Enter Air (FRA:10N) E10: €0.58 (As of Mar. 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.

FRA:10N Enter Air SA FRA:10N
84 GF Score
Price €11.82
GF Value €14.33
Valuation Modestly Undervalued
! 7 Warning Signs
View Full Analysis

What is Enter Air E10?

Enter Air FRA:10N +0.51% 84 E10 is €0.58 as of Mar. 2026. GuruFocus rates FRA:10N with a GF Score™ of 84/100 and a GF Value™ of €14.33 (Modestly Undervalued). The stock has 7 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Enter Air's adjusted earnings per share data for the three months ended in Mar. 2026 was €-2.102. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is €0.58 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Enter Air's average E10 Growth Rate was -0.70% 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 E10 growth rate using E10 data.

As of today (2026-08-02), Enter Air's current stock price is €11.82. Enter Air's E10 for the quarter that ended in Mar. 2026 was €0.58. Enter Air's Shiller PE Ratio of today is 20.38.

During the past 11 years, the highest Shiller PE Ratio of Enter Air was 24.26. The lowest was 12.91. And the median was 18.63.


Enter Air  (FRA:10N) E10 Explanation

If a company grows much fast than inflation, E10 may underestimate the company's earnings power. Shiller PE Ratio can seem to be too high even the actual P/E is low.

For the Shiller P/E, 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 P/E is also called PE10.

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

Enter Air's Shiller P/E Ratio of today is calculated as

Shiller PE Ratio=Share Price/E10
=11.82/0.58
=20.38

* 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.

During the past 11 years, the highest Shiller P/E Ratio of Enter Air was 24.26. The lowest was 12.91. And the median was 18.63.


Be Aware

Shiller PE Ratio works better for cyclical companies. It gives you a better idea on the company's real earnings power.


Enter Air E10 Related Terms


Enter Air E10 Historical Data

* Premium members only.

The historical data trend for Enter Air's E10 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.

Enter Air E10 Chart

Enter Air Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
E10
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.59 0.82

Enter Air Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
E10 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 0.66 0.79 0.89 0.82 0.58

FRA:10N vs DAL, UAL, LUV: E10 Comparison

For the Airlines subindustry, Enter Air'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.


Enter Air Shiller PE Ratio vs Transportation Industry

For the Transportation industry and Industrials sector, Enter Air's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Enter Air's Shiller PE Ratio falls into.


FRA:10N
84GF Score
Enter Air SA FRA:10N
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Enter Air E10 Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. When we calculate the today's Shiller P/E ratio of a stock, we use today's price divided by E10.

What is E10? How do we calculate E10?

E10 is the average of the inflation adjusted earnings of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the E10 of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the earnings from 2001 through 2010.

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

For example, Enter Air's adjusted earnings per share data for the three months ended in Mar. 2026 was:

Adj_EPS= Earnings per Share (Diluted) /CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=-2.102/163.0700*163.0700
=-2.102

Current CPI (Mar. 2026) = 163.0700.

Enter Air Quarterly Data

per share eps CPI Adj_EPS
201606 0.019 99.552 0.031
201609 0.434 99.064 0.714
201612 0.025 100.366 0.041
201703 0.228 101.018 0.368
201706 0.177 101.180 0.285
201709 0.927 101.343 1.492
201712 -0.118 102.564 -0.188
201803 -0.053 102.564 -0.084
201806 0.258 103.378 0.407
201809 0.836 103.378 1.319
201812 -0.188 103.785 -0.295
201903 -0.120 104.274 -0.188
201906 0.715 105.983 1.100
201909 0.788 105.983 1.212
201912 -0.261 107.123 -0.397
202003 -1.019 109.076 -1.523
202006 -0.741 109.402 -1.105
202009 0.455 109.320 0.679
202012 -0.731 109.565 -1.088
202103 -1.540 112.658 -2.229
202106 0.258 113.960 0.369
202109 1.001 115.588 1.412
202112 -1.273 119.088 -1.743
202203 -0.908 125.031 -1.184
202206 -0.411 131.705 -0.509
202209 1.377 135.531 1.657
202212 0.899 139.113 1.054
202303 -0.218 145.950 -0.244
202306 1.191 147.009 1.321
202309 0.752 146.113 0.839
202312 0.875 147.741 0.966
202403 -0.850 149.044 -0.930
202406 0.529 150.997 0.571
202409 2.457 153.439 2.611
202412 -1.354 154.660 -1.428
202503 0.358 157.021 0.372
202506 2.126 157.509 2.201
202509 1.440 158.000 1.486
202512 -0.980 158.320 -1.009
202603 -2.102 163.070 -2.102

Add all the adjusted EPS together and divide 10 will get our e10.

Frequently Asked Questions Learn more about E10 →
What does a E10 of €0.58 mean?
Enter Air (FRA:10N) has a E10 of €0.58 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Enter Air and its competitors.
Is Enter Air's E10 too high?
Enter Air's current E10 is €0.58. Overall, Enter Air has a GF Score™ of 84/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Enter Air's E10 compare to DAL and UAL?
Enter Air's E10 of €0.58 can be compared against companies in the Transportation industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good E10 for a Transportation company?
A good E10 depends on the Transportation industry context. However, E10 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 E10 mean?
A high E10 can signal that a stock is expensive relative to its fundamentals. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Enter Air and its competitors. Enter Air's current E10 is €0.58. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Enter Air stock overvalued right now?
Based on GuruFocus' analysis, Enter Air (FRA:10N) is currently considered Modestly Undervalued. The stock's GF Value™ is €14.33, compared to a current price of €11.82 — trading 17.5% below its estimated fair value. The current E10 is €0.58. Enter Air's overall GF Score™ is 84/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is E10 calculated?
E10 is calculated from a company's financial statements. For Enter Air (FRA:10N), the current E10 is €0.58 as of Mar. 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 Enter Air (FRA:10N) Overvalued in 2026?

Based on GuruFocus' analysis, Enter Air stock appears to be undervalued. The current stock price of €11.82 is trading 17.5% below its estimated GF Value™ of €14.33. GuruFocus considers Enter Air to be Modestly Undervalued.

Key valuation signals for FRA:10N:

  • E10: €0.58
  • GF Value™: €14.33 vs. price of €11.82 (17.5% below fair value)
  • GF Score™: 84/100 with 7 warning signs

No single metric tells the full story. See the FRA:10N stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Enter Air Business Description

Other Exchanges ENT:Poland
Address ul. 17 Stycznia 45 B, Okęcie Business Park, Zephirus building, Warszawa, POL, 02-146
Enter Air SA is a polish charter airline. The Company has six permanent operational bases in Europe.
84GF Score

Get the complete analysis for FRA:10N

E10 is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€11.82
Price
€14.33
GF Value