Klappir Graenar Lausnir hf (OISE:KLAPP) Shiller PE Ratio: (As of Sep. 22, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

OISE:KLAPP Klappir Graenar Lausnir hf OISE:KLAPP
84 GF Score
Price kr640.00
GF Value kr661.09
! 1 Warning Sign
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What is Klappir Graenar Lausnir hf Shiller PE Ratio?

Note: If the price history is too short, we do not calculate current Shiller PE for this stock. All the historical data is shown as the company's primary share's data instead.

Klappir Graenar Lausnir hf does not have a history long enough to calculate E10. Therefore GuruFocus does not calculate Shiller PE Ratio for this company.

Shiller PE for Stocks: The True Measure of Stock Valuation


Klappir Graenar Lausnir hf  (OISE:KLAPP) 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.


Klappir Graenar Lausnir hf Shiller PE Ratio Related Terms


Klappir Graenar Lausnir hf Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Klappir Graenar Lausnir hf'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.

Klappir Graenar Lausnir hf Shiller PE Ratio Chart

Klappir Graenar Lausnir hf Annual Data
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Shiller PE Ratio
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Klappir Graenar Lausnir hf Semi-Annual Data
Jun17 Dec17 Jun18 Dec18 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Jun26
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OISE:KLAPP vs CRM, SHOP, UBER: Shiller PE Ratio Comparison

For the Software - Application subindustry, Klappir Graenar Lausnir hf'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.


Klappir Graenar Lausnir hf Shiller PE Ratio vs Software Industry

For the Software industry and Technology sector, Klappir Graenar Lausnir hf's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Klappir Graenar Lausnir hf's Shiller PE Ratio falls into.


OISE:KLAPP
84GF Score
Klappir Graenar Lausnir hf OISE:KLAPP
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Klappir Graenar Lausnir hf 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.

Klappir Graenar Lausnir hf does not have a history long enough to calculate E10. Therefore GuruFocus does not calculate Shiller PE Ratio for this company.

Is Klappir Graenar Lausnir hf (OISE:KLAPP) Overvalued in 2026?

Based on GuruFocus' analysis, Klappir Graenar Lausnir hf stock appears to be undervalued. The current stock price of kr640.00 is trading 3.2% below its estimated GF Value™ of kr661.09.

Key valuation signals for OISE:KLAPP:

  • Shiller PE Ratio:
  • GF Value™: kr661.09 vs. price of kr640.00 (3.2% below fair value)
  • GF Score™: 84/100 with 1 warning sign

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


Klappir Graenar Lausnir hf Business Description

Address Hlidasmari 3, kopavogur, ISL, 201
Klappir Graenar Lausnir hf develops, sells, and implements software in the environmental field. It is a provider of sustainability software, offering a platform thoroughly crafted to empower effective sustainability management across various sectors such as businesses, municipalities, and governments.
84GF Score

Get the complete analysis for OISE:KLAPP

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

kr640.00
Price
kr661.09
GF Value