Kosmos Energy (CHIX:KOSL) Shiller PE Ratio: (As of Aug. 10, 2026)

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CHIX:KOSL Kosmos Energy Ltd CHIX:KOSL
65 GF Score
Price £1.86
GF Value £2.18
Valuation Modestly Undervalued
! 8 Warning Signs
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What is Kosmos Energy Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Kosmos Energy  (CHIX:KOSl) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.


Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.


Kosmos Energy Shiller PE Ratio Related Terms


Kosmos Energy Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Kosmos Energy's Shiller PE 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 Shiller PE Ratio Chart

Kosmos Energy Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

Kosmos Energy Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE 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 0.00 0.00 0.00 0.00 0.00

CHIX:KOSL vs KRP, DMLP, TBN: Shiller PE Ratio Comparison

For the Oil & Gas E&P subindustry, Kosmos Energy's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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 Shiller PE Ratio vs Oil & Gas Industry

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

* The bar in red indicates where Kosmos Energy's Shiller PE Ratio falls into.


CHIX:KOSL
65GF Score
Kosmos Energy Ltd CHIX:KOSL
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Kosmos Energy Shiller PE Ratio Calculation

For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

Kosmos Energy's E10 for the quarter that ended in Jun. 2026 is calculated as:

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

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=0.233/333.9520*333.9520
=0.233

Current CPI (Jun. 2026) = 333.9520.

Kosmos Energy Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201609 -0.114 241.428 -0.158
201612 -0.120 241.432 -0.166
201703 -0.057 243.801 -0.078
201706 -0.016 244.955 -0.022
201709 -0.120 246.819 -0.162
201712 -0.231 246.524 -0.313
201803 -0.093 249.554 -0.124
201806 -0.196 251.989 -0.260
201809 -0.237 252.439 -0.314
201812 0.340 251.233 0.452
201903 -0.099 254.202 -0.130
201906 0.032 256.143 0.042
201909 0.032 256.759 0.042
201912 -0.069 256.974 -0.090
202003 -0.364 258.115 -0.471
202006 -0.392 257.797 -0.508
202009 -0.069 260.280 -0.089
202012 0.015 260.474 0.019
202103 -0.159 264.877 -0.200
202106 -0.100 271.696 -0.123
202109 -0.051 274.310 -0.062
202112 0.165 278.802 0.198
202203 0.002 287.504 0.002
202206 0.203 296.311 0.229
202209 0.415 296.808 0.467
202212 -0.205 296.797 -0.231
202303 0.140 301.836 0.155
202306 0.040 305.109 0.044
202309 0.145 307.789 0.157
202312 0.032 306.746 0.035
202403 0.150 312.332 0.160
202406 0.094 314.175 0.100
202409 0.068 315.301 0.072
202412 -0.008 315.605 -0.008
202503 -0.178 319.799 -0.186
202506 -0.133 322.561 -0.138
202509 -0.192 324.800 -0.197
202512 -0.590 324.054 -0.608
202603 -0.338 330.213 -0.342
202606 0.233 333.952 0.233

Add all the adjusted EPS together and divide 10 will get our E10.

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.

Is Kosmos Energy (CHIX:KOSL) Overvalued in 2026?

Based on GuruFocus' analysis, Kosmos Energy stock appears to be undervalued. The current stock price of £1.86 is trading 14.7% below its estimated GF Value™ of £2.18. GuruFocus considers Kosmos Energy to be Modestly Undervalued.

Key valuation signals for CHIX:KOSL:

  • Shiller PE Ratio:
  • GF Value™: £2.18 vs. price of £1.86 (14.7% below fair value)
  • GF Score™: 65/100 with 8 warning signs

No single metric tells the full story. See the CHIX:KOSL 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.
65GF Score

Get the complete analysis for CHIX:KOSL

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

£1.86
Price
£2.18
GF Value