Westlake (STU:UEO) Change In Inventory: €1 Mil (TTM As of Jun. 2026)

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STU:UEO Westlake Corp STU:UEO
71 GF Score
Price €68.42
GF Value €91.87
Valuation Modestly Undervalued
! 7 Warning Signs
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What is Westlake Change In Inventory?

Westlake STU:UEO -1.72% 71 Change In Inventory is €1 Mil as of Jun. 2026. GuruFocus rates STU:UEO with a GF Score™ of 71/100 and a GF Value™ of €91.87 (Modestly Undervalued). The stock has 7 warning signs investors should review.

Westlake's change in inventory for the quarter that ended in Jun. 2026 was €-49 Mil. It means Westlake's inventory increased by €49 Mil from Mar. 2026 to Jun. 2026 .

Westlake's change in inventory for the fiscal year that ended in Dec. 2025 was €44 Mil. It means Westlake's inventory declined by €44 Mil from Dec. 2024 to Dec. 2025 .

Westlake's Total Inventories for the quarter that ended in Jun. 2026 was €1,522 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Westlake's Days Inventory for the quarter that ended in Jun. 2026 was 59.67.

Inventory Turnover measures how fast the company turns over its inventory within a year. Westlake's Inventory Turnover for the quarter that ended in Jun. 2026 was 1.53.

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. Westlake's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 0.52.


Westlake  (STU:UEO) Change In Inventory Explanation

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

Westlake's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=1486.5385/2273.292*365 / 4
=59.67

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Westlake's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

3. 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.

Westlake's Inventory to Revenue for the quarter that ended in Jun. 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.


Westlake Change In Inventory Related Terms


Westlake Change In Inventory Historical Data

* Premium members only.

The historical data trend for Westlake's Change In 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.

Westlake Change In Inventory Chart

Westlake Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -273.47 -132.16 229.25 -92.64 43.55

Westlake Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Change In 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 51.15 1.70 54.66 -6.92 -48.61
STU:UEO
71GF Score
Westlake Corp STU:UEO
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Westlake Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €1 Mil.

* 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 Change In Inventory →
What does a Change In Inventory of €1 Mil mean?
Westlake (STU:UEO) has a Change In Inventory of €1 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Westlake and its competitors.
Is Westlake's Change In Inventory too high?
Westlake's current Change In Inventory is €1 Mil. Overall, Westlake has a GF Score™ of 71/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Westlake's Change In Inventory compare to SOLS and ESI?
Westlake's Change In Inventory of €1 Mil can be compared against companies in the Chemicals industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Chemicals company?
A good Change In Inventory depends on the Chemicals industry context. However, Change In Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Westlake and its competitors. Westlake's current Change In Inventory is €1 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Westlake stock overvalued right now?
Based on GuruFocus' analysis, Westlake (STU:UEO) is currently considered Modestly Undervalued. The stock's GF Value™ is €91.87, compared to a current price of €68.42 — trading 25.5% below its estimated fair value. The current Change In Inventory is €1 Mil. Westlake's overall GF Score™ is 71/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For Westlake (STU:UEO), the current Change In Inventory is €1 Mil as of Jun. 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 Westlake (STU:UEO) Overvalued in 2026?

Based on GuruFocus' analysis, Westlake stock appears to be undervalued. The current stock price of €68.42 is trading 25.5% below its estimated GF Value™ of €91.87. GuruFocus considers Westlake to be Modestly Undervalued.

Key valuation signals for STU:UEO:

  • Change In Inventory: €1 Mil
  • GF Value™: €91.87 vs. price of €68.42 (25.5% below fair value)
  • GF Score™: 71/100 with 7 warning signs

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


Westlake Business Description

Other Exchanges WLK:USAWLK:Mexico0LVK:UK
Address 2801 Post Oak Boulevard, Suite 600, Houston, TX, USA, 77056
Westlake is a forward-integrated commodity chemicals firm based in Houston. It began as a single low-density polyethylene plant and expanded its capabilities to include ethylene, vinyl chloride monomers, and polyvinyl chloride over the next two decades. The acquisition of Axiall in 2016 made it a North American leader in chlor-alkali and PVC. Today, Westlake has two defined segments: performance and essential materials, and housing and infrastructure products. The HIP segment began operating in 2022 following a series of acquisitions in the building products space. The firm aims to maximize the value of its chemical production by integrating with the HIP segment, realizing the higher margins of finished commercial goods.
71GF Score

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

€68.42
Price
€91.87
GF Value