KOS (Kosmos Energy) Cyclically Adjusted PB Ratio: 0.89 (As of Jun. 30, 2026) — 35% Below Median


KOS Kosmos Energy Ltd KOS
62 GF Score
Price $2.08
GF Value $3.13
Valuation Possible Value Trap
! 7 Warning Signs
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What is Kosmos Energy Cyclically Adjusted PB Ratio?

Kosmos Energy KOS -4.59% 62 Cyclically Adjusted PB Ratio is 0.89 as of Jun. 30, 2026, which is 35% below its 10-year median of 1.37. GuruFocus rates KOS with a GF Score™ of 62/100 and a GF Value™ of $3.13 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 775 Oil & Gas companies, Kosmos Energy ranks better than 58.71% on this metric.

As of today (2026-06-30), Kosmos Energy's current share price is $2.08. Kosmos Energy's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $2.34. Kosmos Energy's Cyclically Adjusted PB Ratio for today is 0.89.

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

KOS' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.23   Med: 1.37   Max: 3.07
Current: 0.89

During the past years, Kosmos Energy's highest Cyclically Adjusted PB Ratio was 3.07. The lowest was 0.23. And the median was 1.37.

KOS's Cyclically Adjusted PB Ratio is ranked better than
58.71% of 775 companies
in the Oil & Gas industry
Industry Median: 1.17 vs KOS: 0.89

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.

Kosmos Energy's adjusted book value per share data for the three months ended in Mar. 2026 was $0.868. 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 $2.34 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Kosmos Energy  (NYSE:KOS) 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.


Kosmos Energy Cyclically Adjusted PB Ratio Related Terms


Kosmos Energy Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Kosmos Energy'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.

Kosmos Energy Cyclically Adjusted PB Ratio Chart

Kosmos Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.28 2.34 2.51 1.32 0.38

Kosmos Energy 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 0.89 0.68 0.67 0.38 1.19

KOS vs DMLP, KRP, TBN: Cyclically Adjusted PB Ratio Comparison

For the Oil & Gas E&P subindustry, Kosmos Energy'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.


Kosmos Energy Cyclically Adjusted PB Ratio vs Oil & Gas Industry

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

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


KOS
62GF Score
Kosmos Energy Ltd KOS
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Kosmos Energy 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.

Kosmos Energy's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=2.08/2.34
=0.89

* 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.

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

For example, Kosmos Energy'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)
=0.868/330.2130*330.2130
=0.868

Current CPI (Mar. 2026) = 330.2130.

Kosmos Energy Quarterly Data

Book Value per Share CPI Adj_Book
201606 3.052 241.018 4.181
201609 2.918 241.428 3.991
201612 2.796 241.432 3.824
201703 2.738 243.801 3.708
201706 2.731 244.955 3.682
201709 2.592 246.819 3.468
201712 2.304 246.524 3.086
201803 2.131 249.554 2.820
201806 1.868 251.989 2.448
201809 2.156 252.439 2.820
201812 2.362 251.233 3.105
201903 2.185 254.202 2.838
201906 2.203 256.143 2.840
201909 2.219 256.759 2.854
201912 2.096 256.974 2.693
202003 1.593 258.115 2.038
202006 1.121 257.797 1.436
202009 1.050 260.280 1.332
202012 1.086 260.474 1.377
202103 0.875 264.877 1.091
202106 0.752 271.696 0.914
202109 0.702 274.310 0.845
202112 1.171 278.802 1.387
202203 1.178 287.504 1.353
202206 1.453 296.311 1.619
202209 1.960 296.808 2.181
202212 1.728 296.797 1.923
202303 1.892 301.836 2.070
202306 1.965 305.109 2.127
202309 2.173 307.789 2.331
202312 2.244 306.746 2.416
202403 2.273 312.332 2.403
202406 2.421 314.175 2.545
202409 2.537 315.301 2.657
202412 2.544 315.605 2.662
202503 2.298 319.799 2.373
202506 2.128 322.561 2.178
202509 1.879 324.800 1.910
202512 1.105 324.054 1.126
202603 0.868 330.213 0.868

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 0.89 mean?
Kosmos Energy (KOS) has a Cyclically Adjusted PB Ratio of 0.89 as of Jun. 30, 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 Kosmos Energy and its competitors. This is 35% below median its historical median of 1.37. Over the past decade, Kosmos Energy's Cyclically Adjusted PB Ratio has ranged from 0.23 to 3.07. According to the industry distribution chart, Kosmos Energy ranks #320 out of 775 companies in the Oil & Gas industry, placing it in the top 41.3%.
Is Kosmos Energy's Cyclically Adjusted PB Ratio too high?
Kosmos Energy's current Cyclically Adjusted PB Ratio of 0.89 is 35% below median its 10-year median of 1.37. Over the past 10 years, this metric has ranged from a low of 0.23 to a high of 3.07. The Oil & Gas industry median Cyclically Adjusted PB Ratio is 1.17. Kosmos Energy's value of 0.89 is 23.9% below this industry median. Based on the distribution chart, Kosmos Energy ranks #320 out of 775 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Kosmos Energy has a GF Score™ of 62/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Kosmos Energy's Cyclically Adjusted PB Ratio compare to DMLP and KRP?
According to the Oil & Gas industry distribution chart, Kosmos Energy ranks #320 out of 775 companies for Cyclically Adjusted PB Ratio. This puts Kosmos Energy in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.17. Kosmos Energy's value of 0.89 is 23.9% below this benchmark. Historically, Kosmos Energy's own Cyclically Adjusted PB Ratio has ranged from 0.23 to 3.07 over the past decade. While the company's 10-year median is 1.37 vs. the industry median of 1.17, Kosmos Energy 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 an Oil & Gas company?
The median Cyclically Adjusted PB Ratio among Oil & Gas companies is 1.17, based on 775 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. Kosmos Energy's current Cyclically Adjusted PB Ratio of 0.89 is 23.9% 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 Kosmos Energy and its competitors. For the Oil & Gas industry, the median Cyclically Adjusted PB Ratio is 1.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kosmos Energy's current Cyclically Adjusted PB Ratio is 0.89, which is 35% below median its own 10-year median of 1.37. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Kosmos Energy stock overvalued right now?
Based on GuruFocus' analysis, Kosmos Energy (KOS) is currently considered Possible Value Trap. The stock's GF Value™ is $3.13, compared to a current price of $2.08 — trading 33.5% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.89, which is 35% below median its 10-year median of 1.37 and 23.9% below the Oil & Gas industry median of 1.17. Kosmos Energy's overall GF Score™ is 62/100 with 7 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 Kosmos Energy (KOS), the current Cyclically Adjusted PB Ratio is 0.89 as of Jun. 30, 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 Kosmos Energy (KOS) Overvalued in 2026?

Based on GuruFocus' analysis, Kosmos Energy stock appears to be undervalued. The current stock price of $2.08 is trading 33.5% below its estimated GF Value™ of $3.13. GuruFocus considers Kosmos Energy to be Possible Value Trap.

Key valuation signals for KOS:

  • Cyclically Adjusted PB Ratio: 0.89 (35% below median its 10-year median of 1.37)
  • GF Value™: $3.13 vs. price of $2.08 (33.5% below fair value)
  • GF Score™: 62/100 with 7 warning signs
  • Industry Position: 23.9% below the Oil & Gas median (#320 of 775)

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


Kosmos Energy Business Description

Industry EnergyOil & Gas
Address 8176 Park Lane, Suite 500, Dallas, TX, USA, 75231
Kosmos Energy Ltd is a deepwater exploration and production company focused on meeting the world's growing demand for energy. It has diversified oil and gas production from assets offshore Ghana, Equatorial Guinea, Mauritania, Senegal and the Gulf of America. The Company had operations in four geographic reporting segments: Ghana, Equatorial Guinea, Mauritania/Senegal and the Gulf of America. The majority of revenue is derived from the Ghana segment.
62GF Score

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

$2.08
Price
$3.13
GF Value