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.
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.
InPlay OilIPOOF +1.66%60 Shiller PE Ratio is 27.27 as of Aug. 23, 2026, which is 21% above its 10-year median of 22.63. GuruFocus rates IPOOF with a GF Score™ of 60/100 and a GF Value™ of $10.71 (Modestly Overvalued). The stock has 13 warning signs investors should review. Among 442 Oil & Gas companies, InPlay Oil ranks worse than 67.87% on this metric.
As of today (2026-08-23), InPlay Oil's current share price is $12.819. InPlay Oil's E10 for the quarter that ended in Jun. 2026 was $0.47. InPlay Oil's Shiller PE Ratio for today is 27.27.
The historical rank and industry rank for InPlay Oil's Shiller PE Ratio or its related term are showing as below:
IPOOF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 21.39 Med: 22.63 Max: 26.49
Current: 26.49
During the past years, InPlay Oil's highest Shiller PE Ratio was 26.49. The lowest was 21.39. And the median was 22.63.
IPOOF's Shiller PE Ratio is ranked worse than 67.87% of 442
companies
in the Oil & Gas industry
Industry Median: 17.75
vs IPOOF: 26.49
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.
InPlay Oil's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.556. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.47 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
InPlay Oil (OTCPK:IPOOF) 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.
InPlay Oil Shiller PE Ratio Related Terms
InPlay Oil Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for InPlay Oil'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.
IPOOF vs COP, EOG, FANG: Shiller PE Ratio Comparison
For the Oil & Gas E&P subindustry, InPlay Oil'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.
InPlay Oil Shiller PE Ratio vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, InPlay Oil's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where InPlay Oil's Shiller PE Ratio falls into.
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.
InPlay Oil's Shiller PE Ratio for today is calculated as
* 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.
InPlay Oil's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, InPlay Oil's adjusted earnings per share data for the three months ended in Jun. 2026 was:
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.
InPlay Oil (IPOOF) has a Shiller PE Ratio of 27.27 as of Aug. 23, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on InPlay Oil and its competitors. This is 21% above median its historical median of 22.63. Over the past decade, InPlay Oil's Shiller PE Ratio has ranged from 21.39 to 26.49. According to the industry distribution chart, InPlay Oil ranks #300 out of 442 companies in the Oil & Gas industry, placing it in the top 67.9%.
Is InPlay Oil's Shiller PE Ratio too high?
InPlay Oil's current Shiller PE Ratio of 27.27 is 21% above median its 10-year median of 22.63. Over the past 10 years, this metric has ranged from a low of 21.39 to a high of 26.49. The Oil & Gas industry median Shiller PE Ratio is 17.75. InPlay Oil's value of 27.27 is 53.6% above this industry median. Based on the distribution chart, InPlay Oil ranks #300 out of 442 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, InPlay Oil has a GF Score™ of 60/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does InPlay Oil's Shiller PE Ratio compare to COP and EOG?
According to the Oil & Gas industry distribution chart, InPlay Oil ranks #300 out of 442 companies for Shiller PE Ratio. This places InPlay Oil in the lower half of its industry. The industry median Shiller PE Ratio is 17.75. InPlay Oil's value of 27.27 is 53.6% above this benchmark. Historically, InPlay Oil's own Shiller PE Ratio has ranged from 21.39 to 26.49 over the past decade. While the company's 10-year median is 22.63 vs. the industry median of 17.75, InPlay 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 Shiller PE Ratio for an Oil & Gas company?
The median Shiller PE Ratio among Oil & Gas companies is 17.75, based on 442 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. InPlay Oil's current Shiller PE Ratio of 27.27 is 53.6% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on InPlay Oil and its competitors. For the Oil & Gas industry, the median Shiller PE Ratio is 17.75 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. InPlay Oil's current Shiller PE Ratio is 27.27, which is 21% above median its own 10-year median of 22.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is InPlay Oil stock overvalued right now?
Based on GuruFocus' analysis, InPlay Oil (IPOOF) is currently considered Modestly Overvalued. The stock's GF Value™ is $10.71, compared to a current price of $12.82 — trading 19.7% above its estimated fair value. The current Shiller PE Ratio is 27.27, which is 21% above median its 10-year median of 22.63 and 53.6% above the Oil & Gas industry median of 17.75. InPlay Oil's overall GF Score™ is 60/100 with 13 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For InPlay Oil (IPOOF), the current Shiller PE Ratio is 27.27 as of Aug. 23, 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 InPlay Oil (IPOOF) Overvalued in 2026?
Based on GuruFocus' analysis, InPlay Oil stock appears to be overvalued.
The current stock price of $12.82 is trading 19.7% above its estimated GF Value™ of $10.71.
GuruFocus considers InPlay Oil to be Modestly Overvalued.
Key valuation signals for IPOOF:
Shiller PE Ratio: 27.27 (21% above median its 10-year median of 22.63)
GF Value™: $10.71 vs. price of $12.82 (19.7% above fair value)
Industry Position: 53.6% above the Oil & Gas median (#300 of 442)
No single metric tells the full story. See the IPOOF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
InPlay Oil Corp is engaged in the acquisition, exploration, and development of petroleum and natural gas properties, and the production and sale of crude oil, natural gas, and natural gas liquids. Its petroleum and natural gas operations are located in Alberta, Canada. The company operates long-lived, low-decline properties with drilling development and enhanced oil recovery potential, as well as undeveloped lands with exploration possibilities. It generates maximum revenue from the sale of oil, followed by the sale of natural gas and natural gas liquids.
60GF Score
Get the complete analysis for IPOOF
Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
IPOOF has been successfully added to your 
