Indian Oil (NSE:IOC) Cyclically Adjusted PB Ratio: 1.23 (As of Jul. 27, 2026) — Near Median

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Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

NSE:IOC Indian Oil Corp Ltd NSE:IOC
77 GF Score
Price ₹141.52
GF Value ₹156.77
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Indian Oil Cyclically Adjusted PB Ratio?

Indian Oil NSE:IOC +2.20% 77 Cyclically Adjusted PB Ratio is 1.23 as of Jul. 27, 2026, which is 8% below its 10-year median of 1.33. GuruFocus rates NSE:IOC with a GF Score™ of 77/100 and a GF Value™ of ₹156.77 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 766 Oil & Gas companies, Indian Oil ranks better than 50.52% on this metric.

As of today (2026-07-27), Indian Oil's current share price is ₹141.52. Indian Oil's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ₹115.14. Indian Oil's Cyclically Adjusted PB Ratio for today is 1.23.

The historical rank and industry rank for Indian Oil's Cyclically Adjusted PB Ratio or its related term are showing as below:

NSE:IOC' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.89   Med: 1.33   Max: 1.77
Current: 1.2

During the past years, Indian Oil's highest Cyclically Adjusted PB Ratio was 1.77. The lowest was 0.89. And the median was 1.33.

NSE:IOC's Cyclically Adjusted PB Ratio is ranked better than
50.52% of 766 companies
in the Oil & Gas industry
Industry Median: 1.215 vs NSE:IOC: 1.20

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.

Indian Oil's adjusted book value per share data for the three months ended in Mar. 2026 was ₹155.452. 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 ₹115.14 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Indian Oil  (NSE:IOC) 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.


Indian Oil Cyclically Adjusted PB Ratio Related Terms


Indian Oil Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Indian Oil'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.

Indian Oil Cyclically Adjusted PB Ratio Chart

Indian Oil Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.90 1.73 1.22 1.18

Indian Oil Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.22 0.00 1.36 0.00 1.18

NSE:IOC vs MPC, VLO, PSX: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas Refining & Marketing subindustry, Indian Oil'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.


Indian Oil Cyclically Adjusted PB Ratio vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Indian Oil's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Indian Oil's Cyclically Adjusted PB Ratio falls into.


NSE:IOC
77GF Score
Indian Oil Corp Ltd NSE:IOC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Indian Oil 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.

Indian Oil's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=141.52/115.14
=1.23

* 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.

Indian Oil's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Indian Oil's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=155.452/164.2724*164.2724
=155.452

Current CPI (Mar. 2026) = 164.2724.

Indian Oil Quarterly Data

Book Value per Share CPI Adj_Book
201403 46.619 91.425 83.765
201503 60.748 97.163 102.706
201603 61.766 102.518 98.972
201703 70.084 105.196 109.442
201706 0.000 107.109 0.000
201709 0.000 109.021 0.000
201712 0.000 109.404 0.000
201803 78.169 109.786 116.964
201806 0.000 111.317 0.000
201809 83.882 115.142 119.674
201812 0.000 115.142 0.000
201903 79.645 118.202 110.687
201906 0.000 120.880 0.000
201909 79.918 123.175 106.583
201912 0.000 126.235 0.000
202003 67.556 124.705 88.991
202006 0.000 127.000 0.000
202009 73.533 130.118 92.835
202012 0.000 130.889 0.000
202103 79.198 131.771 98.733
202106 0.000 134.084 0.000
202109 90.817 135.847 109.820
202112 0.000 138.161 0.000
202203 96.964 138.822 114.741
202206 0.000 142.347 0.000
202209 92.214 144.661 104.715
202212 0.000 145.763 0.000
202303 101.456 146.865 113.482
202306 0.000 150.280 0.000
202309 121.131 151.492 131.350
202312 0.000 152.924 0.000
202403 133.185 153.035 142.965
202406 0.000 155.789 0.000
202409 128.434 157.882 133.632
202412 0.000 158.323 0.000
202503 135.415 157.552 141.191
202506 0.000 159.755 0.000
202509 139.569 162.289 141.275
202512 0.000 163.281 0.000
202603 155.452 164.272 155.452

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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 1.23 mean?
Indian Oil (NSE:IOC) has a Cyclically Adjusted PB Ratio of 1.23 as of Jul. 27, 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 Indian Oil and its competitors. This is near median its historical median of 1.33. Over the past decade, Indian Oil's Cyclically Adjusted PB Ratio has ranged from 0.89 to 1.77. According to the industry distribution chart, Indian Oil ranks #379 out of 766 companies in the Oil & Gas industry, placing it in the top 49.5%.
Is Indian Oil's Cyclically Adjusted PB Ratio too high?
Indian Oil's current Cyclically Adjusted PB Ratio of 1.23 is near median its 10-year median of 1.33. Over the past 10 years, this metric has ranged from a low of 0.89 to a high of 1.77. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.22. Indian Oil's value of 1.23 is 1.2% above this industry median. Based on the distribution chart, Indian Oil ranks #379 out of 766 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Indian Oil has a GF Score™ of 77/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Indian Oil's Cyclically Adjusted PB Ratio compare to MPC and VLO?
According to the Oil & Gas industry distribution chart, Indian Oil ranks #379 out of 766 companies for Cyclically Adjusted PB Ratio. This puts Indian Oil in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.22. Indian Oil's value of 1.23 is 1.2% above this benchmark. Historically, Indian Oil's own Cyclically Adjusted PB Ratio has ranged from 0.89 to 1.77 over the past decade. While the company's 10-year median is 1.33 vs. the industry median of 1.22, Indian Oil 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 Cyclically Adjusted PB Ratio for an Oil & Gas company?
The median Cyclically Adjusted PB Ratio among Oil & Gas companies is 1.22, based on 766 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. Indian Oil's current Cyclically Adjusted PB Ratio of 1.23 is 1.2% 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 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 Indian Oil and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.22 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Indian Oil's current Cyclically Adjusted PB Ratio is 1.23, which is near median its own 10-year median of 1.33. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Indian Oil stock overvalued right now?
Based on GuruFocus' analysis, Indian Oil (NSE:IOC) is currently considered Modestly Undervalued. The stock's GF Value™ is ₹156.77, compared to a current price of ₹141.52 — trading 9.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.23, which is near median its 10-year median of 1.33 and 1.2% above the Oil & Gas industry median of 1.22. Indian Oil's overall GF Score™ is 77/100 with 5 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 Indian Oil (NSE:IOC), the current Cyclically Adjusted PB Ratio is 1.23 as of Jul. 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 Indian Oil (NSE:IOC) Overvalued in 2026?

Based on GuruFocus' analysis, Indian Oil stock appears to be undervalued. The current stock price of ₹141.52 is trading 9.7% below its estimated GF Value™ of ₹156.77. GuruFocus considers Indian Oil to be Modestly Undervalued.

Key valuation signals for NSE:IOC:

  • Cyclically Adjusted PB Ratio: 1.23 (near median its 10-year median of 1.33)
  • GF Value™: ₹156.77 vs. price of ₹141.52 (9.7% below fair value)
  • GF Score™: 77/100 with 5 warning signs
  • Industry Position: 1.2% above the Oil & Gas median (#379 of 766)

No single metric tells the full story. See the NSE:IOC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Indian Oil Business Description

Industry EnergyOil & Gas
Other Exchanges 530965:India
Address J.B. Tito Marg, 3079/3, Sadiq Nagar, New Delhi, IND, 110049
Indian Oil Corp Ltd conducts business across the entire hydrocarbon value chain, from refining, pipeline transportation and marketing, to exploration and production of crude oil and gas, petrochemicals, gas marketing, alternative energy sources, and globalisation of downstream operations. The group is engaged in the following business segments: Sale of Petroleum Products, Sale of Petrochemicals, Sale of Gas, and the Other operating segment, which includes oil and gas exploration activities, explosives and cryogenic business, and windmill and solar power generation. The majority of its revenue is generated from the sale of petroleum products such as motor spirit, high speed diesel, liquified petroleum gas, aviation turbine fuel, and others. Geographically, it derives key revenue from India.
77GF Score

Get the complete analysis for NSE:IOC

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

₹141.52
Price
₹156.77
GF Value