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Kaiser AluminumSTU:KLU1 -3.76%71 Days Inventory is 70.94 as of Jun. 2026, which is 8% above its 10-year median of 65.49. GuruFocus rates STU:KLU1 with a GF Score™ of 71/100 and a GF Value™ of €87.36 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 690 Metals & Mining companies, Kaiser Aluminum ranks better than 56.96% on this metric.
The historical rank and industry rank for Kaiser Aluminum's Days Inventory or its related term are showing as below:
STU:KLU1'
s Days Inventory Range Over the Past 10 Years
Min: 43.26 Med: 65.49 Max: 82.64
Current: 75.79
During the past 13 years, Kaiser Aluminum's highest Days Inventory was 82.64. The lowest was 43.26. And the median was 65.49.
STU:KLU1's Days Inventory is ranked better than 56.96% of 690
companies
in the Metals & Mining industry
Industry Median: 85.79
vs STU:KLU1: 75.79
Kaiser Aluminum's Days Inventory
declined
from Jun. 2025 (76.14) to Jun. 2026 (70.94).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Kaiser Aluminum's Inventory Turnover for the
three
months ended in Jun. 2026 was 1.29.
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.
Kaiser Aluminum's Inventory-to-Revenue for the
three
months ended in Jun. 2026 was 0.65.
Kaiser Aluminum (STU:KLU1) 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.
Kaiser Aluminum's Inventory Turnover for the
three
months ended in Jun. 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.
Kaiser Aluminum's Inventory to Revenue for the
three
months 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.
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.
Kaiser Aluminum Days Inventory Related Terms
Kaiser Aluminum Days Inventory Historical Data
* Premium members only.
The historical data trend for Kaiser Aluminum'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.
STU:KLU1 vs CSTM, CENX, AA: Days Inventory Comparison
For the Aluminum subindustry, Kaiser Aluminum'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.
Kaiser Aluminum Days Inventory vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Kaiser Aluminum's Days Inventory distribution charts can be found below:
* The bar in red indicates where Kaiser Aluminum'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.
Kaiser Aluminum (STU:KLU1) has a Days Inventory of 70.94 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Kaiser Aluminum and its competitors. This is near median its historical median of 65.49. Over the past decade, Kaiser Aluminum's Days Inventory has ranged from 43.26 to 82.64. According to the industry distribution chart, Kaiser Aluminum ranks #297 out of 690 companies in the Metals & Mining industry, placing it in the top 43%.
Is Kaiser Aluminum's Days Inventory too high?
Kaiser Aluminum's current Days Inventory of 70.94 is near median its 10-year median of 65.49. Over the past 10 years, this metric has ranged from a low of 43.26 to a high of 82.64. The Metals & Mining industry median Days Inventory is 85.79. Kaiser Aluminum's value of 70.94 is 17.3% below this industry median. Based on the distribution chart, Kaiser Aluminum ranks #297 out of 690 companies in the Metals & Mining industry, which is above the industry midpoint. Overall, Kaiser Aluminum has a GF Score™ of 71/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Kaiser Aluminum's Days Inventory compare to CSTM and CENX?
According to the Metals & Mining industry distribution chart, Kaiser Aluminum ranks #297 out of 690 companies for Days Inventory. This puts Kaiser Aluminum in the upper half of its industry. The industry median Days Inventory is 85.79. Kaiser Aluminum's value of 70.94 is 17.3% below this benchmark. Historically, Kaiser Aluminum's own Days Inventory has ranged from 43.26 to 82.64 over the past decade. While the company's 10-year median is 65.49 vs. the industry median of 85.79, Kaiser Aluminum 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 a Metals & Mining company?
The median Days Inventory among Metals & Mining companies is 85.79, based on 690 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. Kaiser Aluminum's current Days Inventory of 70.94 is 17.3% 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 Kaiser Aluminum and its competitors. For the Metals & Mining industry, the median Days Inventory is 85.79 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kaiser Aluminum's current Days Inventory is 70.94, which is near median its own 10-year median of 65.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Kaiser Aluminum stock overvalued right now?
Based on GuruFocus' analysis, Kaiser Aluminum (STU:KLU1) is currently considered Significantly Overvalued. The stock's GF Value™ is €87.36, compared to a current price of €128.00 — trading 46.5% above its estimated fair value. The current Days Inventory is 70.94, which is near median its 10-year median of 65.49 and 17.3% below the Metals & Mining industry median of 85.79. Kaiser Aluminum's overall GF Score™ is 71/100 with 2 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 Kaiser Aluminum (STU:KLU1), the current Days Inventory is 70.94 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 Kaiser Aluminum (STU:KLU1) Overvalued in 2026?
Based on GuruFocus' analysis, Kaiser Aluminum stock appears to be overvalued.
The current stock price of €128.00 is trading 46.5% above its estimated GF Value™ of €87.36.
GuruFocus considers Kaiser Aluminum to be Significantly Overvalued.
Key valuation signals for STU:KLU1:
Days Inventory: 70.94 (near median its 10-year median of 65.49)
GF Value™: €87.36 vs. price of €128.00 (46.5% above fair value)
Industry Position: 17.3% below the Metals & Mining median (#297 of 690)
No single metric tells the full story. See the STU:KLU1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Kaiser Aluminum Corp specializes in the production of semi-fabricated specialty aluminum mill products, such as aluminum plate and sheet, bare and coated coil and extruded and drawn products, for the end market applications: Aero/HS Products; Packaging; GE Products; and Automotive Extrusions. Its products include fabricated aluminum mill products such as flat-rolled (plate, sheet, and coil), extruded (rod, bar, hollows, and shapes), drawn (rod, bar, pipe, tube and wire) and certain cast aluminum products. Geographically, the company generates majority of its revenue from the United States.
71GF Score
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