Kosmos Energy (LSE:KOS) Cyclically Adjusted Book per Share: £ (As of Jun. 2026)

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LSE:KOS Kosmos Energy Ltd LSE:KOS
56 GF Score
Price £2.16
GF Value £2.21
Valuation Fairly Valued
! 9 Warning Signs
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What is Kosmos Energy Cyclically Adjusted Book per Share?

Kosmos Energy LSE:KOS -0.46% 56 Cyclically Adjusted Book per Share is £ as of Jun. 2026. GuruFocus rates LSE:KOS with a GF Score™ of 56/100 and a GF Value™ of £2.21 (Fairly Valued). The stock has 9 warning signs investors should review.

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. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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 for the three months ended in Jun. 2026 was £0.894. 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 £ for the trailing ten years ended in Jun. 2026.

During the past 12 months, Kosmos Energy's average Cyclically Adjusted Book Growth Rate was -9.50% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was -4.10% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was -1.70% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of Kosmos Energy was 1.40% per year. The lowest was -4.10% per year. And the median was -0.40% per year.

As of today (2026-09-21), Kosmos Energy's current stock price is £2.16. Kosmos Energy's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was £. Kosmos Energy's Cyclically Adjusted PB Ratio of today is .

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Kosmos Energy was 3.07. The lowest was 0.23. And the median was 1.32.


Kosmos Energy  (LSE:KOS) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Kosmos Energy was 3.07. The lowest was 0.23. And the median was 1.32.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


Kosmos Energy Cyclically Adjusted Book per Share Related Terms


Kosmos Energy Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Kosmos Energy's Cyclically Adjusted Book per Share 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 Book per Share Chart

Kosmos Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
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Kosmos Energy Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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LSE:KOS vs KRP, DMLP, TBN: Cyclically Adjusted Book per Share 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.


LSE:KOS
56GF Score
Kosmos Energy Ltd LSE:KOS
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Kosmos Energy Cyclically Adjusted Book per Share Calculation

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. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

For example, Kosmos Energy's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book= Book Value per Share /CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=0.894/333.9520*333.9520
=0.894

Current CPI (Jun. 2026) = 333.9520.

Kosmos Energy Quarterly Data

Book Value per Share CPI Adj_Book
201609 2.246 241.428 3.107
201612 2.262 241.432 3.129
201703 2.190 243.801 3.000
201706 2.103 244.955 2.867
201709 1.932 246.819 2.614
201712 1.703 246.524 2.307
201803 1.519 249.554 2.033
201806 1.415 251.989 1.875
201809 1.653 252.439 2.187
201812 1.854 251.233 2.464
201903 1.677 254.202 2.203
201906 1.731 256.143 2.257
201909 1.801 256.759 2.342
201912 1.582 256.974 2.056
202003 1.284 258.115 1.661
202006 0.907 257.797 1.175
202009 0.812 260.280 1.042
202012 0.794 260.474 1.018
202103 0.634 264.877 0.799
202106 0.545 271.696 0.670
202109 0.520 274.310 0.633
202112 0.788 278.802 0.944
202203 0.815 287.504 0.947
202206 1.198 296.311 1.350
202209 1.756 296.808 1.976
202212 1.437 296.797 1.617
202303 1.530 301.836 1.693
202306 1.545 305.109 1.691
202309 1.780 307.789 1.931
202312 1.760 306.746 1.916
202403 1.799 312.332 1.924
202406 1.915 314.175 2.036
202409 1.891 315.301 2.003
202412 2.031 315.605 2.149
202503 1.780 319.799 1.859
202506 1.553 322.561 1.608
202509 1.396 324.800 1.435
202512 0.822 324.054 0.847
202603 0.659 330.213 0.666
202606 0.894 333.952 0.894

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

What does a Cyclically Adjusted Book per Share of £ mean?
Kosmos Energy (LSE:KOS) has a Cyclically Adjusted Book per Share of £ as of Jun. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Kosmos Energy and its competitors.
Is Kosmos Energy's Cyclically Adjusted Book per Share too high?
Kosmos Energy's current Cyclically Adjusted Book per Share is £. Overall, Kosmos Energy has a GF Score™ of 56/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Kosmos Energy's Cyclically Adjusted Book per Share compare to KRP and DMLP?
Kosmos Energy's Cyclically Adjusted Book per Share of £ can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for an Oil & Gas company?
A good Cyclically Adjusted Book per Share depends on the Oil & Gas industry context. However, Cyclically Adjusted Book per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Kosmos Energy and its competitors. Kosmos Energy's current Cyclically Adjusted Book per Share is £. 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 (LSE:KOS) is currently considered Fairly Valued. The stock's GF Value™ is £2.21, compared to a current price of £2.16 — trading 2.3% below its estimated fair value. The current Cyclically Adjusted Book per Share is £. Kosmos Energy's overall GF Score™ is 56/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Kosmos Energy (LSE:KOS), the current Cyclically Adjusted Book per Share is £ as of Jun. 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 (LSE:KOS) Overvalued in 2026?

Based on GuruFocus' analysis, Kosmos Energy stock appears to be undervalued. The current stock price of £2.16 is trading 2.3% below its estimated GF Value™ of £2.21. GuruFocus considers Kosmos Energy to be Fairly Valued.

Key valuation signals for LSE:KOS:

  • Cyclically Adjusted Book per Share: £
  • GF Value™: £2.21 vs. price of £2.16 (2.3% below fair value)
  • GF Score™: 56/100 with 9 warning signs

No single metric tells the full story. See the LSE: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.
56GF Score

Get the complete analysis for LSE:KOS

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

£2.16
Price
£2.21
GF Value