Alstom (CHIX:ALOP) Days Inventory: 89.69 (As of Mar. 2026) — Near Median


CHIX:ALOP Alstom SA CHIX:ALOP
71 GF Score
Price €15.17
GF Value €19.51
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Alstom Days Inventory?

Alstom CHIX:ALOP -0.07% 71 Days Inventory is 89.69 as of Mar. 2026, which is 2% above its 10-year median of 88.30. GuruFocus rates CHIX:ALOP with a GF Score™ of 71/100 and a GF Value™ of €19.51 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 796 Transportation companies, Alstom ranks worse than 89.82% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Alstom's Average Total Inventories for the six months ended in Mar. 2026 was €4,371 Mil. Alstom's Cost of Goods Sold for the six months ended in Mar. 2026 was €8,893 Mil. Hence, Alstom's Days Inventory for the six months ended in Mar. 2026 was 89.69.

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

CHIX:ALOp' s Days Inventory Range Over the Past 10 Years
Min: 51.75   Med: 88.3   Max: 116.04
Current: 93.26

During the past 13 years, Alstom's highest Days Inventory was 116.04. The lowest was 51.75. And the median was 88.30.

CHIX:ALOp's Days Inventory is ranked worse than
89.82% of 796 companies
in the Transportation industry
Industry Median: 12.35 vs CHIX:ALOp: 93.26

Alstom's Days Inventory declined from Mar. 2025 (89.87) to Mar. 2026 (89.69).

Inventory Turnover measures how fast the company turns over its inventory within a year. Alstom's Inventory Turnover for the six months ended in Mar. 2026 was 2.03.

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. Alstom's Inventory-to-Revenue for the six months ended in Mar. 2026 was 0.43.


Alstom  (CHIX:ALOp) 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.

Alstom's Inventory Turnover for the six 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.

Alstom's Inventory to Revenue for the six 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.


Alstom Days Inventory Related Terms


Alstom Days Inventory Historical Data

* Premium members only.

The historical data trend for Alstom'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.

Alstom Days Inventory Chart

Alstom Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 82.79 87.89 89.40 89.86 91.44

Alstom Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 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 91.94 95.04 89.87 99.19 89.69

CHIX:ALOP vs UNP, CSX, NSC: Days Inventory Comparison

For the Railroads subindustry, Alstom'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.


Alstom Days Inventory vs Transportation Industry

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

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


CHIX:ALOP
71GF Score
Alstom SA CHIX:ALOP
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Alstom Days Inventory Calculation

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

Alstom's Days Inventory for the fiscal year that ended in Mar. 2026 is calculated as

Days Inventory (A: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Mar. 2025 ) + Total Inventories (A: Mar. 2026 )) / count ) / Cost of Goods Sold (A: Mar. 2026 )*Days in Period
=( (4151 + 4276) / 2 ) / 16819*365
=4213.5 / 16819*365
=91.44

Alstom'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: Sep. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (4465 + 4276) / 2 ) / 8893*365 / 2
=4370.5 / 8893*365 / 2
=89.69

* 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 89.69 mean?
Alstom (CHIX:ALOP) has a Days Inventory of 89.69 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Alstom and its competitors. This is near median its historical median of 88.30. Over the past decade, Alstom's Days Inventory has ranged from 51.75 to 116.04. According to the industry distribution chart, Alstom ranks #715 out of 796 companies in the Transportation industry, placing it in the top 89.8%.
Is Alstom's Days Inventory too high?
Alstom's current Days Inventory of 89.69 is near median its 10-year median of 88.30. Over the past 10 years, this metric has ranged from a low of 51.75 to a high of 116.04. The Transportation industry median Days Inventory is 12.35. Alstom's value of 89.69 is 626.2% above this industry median. Based on the distribution chart, Alstom ranks #715 out of 796 companies in the Transportation industry, which is in the bottom quartile relative to peers. Overall, Alstom has a GF Score™ of 71/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Alstom's Days Inventory compare to UNP and CSX?
According to the Transportation industry distribution chart, Alstom ranks #715 out of 796 companies for Days Inventory. This places Alstom in the lower half of its industry. The industry median Days Inventory is 12.35. Alstom's value of 89.69 is 626.2% above this benchmark. Historically, Alstom's own Days Inventory has ranged from 51.75 to 116.04 over the past decade. While the company's 10-year median is 88.30 vs. the industry median of 12.35, Alstom 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 796 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. Alstom's current Days Inventory of 89.69 is 626.2% 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 Alstom 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. Alstom's current Days Inventory is 89.69, which is near median its own 10-year median of 88.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alstom stock overvalued right now?
Based on GuruFocus' analysis, Alstom (CHIX:ALOP) is currently considered Modestly Undervalued. The stock's GF Value™ is €19.51, compared to a current price of €15.17 — trading 22.3% below its estimated fair value. The current Days Inventory is 89.69, which is near median its 10-year median of 88.30 and 626.2% above the Transportation industry median of 12.35. Alstom's overall GF Score™ is 71/100 with 5 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 Alstom (CHIX:ALOP), the current Days Inventory is 89.69 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 Alstom (CHIX:ALOP) Overvalued in 2026?

Based on GuruFocus' analysis, Alstom stock appears to be undervalued. The current stock price of €15.17 is trading 22.3% below its estimated GF Value™ of €19.51. GuruFocus considers Alstom to be Modestly Undervalued.

Key valuation signals for CHIX:ALOP:

  • Days Inventory: 89.69 (near median its 10-year median of 88.30)
  • GF Value™: €19.51 vs. price of €15.17 (22.3% below fair value)
  • GF Score™: 71/100 with 5 warning signs
  • Industry Position: 626.2% above the Transportation median (#715 of 796)

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


Alstom Business Description

Address 48, Rue Albert Dhalenne, Saint-Ouen-sur-Seine, Paris, FRA, 93400
Alstom develops and markets equipment, systems, and services for the railway transport sector, including rolling stock, maintenance and modernization services, signaling, and infrastructure, which are offered separately, bundled, or as fully integrated solutions. The company is one of the key international players in the industry with a strong position in European markets.
71GF Score

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

€15.17
Price
€19.51
GF Value