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Tamilnadu PetroproductsNSE:TNPETRO +2.91%64 Cyclically Adjusted PB Ratio is 1.31 as of Aug. 18, 2026, which is 25% above its 10-year median of 1.05. GuruFocus rates NSE:TNPETRO with a GF Score™ of 64/100 and a GF Value™ of ₹70.26 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 1,203 Chemicals companies, Tamilnadu Petroproducts ranks better than 60.18% on this metric.
The historical rank and industry rank for Tamilnadu Petroproducts's Cyclically Adjusted PB Ratio or its related term are showing as below:
NSE:TNPETRO'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.88 Med: 1.05 Max: 1.45
Current: 1.28
During the past years, Tamilnadu Petroproducts's highest Cyclically Adjusted PB Ratio was 1.45. The lowest was 0.88. And the median was 1.05.
NSE:TNPETRO's Cyclically Adjusted PB Ratio is ranked better than 60.18% of 1203
companies
in the Chemicals industry
Industry Median: 1.68
vs NSE:TNPETRO: 1.28
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 PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Tamilnadu Petroproducts's adjusted book value per share data for the three months ended in Mar. 2026 was ₹113.112. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is ₹86.94 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Tamilnadu Petroproducts (NSE:TNPETRO) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value 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 PB Ratio should give similar results to regular PB Ratio.
Tamilnadu Petroproducts Cyclically Adjusted PB Ratio Related Terms
Tamilnadu Petroproducts Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Tamilnadu Petroproducts's Cyclically Adjusted PB 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.
Tamilnadu Petroproducts Cyclically Adjusted PB Ratio Chart
NSE:TNPETRO vs LIN, SHW, ECL: Cyclically Adjusted PB Ratio Comparison
For the Specialty Chemicals subindustry, Tamilnadu Petroproducts's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.
Tamilnadu Petroproducts Cyclically Adjusted PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Tamilnadu Petroproducts's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Tamilnadu Petroproducts's Cyclically Adjusted PB Ratio falls into.
Tamilnadu Petroproducts Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB 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 PB 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 PB Ratio of 1.31 mean?
Tamilnadu Petroproducts (NSE:TNPETRO) has a Cyclically Adjusted PB Ratio of 1.31 as of Aug. 18, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Tamilnadu Petroproducts and its competitors. This is 25% above median its historical median of 1.05. Over the past decade, Tamilnadu Petroproducts' Cyclically Adjusted PB Ratio has ranged from 0.88 to 1.45. According to the industry distribution chart, Tamilnadu Petroproducts ranks #479 out of 1203 companies in the Chemicals industry, placing it in the top 39.8%.
Is Tamilnadu Petroproducts' Cyclically Adjusted PB Ratio too high?
Tamilnadu Petroproducts' current Cyclically Adjusted PB Ratio of 1.31 is 25% above median its 10-year median of 1.05. Over the past 10 years, this metric has ranged from a low of 0.88 to a high of 1.45. The Chemicals industry median Cyclically Adjusted PB Ratio is 1.68. Tamilnadu Petroproducts' value of 1.31 is 22% below this industry median. Based on the distribution chart, Tamilnadu Petroproducts ranks #479 out of 1203 companies in the Chemicals industry, which is above the industry midpoint. Overall, Tamilnadu Petroproducts has a GF Score™ of 64/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tamilnadu Petroproducts' Cyclically Adjusted PB Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Tamilnadu Petroproducts ranks #479 out of 1203 companies for Cyclically Adjusted PB Ratio. This puts Tamilnadu Petroproducts in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.68. Tamilnadu Petroproducts' value of 1.31 is 22% below this benchmark. Historically, Tamilnadu Petroproducts' own Cyclically Adjusted PB Ratio has ranged from 0.88 to 1.45 over the past decade. While the company's 10-year median is 1.05 vs. the industry median of 1.68, Tamilnadu Petroproducts 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 PB Ratio for a Chemicals company?
The median Cyclically Adjusted PB Ratio among Chemicals companies is 1.68, based on 1,203 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Tamilnadu Petroproducts's current Cyclically Adjusted PB Ratio of 1.31 is 22% 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 PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Tamilnadu Petroproducts and its competitors. For the Chemicals industry, the median Cyclically Adjusted PB Ratio is 1.68 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tamilnadu Petroproducts's current Cyclically Adjusted PB Ratio is 1.31, which is 25% above median its own 10-year median of 1.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tamilnadu Petroproducts stock overvalued right now?
Based on GuruFocus' analysis, Tamilnadu Petroproducts (NSE:TNPETRO) is currently considered Significantly Overvalued. The stock's GF Value™ is ₹70.26, compared to a current price of ₹114.16 — trading 62.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.31, which is 25% above median its 10-year median of 1.05 and 22% below the Chemicals industry median of 1.68. Tamilnadu Petroproducts' overall GF Score™ is 64/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Tamilnadu Petroproducts (NSE:TNPETRO), the current Cyclically Adjusted PB Ratio is 1.31 as of Aug. 18, 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 Tamilnadu Petroproducts (NSE:TNPETRO) Overvalued in 2026?
Based on GuruFocus' analysis, Tamilnadu Petroproducts stock appears to be overvalued.
The current stock price of ₹114.16 is trading 62.5% above its estimated GF Value™ of ₹70.26.
GuruFocus considers Tamilnadu Petroproducts to be Significantly Overvalued.
Key valuation signals for NSE:TNPETRO:
Cyclically Adjusted PB Ratio: 1.31 (25% above median its 10-year median of 1.05)
GF Value™: ₹70.26 vs. price of ₹114.16 (62.5% above fair value)
Industry Position: 22% below the Chemicals median (#479 of 1203)
No single metric tells the full story. See the NSE:TNPETRO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tamilnadu Petroproducts Ltd is engaged in the manufacturing and sale of petrochemical products. Its product portfolio includes Linear Alkyl Benzene (LAB), Caustic Soda, Chlorine and Propylene Oxide. The company has its unit situated in Manali, Chennai. The company derives the majority of its revenue from the sale of Linear Alkyl Benzene (LAB) products followed by the sale of Propylene Oxide, and the sale of Caustic soda Lye. The company also generates a small amount of revenue from the sale of services. Geographically, it generates a majority of revenue from India.
64GF Score
Get the complete analysis for NSE:TNPETRO
Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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