Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Kaiser AluminumSTU:KLU1 -3.76%71 Cyclically Adjusted PS Ratio is 0.86 as of Aug. 21, 2026, which is 13% below its 10-year median of 0.99. 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 575 Metals & Mining companies, Kaiser Aluminum ranks better than 70.78% on this metric.
The historical rank and industry rank for Kaiser Aluminum's Cyclically Adjusted PS Ratio or its related term are showing as below:
STU:KLU1'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 0.35 Med: 0.99 Max: 1.61
Current: 0.89
During the past years, Kaiser Aluminum's highest Cyclically Adjusted PS Ratio was 1.61. The lowest was 0.35. And the median was 0.99.
STU:KLU1's Cyclically Adjusted PS Ratio is ranked better than 70.78% of 575
companies
in the Metals & Mining industry
Industry Median: 2.31
vs STU:KLU1: 0.89
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.
Kaiser Aluminum's adjusted revenue per share data for the three months ended in Jun. 2026 was €64.472. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is €148.10 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Kaiser Aluminum (STU:KLU1) Cyclically Adjusted PS Ratio Explanation
Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PS Ratio should give similar results to regular PS Ratio.
Kaiser Aluminum Cyclically Adjusted PS Ratio Related Terms
Kaiser Aluminum Cyclically Adjusted PS Ratio Historical Data
* Premium members only.
The historical data trend for Kaiser Aluminum's Cyclically Adjusted PS Ratio 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.
Kaiser Aluminum Cyclically Adjusted PS Ratio Chart
STU:KLU1 vs CSTM, CENX, AA: Cyclically Adjusted PS Ratio Comparison
For the Aluminum subindustry, Kaiser Aluminum's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS Ratio 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 Cyclically Adjusted PS Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Kaiser Aluminum's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where Kaiser Aluminum's Cyclically Adjusted PS Ratio falls into.
Kaiser Aluminum Cyclically Adjusted PS Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio.
Kaiser Aluminum's Cyclically Adjusted PS Ratio for today 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.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PS Ratio of 0.86 mean?
Kaiser Aluminum (STU:KLU1) has a Cyclically Adjusted PS Ratio of 0.86 as of Aug. 21, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Kaiser Aluminum and its competitors. This is 13% below median its historical median of 0.99. Over the past decade, Kaiser Aluminum's Cyclically Adjusted PS Ratio has ranged from 0.35 to 1.61. According to the industry distribution chart, Kaiser Aluminum ranks #168 out of 575 companies in the Metals & Mining industry, placing it in the top 29.2%.
Is Kaiser Aluminum's Cyclically Adjusted PS Ratio too high?
Kaiser Aluminum's current Cyclically Adjusted PS Ratio of 0.86 is 13% below median its 10-year median of 0.99. Over the past 10 years, this metric has ranged from a low of 0.35 to a high of 1.61. The Metals & Mining industry median Cyclically Adjusted PS Ratio is 2.31. Kaiser Aluminum's value of 0.86 is 62.8% below this industry median. Based on the distribution chart, Kaiser Aluminum ranks #168 out of 575 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 Cyclically Adjusted PS Ratio compare to CSTM and CENX?
According to the Metals & Mining industry distribution chart, Kaiser Aluminum ranks #168 out of 575 companies for Cyclically Adjusted PS Ratio. This puts Kaiser Aluminum in the upper half of its industry. The industry median Cyclically Adjusted PS Ratio is 2.31. Kaiser Aluminum's value of 0.86 is 62.8% below this benchmark. Historically, Kaiser Aluminum's own Cyclically Adjusted PS Ratio has ranged from 0.35 to 1.61 over the past decade. While the company's 10-year median is 0.99 vs. the industry median of 2.31, 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 Cyclically Adjusted PS Ratio for a Metals & Mining company?
The median Cyclically Adjusted PS Ratio among Metals & Mining companies is 2.31, based on 575 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Kaiser Aluminum's current Cyclically Adjusted PS Ratio of 0.86 is 62.8% 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 Cyclically Adjusted PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Kaiser Aluminum and its competitors. For the Metals & Mining industry, the median Cyclically Adjusted PS Ratio is 2.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kaiser Aluminum's current Cyclically Adjusted PS Ratio is 0.86, which is 13% below median its own 10-year median of 0.99. 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 Cyclically Adjusted PS Ratio is 0.86, which is 13% below median its 10-year median of 0.99 and 62.8% below the Metals & Mining industry median of 2.31. 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 Cyclically Adjusted PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Kaiser Aluminum (STU:KLU1), the current Cyclically Adjusted PS Ratio is 0.86 as of Aug. 21, 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:
Cyclically Adjusted PS Ratio: 0.86 (13% below median its 10-year median of 0.99)
GF Value™: €87.36 vs. price of €128.00 (46.5% above fair value)
Industry Position: 62.8% below the Metals & Mining median (#168 of 575)
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
Get the complete analysis for STU:KLU1
Cyclically Adjusted PS Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:KLU1 has been successfully added to your 
