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.
Supreme PetrochemNSE:SPLPETRO +4.08%78 Shiller PE Ratio is 38.21 as of Sep. 08, 2026, which is 9% above its 10-year median of 35.00. GuruFocus rates NSE:SPLPETRO with a GF Score™ of 78/100 and a GF Value™ of ₹711.24 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 1,085 Chemicals companies, Supreme Petrochem ranks worse than 70.14% on this metric.
The historical rank and industry rank for Supreme Petrochem's Shiller PE Ratio or its related term are showing as below:
NSE:SPLPETRO'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 12.8 Med: 35 Max: 54.36
Current: 36.7
During the past years, Supreme Petrochem's highest Shiller PE Ratio was 54.36. The lowest was 12.80. And the median was 35.00.
NSE:SPLPETRO's Shiller PE Ratio is ranked worse than 70.14% of 1085
companies
in the Chemicals industry
Industry Median: 22.27
vs NSE:SPLPETRO: 36.70
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Supreme Petrochem's adjusted earnings per share data for the three months ended in Jun. 2026 was ₹12.620. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is ₹21.00 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Supreme Petrochem (NSE:SPLPETRO) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Supreme Petrochem Shiller PE Ratio Related Terms
Supreme Petrochem Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Supreme Petrochem's Shiller PE 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.
NSE:SPLPETRO vs LIN, SHW, ECL: Shiller PE Ratio Comparison
For the Specialty Chemicals subindustry, Supreme Petrochem's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.
Supreme Petrochem Shiller PE Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Supreme Petrochem's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Supreme Petrochem's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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.
Supreme Petrochem's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Supreme Petrochem's adjusted earnings per share data for the three months ended in Jun. 2026 was:
Add all the adjusted EPS together and divide 10 will get our E10.
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.
Supreme Petrochem (NSE:SPLPETRO) has a Shiller PE Ratio of 38.21 as of Sep. 08, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Supreme Petrochem and its competitors. This is near median its historical median of 35.00. Over the past decade, Supreme Petrochem's Shiller PE Ratio has ranged from 12.80 to 54.36. According to the industry distribution chart, Supreme Petrochem ranks #761 out of 1085 companies in the Chemicals industry, placing it in the top 70.1%.
Is Supreme Petrochem's Shiller PE Ratio too high?
Supreme Petrochem's current Shiller PE Ratio of 38.21 is near median its 10-year median of 35.00. Over the past 10 years, this metric has ranged from a low of 12.80 to a high of 54.36. The Chemicals industry median Shiller PE Ratio is 22.27. Supreme Petrochem's value of 38.21 is 71.6% above this industry median. Based on the distribution chart, Supreme Petrochem ranks #761 out of 1085 companies in the Chemicals industry, which is below the industry midpoint. Overall, Supreme Petrochem has a GF Score™ of 78/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Supreme Petrochem's Shiller PE Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Supreme Petrochem ranks #761 out of 1085 companies for Shiller PE Ratio. This places Supreme Petrochem in the lower half of its industry. The industry median Shiller PE Ratio is 22.27. Supreme Petrochem's value of 38.21 is 71.6% above this benchmark. Historically, Supreme Petrochem's own Shiller PE Ratio has ranged from 12.80 to 54.36 over the past decade. While the company's 10-year median is 35.00 vs. the industry median of 22.27, Supreme Petrochem 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 Shiller PE Ratio for a Chemicals company?
The median Shiller PE Ratio among Chemicals companies is 22.27, based on 1,085 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Supreme Petrochem's current Shiller PE Ratio of 38.21 is 71.6% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Supreme Petrochem and its competitors. For the Chemicals industry, the median Shiller PE Ratio is 22.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Supreme Petrochem's current Shiller PE Ratio is 38.21, which is near median its own 10-year median of 35.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Supreme Petrochem stock overvalued right now?
Based on GuruFocus' analysis, Supreme Petrochem (NSE:SPLPETRO) is currently considered Modestly Overvalued. The stock's GF Value™ is ₹711.24, compared to a current price of ₹802.50 — trading 12.8% above its estimated fair value. The current Shiller PE Ratio is 38.21, which is near median its 10-year median of 35.00 and 71.6% above the Chemicals industry median of 22.27. Supreme Petrochem's overall GF Score™ is 78/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Supreme Petrochem (NSE:SPLPETRO), the current Shiller PE Ratio is 38.21 as of Sep. 08, 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 Supreme Petrochem (NSE:SPLPETRO) Overvalued in 2026?
Based on GuruFocus' analysis, Supreme Petrochem stock appears to be overvalued.
The current stock price of ₹802.50 is trading 12.8% above its estimated GF Value™ of ₹711.24.
GuruFocus considers Supreme Petrochem to be Modestly Overvalued.
Key valuation signals for NSE:SPLPETRO:
Shiller PE Ratio: 38.21 (near median its 10-year median of 35.00)
GF Value™: ₹711.24 vs. price of ₹802.50 (12.8% above fair value)
Industry Position: 71.6% above the Chemicals median (#761 of 1085)
No single metric tells the full story. See the NSE:SPLPETRO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Supreme Petrochem Ltd manufactures and trades in petrochemicals. The company owns production facilities at Raigad, Maharashtra, and in Chennai, Tamil Nadu. Its product portfolio consists of general-purpose polystyrene, specialty polystyrene, masterbatches, high-impact polystyrene, FR high-impact polystyrene, toughened polystyrene, and extruded polystyrene foam boards, among others. Supreme Petrochem has only one primary reporting segment, styrenics. Geographically, the majority of its revenue is generated from India, followed by other markets outside India.
78GF Score
Get the complete analysis for NSE:SPLPETRO
Shiller PE 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
NSE:SPLPETRO has been successfully added to your 
