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LyondellBasell Industries NVMIL:1LYB 47 Cyclically Adjusted PS Ratio is 0.48 as of Aug. 27, 2026, which is 40% below its 10-year median of 0.80. GuruFocus rates MIL:1LYB with a GF Score™ of 47/100 and a GF Value™ of €63.75 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 1,273 Chemicals companies, LyondellBasell Industries NV ranks better than 79.89% on this metric.
The historical rank and industry rank for LyondellBasell Industries NV's Cyclically Adjusted PS Ratio or its related term are showing as below:
MIL:1LYB'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 0.35 Med: 0.8 Max: 1.28
Current: 0.49
During the past years, LyondellBasell Industries NV's highest Cyclically Adjusted PS Ratio was 1.28. The lowest was 0.35. And the median was 0.80.
MIL:1LYB's Cyclically Adjusted PS Ratio is ranked better than 79.89% of 1273
companies
in the Chemicals industry
Industry Median: 1.32
vs MIL:1LYB: 0.49
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.
LyondellBasell Industries NV's adjusted revenue per share data for the three months ended in Jun. 2026 was €24.661. 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 €113.51 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
LyondellBasell Industries NV (MIL:1LYB) 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.
LyondellBasell Industries NV Cyclically Adjusted PS Ratio Related Terms
LyondellBasell Industries NV Cyclically Adjusted PS Ratio Historical Data
* 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.
LyondellBasell Industries NV Cyclically Adjusted PS Ratio Chart
MIL:1LYB vs IFF, DD, RPM: Cyclically Adjusted PS Ratio Comparison
For the Specialty Chemicals subindustry, LyondellBasell Industries NV'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.
LyondellBasell Industries NV Cyclically Adjusted PS Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, LyondellBasell Industries NV's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where LyondellBasell Industries NV's Cyclically Adjusted PS Ratio falls into.
LyondellBasell Industries NV 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.
* 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 0.48 mean?
LyondellBasell Industries NV (MIL:1LYB) has a Cyclically Adjusted PS Ratio of 0.48 as of Aug. 27, 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 LyondellBasell Industries NV and its competitors. This is 40% below median its historical median of 0.80. Over the past decade, LyondellBasell Industries NV's Cyclically Adjusted PS Ratio has ranged from 0.35 to 1.28. According to the industry distribution chart, LyondellBasell Industries NV ranks #256 out of 1273 companies in the Chemicals industry, placing it in the top 20.1%.
Is LyondellBasell Industries NV's Cyclically Adjusted PS Ratio too high?
LyondellBasell Industries NV's current Cyclically Adjusted PS Ratio of 0.48 is 40% below median its 10-year median of 0.80. Over the past 10 years, this metric has ranged from a low of 0.35 to a high of 1.28. The Chemicals industry median Cyclically Adjusted PS Ratio is 1.32. LyondellBasell Industries NV's value of 0.48 is 63.6% below this industry median. Based on the distribution chart, LyondellBasell Industries NV ranks #256 out of 1273 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, LyondellBasell Industries NV has a GF Score™ of 47/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does LyondellBasell Industries NV's Cyclically Adjusted PS Ratio compare to IFF and DD?
According to the Chemicals industry distribution chart, LyondellBasell Industries NV ranks #256 out of 1273 companies for Cyclically Adjusted PS Ratio. This places LyondellBasell Industries NV in the top 20% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PS Ratio is 1.32. LyondellBasell Industries NV's value of 0.48 is 63.6% below this benchmark. Historically, LyondellBasell Industries NV's own Cyclically Adjusted PS Ratio has ranged from 0.35 to 1.28 over the past decade. While the company's 10-year median is 0.80 vs. the industry median of 1.32, LyondellBasell Industries NV 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 Chemicals company?
The median Cyclically Adjusted PS Ratio among Chemicals companies is 1.32, based on 1,273 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. LyondellBasell Industries NV's current Cyclically Adjusted PS Ratio of 0.48 is 63.6% 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 LyondellBasell Industries NV and its competitors. For the Chemicals industry, the median Cyclically Adjusted PS Ratio is 1.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. LyondellBasell Industries NV's current Cyclically Adjusted PS Ratio is 0.48, which is 40% below median its own 10-year median of 0.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is LyondellBasell Industries NV stock overvalued right now?
Based on GuruFocus' analysis, LyondellBasell Industries NV (MIL:1LYB) is currently considered Modestly Undervalued. The stock's GF Value™ is €63.75, compared to a current price of €54.56 — trading 14.4% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 0.48, which is 40% below median its 10-year median of 0.80 and 63.6% below the Chemicals industry median of 1.32. LyondellBasell Industries NV's overall GF Score™ is 47/100 with 6 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 LyondellBasell Industries NV (MIL:1LYB), the current Cyclically Adjusted PS Ratio is 0.48 as of Aug. 27, 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 LyondellBasell Industries NV (MIL:1LYB) Overvalued in 2026?
Based on GuruFocus' analysis, LyondellBasell Industries NV stock appears to be undervalued.
The current stock price of €54.56 is trading 14.4% below its estimated GF Value™ of €63.75.
GuruFocus considers LyondellBasell Industries NV to be Modestly Undervalued.
Key valuation signals for MIL:1LYB:
Cyclically Adjusted PS Ratio: 0.48 (40% below median its 10-year median of 0.80)
GF Value™: €63.75 vs. price of €54.56 (14.4% below fair value)
Industry Position: 63.6% below the Chemicals median (#256 of 1273)
No single metric tells the full story. See the MIL:1LYB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
LyondellBasell is a petrochemical producer with operations in the United States, Europe, and Asia. The company is the world's largest producer of polypropylene and also a major producer of polyethylene and propylene oxide. Its chemicals are used in various consumer and industrial end products. Well over half of LyondellBasell's production comes from its North American operations.
47GF Score
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