Inpex (IPXHF) Cyclically Adjusted PB Ratio: 1.39 (As of Jul. 15, 2026) — 101% Above Median

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Director of Data and Quant Analytics at GuruFocus
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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.

IPXHF Inpex Corp IPXHF
65 GF Score
Price $19.76
GF Value $10.79
Valuation Significantly Overvalued
! 3 Warning Signs
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What is Inpex Cyclically Adjusted PB Ratio?

Inpex IPXHF 65 Cyclically Adjusted PB Ratio is 1.39 as of Jul. 15, 2026, which is 101% above its 10-year median of 0.69. GuruFocus rates IPXHF with a GF Score™ of 65/100 and a GF Value™ of $10.79 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 773 Oil & Gas companies, Inpex ranks worse than 50.19% on this metric.

As of today (2026-07-15), Inpex's current share price is $19.76. Inpex's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was $14.26. Inpex's Cyclically Adjusted PB Ratio for today is 1.39.

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

IPXHF' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.26   Med: 0.69   Max: 1.74
Current: 1.19

During the past years, Inpex's highest Cyclically Adjusted PB Ratio was 1.74. The lowest was 0.26. And the median was 0.69.

IPXHF's Cyclically Adjusted PB Ratio is ranked worse than
50.19% of 773 companies
in the Oil & Gas industry
Industry Median: 1.18 vs IPXHF: 1.19

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.

Inpex's adjusted book value per share data for the three months ended in Dec. 2025 was $26.126. 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 $14.26 for the trailing ten years ended in Dec. 2025.

Shiller PE for Stocks: The True Measure of Stock Valuation


Inpex  (OTCPK:IPXHF) 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.


Inpex Cyclically Adjusted PB Ratio Related Terms


Inpex Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Inpex'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.

Inpex Cyclically Adjusted PB Ratio Chart

Inpex Annual Data
Trend Mar16 Mar17 Mar18 Mar19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.51 0.64 0.81 0.76 1.11

Inpex 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 0.77 0.75 0.97 1.11 0.00

IPXHF vs COP, EOG, FANG: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas E&P subindustry, Inpex'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.


Inpex Cyclically Adjusted PB Ratio vs Oil & Gas Industry

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

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


IPXHF
65GF Score
Inpex Corp IPXHF
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Inpex 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.

Inpex's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=19.76/14.26
=1.39

* 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.

Inpex's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 is calculated as:

For example, Inpex's adjusted Book Value per Share data for the three months ended in Dec. 2025 was:

Adj_Book=Book Value per Share/CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=26.126/113.0000*113.0000
=26.126

Current CPI (Dec. 2025) = 113.0000.

Inpex Quarterly Data

Book Value per Share CPI Adj_Book
201603 17.784 97.900 20.527
201606 18.221 98.100 20.989
201609 18.526 98.000 21.362
201612 17.190 98.400 19.741
201703 17.848 98.100 20.559
201706 18.071 98.500 20.731
201709 18.229 98.800 20.849
201712 18.072 99.400 20.545
201803 18.834 99.200 21.454
201806 18.327 99.200 20.877
201809 18.492 99.900 20.917
201812 18.299 99.700 20.740
201903 18.525 99.700 20.996
201906 18.708 99.800 21.182
201909 18.867 100.100 21.298
201912 19.087 100.500 21.461
202003 18.993 100.300 21.398
202006 17.837 99.900 20.176
202009 17.898 99.900 20.245
202012 18.056 99.300 20.547
202103 18.411 99.900 20.825
202106 18.217 99.500 20.689
202109 18.825 100.100 21.251
202112 19.794 100.100 22.345
202203 21.577 101.100 24.117
202206 21.465 101.800 23.827
202209 20.410 103.100 22.370
202212 21.330 104.100 23.154
202303 22.327 104.400 24.166
202306 23.114 105.200 24.828
202309 22.672 106.200 24.124
202312 23.234 106.800 24.583
202403 24.223 107.200 25.534
202406 25.014 108.200 26.124
202409 24.723 108.900 25.654
202412 26.176 110.700 26.720
202503 25.939 111.100 26.383
202506 26.510 111.700 26.819
202509 25.578 112.000 25.806
202512 26.126 113.000 26.126

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 1.39 mean?
Inpex (IPXHF) has a Cyclically Adjusted PB Ratio of 1.39 as of Jul. 15, 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 Inpex and its competitors. This is 101% above median its historical median of 0.69. Over the past decade, Inpex's Cyclically Adjusted PB Ratio has ranged from 0.26 to 1.74. According to the industry distribution chart, Inpex ranks #388 out of 773 companies in the Oil & Gas industry, placing it in the top 50.2%.
Is Inpex's Cyclically Adjusted PB Ratio too high?
Inpex's current Cyclically Adjusted PB Ratio of 1.39 is 101% above median its 10-year median of 0.69. Over the past 10 years, this metric has ranged from a low of 0.26 to a high of 1.74. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.18. Inpex's value of 1.39 is 17.8% above this industry median. Based on the distribution chart, Inpex ranks #388 out of 773 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, Inpex has a GF Score™ of 65/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Inpex's Cyclically Adjusted PB Ratio compare to COP and EOG?
According to the Oil & Gas industry distribution chart, Inpex ranks #388 out of 773 companies for Cyclically Adjusted PB Ratio. This places Inpex in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.18. Inpex's value of 1.39 is 17.8% above this benchmark. Historically, Inpex's own Cyclically Adjusted PB Ratio has ranged from 0.26 to 1.74 over the past decade. While the company's 10-year median is 0.69 vs. the industry median of 1.18, Inpex 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 1.18, based on 773 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. Inpex's current Cyclically Adjusted PB Ratio of 1.39 is 17.8% 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 Inpex and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Inpex's current Cyclically Adjusted PB Ratio is 1.39, which is 101% above median its own 10-year median of 0.69. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Inpex stock overvalued right now?
Based on GuruFocus' analysis, Inpex (IPXHF) is currently considered Significantly Overvalued. The stock's GF Value™ is $10.79, compared to a current price of $19.76 — trading 83.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.39, which is 101% above median its 10-year median of 0.69 and 17.8% above the Oil & Gas industry median of 1.18. Inpex's overall GF Score™ is 65/100 with 3 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 Inpex (IPXHF), the current Cyclically Adjusted PB Ratio is 1.39 as of Jul. 15, 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 Inpex (IPXHF) Overvalued in 2026?

Based on GuruFocus' analysis, Inpex stock appears to be overvalued. The current stock price of $19.76 is trading 83.1% above its estimated GF Value™ of $10.79. GuruFocus considers Inpex to be Significantly Overvalued.

Key valuation signals for IPXHF:

  • Cyclically Adjusted PB Ratio: 1.39 (101% above median its 10-year median of 0.69)
  • GF Value™: $10.79 vs. price of $19.76 (83.1% above fair value)
  • GF Score™: 65/100 with 3 warning signs
  • Industry Position: 17.8% above the Oil & Gas median (#388 of 773)

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


Inpex Business Description

Industry EnergyOil & Gas
Address 3-1 Akasaka 5-chome, Akasaka Biz Tower, Minato-ku, Tokyo, JPN, 107-6332
Headquartered in Tokyo, Inpex was founded in 2008 through a merger with Teikoku Oil. The precursor Inpex began life in 1966 as North Sumatra Offshore Petroleum Exploration and discovered the Attaka field in Indonesia in 1970 before acquiring the ADMA Block offshore the United Arab Emirates in 1973 and then discovering the Kashagan oilfield in Kazakhstan and Ichthys and Abadi gasfields in the Timor Sea in 2000. Teikoku Oil was founded in 1941 as a semigovernment entity and discovered Japan's largest natural gas reserves in Minami-Nagaoka in 1979. Inpex is Japan's largest hydrocarbon producer, with oil and gas projects across multiple continents. It produces around 230 million barrels of oil equivalent per year and has 6.2 billion barrels of oil equivalent in proven and probable reserves.
65GF Score

Get the complete analysis for IPXHF

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

$19.76
Price
$10.79
GF Value