAR's Inventory Turnover for the three months ended in Feb. 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.

AAR's Inventory to Revenue for the three months ended in Feb. 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.


AAR Days Inventory Related Terms


AAR Days Inventory Historical Data

* Premium members only.

The historical data trend for AAR'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.

AAR Days Inventory Chart

AAR Annual Data
Trend May16 May17 May18 May19 May20 May21 May22 May23 May24 May25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 163.73 123.64 128.41 126.82 127.49

AAR Quarterly Data
May21 Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Aug24 Nov24 Feb25 May25 Aug25 Nov25 Feb26
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 129.48 124.48 127.79 126.24 124.86

FRA:ARZ vs KRMN, VSEC, MRCY: Days Inventory Comparison

For the Aerospace & Defense subindustry, AAR'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.


AAR Days Inventory vs Aerospace & Defense Industry

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

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


FRA:ARZ
83GF Score
AAR Corp FRA:ARZ
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

AAR Days Inventory Calculation

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

AAR's Days Inventory for the fiscal year that ended in May. 2025 is calculated as

Days Inventory (A: May. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: May. 2024 ) + Total Inventories (A: May. 2025 )) / count ) / Cost of Goods Sold (A: May. 2025 )*Days in Period
=( (678.117 + 717.76) / 2 ) / 1998.233*365
=697.9385 / 1998.233*365
=127.49

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

Days Inventory (Q: Feb. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Nov. 2025 ) + Total Inventories (Q: Feb. 2026 )) / count ) / Cost of Goods Sold (Q: Feb. 2026 )*Days in Period
=( (787.842 + 810.637) / 2 ) / 584.079*365 / 4
=799.2395 / 584.079*365 / 4
=124.86

* 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 124.86 mean?
AAR (FRA:ARZ) has a Days Inventory of 124.86 as of Feb. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on AAR and its competitors. This is near median its historical median of 125.80. Over the past decade, AAR's Days Inventory has ranged from 104.33 to 154.30. According to the industry distribution chart, AAR ranks #141 out of 325 companies in the Aerospace & Defense industry, placing it in the top 43.4%.
Is AAR's Days Inventory too high?
AAR's current Days Inventory of 124.86 is near median its 10-year median of 125.80. Over the past 10 years, this metric has ranged from a low of 104.33 to a high of 154.30. The Aerospace & Defense industry median Days Inventory is 141.54. AAR's value of 124.86 is 11.8% below this industry median. Based on the distribution chart, AAR ranks #141 out of 325 companies in the Aerospace & Defense industry, which is above the industry midpoint. Overall, AAR has a GF Score™ of 83/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AAR's Days Inventory compare to KRMN and VSEC?
According to the Aerospace & Defense industry distribution chart, AAR ranks #141 out of 325 companies for Days Inventory. This puts AAR in the upper half of its industry. The industry median Days Inventory is 141.54. AAR's value of 124.86 is 11.8% below this benchmark. Historically, AAR's own Days Inventory has ranged from 104.33 to 154.30 over the past decade. While the company's 10-year median is 125.80 vs. the industry median of 141.54, AAR 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. AAR's current Days Inventory of 124.86 is 11.8% 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 AAR 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. AAR's current Days Inventory is 124.86, which is near median its own 10-year median of 125.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AAR stock overvalued right now?
Based on GuruFocus' analysis, AAR (FRA:ARZ) is currently considered Significantly Overvalued. The stock's GF Value™ is €76.89, compared to a current price of €123.50 — trading 60.6% above its estimated fair value. The current Days Inventory is 124.86, which is near median its 10-year median of 125.80 and 11.8% below the Aerospace & Defense industry median of 141.54. AAR's overall GF Score™ is 83/100 with 7 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 AAR (FRA:ARZ), the current Days Inventory is 124.86 as of Feb. 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 AAR (FRA:ARZ) Overvalued in 2026?

Based on GuruFocus' analysis, AAR stock appears to be overvalued. The current stock price of €123.50 is trading 60.6% above its estimated GF Value™ of €76.89. GuruFocus considers AAR to be Significantly Overvalued.

Key valuation signals for FRA:ARZ:

  • Days Inventory: 124.86 (near median its 10-year median of 125.80)
  • GF Value™: €76.89 vs. price of €123.50 (60.6% above fair value)
  • GF Score™: 83/100 with 7 warning signs
  • Industry Position: 11.8% below the Aerospace & Defense median (#141 of 325)

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


AAR Business Description

Other Exchanges AIR:USA
Address 1100 N. Wood Dale Road, One AAR Place, Wood Dale, IL, USA, 60191
AAR Corp is engaged in providing products and services to aviation, government and defense market. It operates in segments namely: The parts supply segment majorly consists of sales and leasing of USM and aftermarket distribution of new, OEM-supplied replacement parts; Repair & Engineering segment provides airframe maintenance, component repair, and landing gear overhaul services; Integrated Solutions segment consists of its fleet management and operations of customer-owned aircraft, customized performance-based supply chain logistics programs in support of the U.S. Department of Defense, flight hour component inventory; and The Expeditionary Services segment consists of products and services supporting the movement of equipment and personnel by the U.S. and foreign governments and NGOs.
83GF Score

Get the complete analysis for FRA:ARZ

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

€123.50
Price
€76.89
GF Value