Air New Zealand (ASX:AIZ) Days Inventory: 40.63 (As of Dec. 2025) — 16% Above Median


ASX:AIZ Air New Zealand Ltd ASX:AIZ
38 GF Score
Price A$0.36
GF Value A$0.51
Valuation Possible Value Trap
! 6 Warning Signs
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What is Air New Zealand Days Inventory?

Air New Zealand ASX:AIZ -1.39% 38 Days Inventory is 40.63 as of Dec. 2025, which is 16% above its 10-year median of 34.90. GuruFocus rates ASX:AIZ with a GF Score™ of 38/100 and a GF Value™ of A$0.51 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 800 Transportation companies, Air New Zealand ranks worse than 79.13% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Air New Zealand's Average Total Inventories for the six months ended in Dec. 2025 was A$150 Mil. Air New Zealand's Cost of Goods Sold for the six months ended in Dec. 2025 was A$674 Mil. Hence, Air New Zealand's Days Inventory for the six months ended in Dec. 2025 was 40.63.

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

ASX:AIZ' s Days Inventory Range Over the Past 10 Years
Min: 22.4   Med: 34.9   Max: 116.19
Current: 38.46

During the past 13 years, Air New Zealand's highest Days Inventory was 116.19. The lowest was 22.40. And the median was 34.90.

ASX:AIZ's Days Inventory is ranked worse than
79.13% of 800 companies
in the Transportation industry
Industry Median: 12.35 vs ASX:AIZ: 38.46

Air New Zealand's Days Inventory increased from Dec. 2024 (33.94) to Dec. 2025 (40.63). It might indicate that Air New Zealand's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Air New Zealand's Inventory Turnover for the six months ended in Dec. 2025 was 4.49.

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. Air New Zealand's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.05.


Air New Zealand  (ASX:AIZ) 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.

Air New Zealand's Inventory Turnover for the six months ended in Dec. 2025 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.

Air New Zealand's Inventory to Revenue for the six months ended in Dec. 2025 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.


Air New Zealand Days Inventory Related Terms


Air New Zealand Days Inventory Historical Data

* Premium members only.

The historical data trend for Air New Zealand'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.

Air New Zealand Days Inventory Chart

Air New Zealand Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 116.50 62.77 26.29 26.82 36.36

Air New Zealand Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 24.92 28.59 33.94 37.83 40.63

ASX:AIZ vs DAL, UAL, LUV: Days Inventory Comparison

For the Airlines subindustry, Air New Zealand'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.


Air New Zealand Days Inventory vs Transportation Industry

For the Transportation industry and Industrials sector, Air New Zealand's Days Inventory distribution charts can be found below:

* The bar in red indicates where Air New Zealand's Days Inventory falls into.


ASX:AIZ
38GF Score
Air New Zealand Ltd ASX:AIZ
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Air New Zealand Days Inventory Calculation

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

Air New Zealand's Days Inventory for the fiscal year that ended in Jun. 2025 is calculated as

Days Inventory (A: Jun. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Jun. 2024 ) + Total Inventories (A: Jun. 2025 )) / count ) / Cost of Goods Sold (A: Jun. 2025 )*Days in Period
=( (121.109 + 152.951) / 2 ) / 1375.633*365
=137.03 / 1375.633*365
=36.36

Air New Zealand's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Jun. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (152.951 + 147.19) / 2 ) / 674.115*365 / 2
=150.0705 / 674.115*365 / 2
=40.63

* 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 40.63 mean?
Air New Zealand (ASX:AIZ) has a Days Inventory of 40.63 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Air New Zealand and its competitors. This is 16% above median its historical median of 34.90. Over the past decade, Air New Zealand's Days Inventory has ranged from 22.40 to 116.19. According to the industry distribution chart, Air New Zealand ranks #633 out of 800 companies in the Transportation industry, placing it in the top 79.1%.
Is Air New Zealand's Days Inventory too high?
Air New Zealand's current Days Inventory of 40.63 is 16% above median its 10-year median of 34.90. Over the past 10 years, this metric has ranged from a low of 22.40 to a high of 116.19. The Transportation industry median Days Inventory is 12.35. Air New Zealand's value of 40.63 is 229% above this industry median. Based on the distribution chart, Air New Zealand ranks #633 out of 800 companies in the Transportation industry, which is in the bottom quartile relative to peers. Overall, Air New Zealand has a GF Score™ of 38/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Air New Zealand's Days Inventory compare to DAL and UAL?
According to the Transportation industry distribution chart, Air New Zealand ranks #633 out of 800 companies for Days Inventory. This places Air New Zealand in the lower half of its industry. The industry median Days Inventory is 12.35. Air New Zealand's value of 40.63 is 229% above this benchmark. Historically, Air New Zealand's own Days Inventory has ranged from 22.40 to 116.19 over the past decade. While the company's 10-year median is 34.90 vs. the industry median of 12.35, Air New Zealand 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 Transportation company?
The median Days Inventory among Transportation companies is 12.35, based on 800 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. Air New Zealand's current Days Inventory of 40.63 is 229% 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 Air New Zealand and its competitors. For the Transportation industry, the median Days Inventory is 12.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Air New Zealand's current Days Inventory is 40.63, which is 16% above median its own 10-year median of 34.90. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Air New Zealand stock overvalued right now?
Based on GuruFocus' analysis, Air New Zealand (ASX:AIZ) is currently considered Possible Value Trap. The stock's GF Value™ is A$0.51, compared to a current price of A$0.36 — trading 30.4% below its estimated fair value. The current Days Inventory is 40.63, which is 16% above median its 10-year median of 34.90 and 229% above the Transportation industry median of 12.35. Air New Zealand's overall GF Score™ is 38/100 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 Air New Zealand (ASX:AIZ), the current Days Inventory is 40.63 as of Dec. 2025. 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 Air New Zealand (ASX:AIZ) Overvalued in 2026?

Based on GuruFocus' analysis, Air New Zealand stock appears to be undervalued. The current stock price of A$0.36 is trading 30.4% below its estimated GF Value™ of A$0.51. GuruFocus considers Air New Zealand to be Possible Value Trap.

Key valuation signals for ASX:AIZ:

  • Days Inventory: 40.63 (16% above median its 10-year median of 34.90)
  • GF Value™: A$0.51 vs. price of A$0.36 (30.4% below fair value)
  • GF Score™: 38/100 with 6 warning signs
  • Industry Position: 229% above the Transportation median (#633 of 800)

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


Air New Zealand Business Description

Address 185 Fanshawe Street, Air New Zealand House, Auckland, NTL, NZL, 1010
Air New Zealand, majority owned by the New Zealand government, provides air passenger and cargo transport services within New Zealand as well as to and from Australia, the Southwest Pacific, Asia, North America, the United Kingdom, and South America. Air New Zealand also encompasses business units providing engineering and ground handling services. Air New Zealand dominates the local market with around 80% share, although the majority of revenue is derived from international and trans-Tasman activity.
38GF Score

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

A$0.36
Price
A$0.51
GF Value