Boeing CoLIM:BA 48 Days Inventory is 398.71 as of Mar. 2026, which is 2% above its 10-year median of 390.14. GuruFocus rates LIM:BA with a GF Score™ of 48/100 and a GF Value™ of $208.81 (Fairly Valued). The stock has 3 warning signs investors should review. Among 325 Aerospace & Defense companies, Boeing Co ranks worse than 88.62% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Boeing Co's Average Total Inventories for the
three
months ended in Mar. 2026 was $85,952 Mil. Boeing Co's Cost of Goods Sold for the
three
months ended in Mar. 2026 was $19,671 Mil.
Hence, Boeing Co's Days Inventory for the
three
months ended in Mar. 2026 was 398.71.
The historical rank and industry rank for Boeing Co's Days Inventory or its related term are showing as below:
LIM:BA'
s Days Inventory Range Over the Past 10 Years
Min: 208.9 Med: 390.14 Max: 494.59
Current: 358.7
During the past 13 years, Boeing Co's highest Days Inventory was 494.59. The lowest was 208.90. And the median was 390.14.
LIM:BA's Days Inventory is ranked worse than 88.62% of 325
companies
in the Aerospace & Defense industry
Industry Median: 141.54
vs LIM:BA: 358.70
Boeing Co's Days Inventory
declined
from Mar. 2025 (471.84) to Mar. 2026 (398.71).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Boeing Co's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.23.
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.
Boeing Co's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 3.87.
Boeing Co (LIM:BA) 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.
Boeing Co'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.
Boeing Co'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.
Boeing Co Days Inventory Related Terms
Boeing Co Days Inventory Historical Data
* Premium members only.
The historical data trend for Boeing Co'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.
LIM:BA vs RTX, LMT, HWM: Days Inventory Comparison
For the Aerospace & Defense subindustry, Boeing Co'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.
Boeing Co Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Boeing Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Boeing Co'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.
Boeing Co (LIM:BA) has a Days Inventory of 398.71 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Boeing Co and its competitors. This is near median its historical median of 390.14. Over the past decade, Boeing Co's Days Inventory has ranged from 208.90 to 494.59. According to the industry distribution chart, Boeing Co ranks #288 out of 325 companies in the Aerospace & Defense industry, placing it in the top 88.6%.
Is Boeing Co's Days Inventory too high?
Boeing Co's current Days Inventory of 398.71 is near median its 10-year median of 390.14. Over the past 10 years, this metric has ranged from a low of 208.90 to a high of 494.59. The Aerospace & Defense industry median Days Inventory is 141.54. Boeing Co's value of 398.71 is 181.7% above this industry median. Based on the distribution chart, Boeing Co ranks #288 out of 325 companies in the Aerospace & Defense industry, which is in the bottom quartile relative to peers. Overall, Boeing Co has a GF Score™ of 48/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Boeing Co's Days Inventory compare to RTX and LMT?
According to the Aerospace & Defense industry distribution chart, Boeing Co ranks #288 out of 325 companies for Days Inventory. This places Boeing Co in the lower half of its industry. The industry median Days Inventory is 141.54. Boeing Co's value of 398.71 is 181.7% above this benchmark. Historically, Boeing Co's own Days Inventory has ranged from 208.90 to 494.59 over the past decade. While the company's 10-year median is 390.14 vs. the industry median of 141.54, Boeing Co 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 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. Boeing Co's current Days Inventory of 398.71 is 181.7% 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 Boeing Co 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. Boeing Co's current Days Inventory is 398.71, which is near median its own 10-year median of 390.14. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Boeing Co stock overvalued right now?
Based on GuruFocus' analysis, Boeing Co (LIM:BA) is currently considered Fairly Valued. The stock's GF Value™ is $208.81, compared to a current price of $228.67 — trading 9.5% above its estimated fair value. The current Days Inventory is 398.71, which is near median its 10-year median of 390.14 and 181.7% above the Aerospace & Defense industry median of 141.54. Boeing Co's overall GF Score™ is 48/100 with 3 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 Boeing Co (LIM:BA), the current Days Inventory is 398.71 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 Boeing Co (LIM:BA) Overvalued in 2026?
Based on GuruFocus' analysis, Boeing Co stock appears to be overvalued.
The current stock price of $228.67 is trading 9.5% above its estimated GF Value™ of $208.81.
GuruFocus considers Boeing Co to be Fairly Valued.
Key valuation signals for LIM:BA:
Days Inventory: 398.71 (near median its 10-year median of 390.14)
GF Value™: $208.81 vs. price of $228.67 (9.5% above fair value)
Industry Position: 181.7% above the Aerospace & Defense median (#288 of 325)
No single metric tells the full story. See the LIM:BA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Boeing is a major aerospace and defense firm operating in three segments: commercial airplanes; defense, space, and security; and global services. Boeing's commercial airplanes segment competes with Airbus in the production of aircraft that can carry more than 130 passengers. Boeing's defense, space, and security segment competes with defense contractors such as Lockheed Martin and Northrop Grumman to create military aircraft, satellites, and weaponry. Global services provides aftermarket support to airlines.
48GF Score
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