RDEIY (Redeiaoracion) E10: $0.79 (As of Jun. 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.

RDEIY Redeia Corporacion SA RDEIY
63 GF Score
Price $8.65
GF Value $9.46
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Redeiaoracion E10?

Redeiaoracion RDEIY +0.58% 63 E10 is $0.79 as of Jun. 2026. GuruFocus rates RDEIY with a GF Score™ of 63/100 and a GF Value™ of $9.46 (Fairly Valued). The stock has 4 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.

Redeiaoracion's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.149. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is $0.79 for the trailing ten years ended in Jun. 2026.

During the past 12 months, Redeiaoracion's average E10 Growth Rate was -0.70% per year. During the past 3 years, the average E10 Growth Rate was -0.20% per year. During the past 5 years, the average E10 Growth Rate was 2.70% 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.

During the past 13 years, the highest 3-Year average E10 Growth Rate of Redeiaoracion was 6.60% per year. The lowest was -0.20% per year. And the median was 5.15% per year.

As of today (2026-09-05), Redeiaoracion's current stock price is $8.65. Redeiaoracion's E10 for the quarter that ended in Jun. 2026 was $0.79. Redeiaoracion's Shiller PE Ratio of today is 10.95.

During the past 13 years, the highest Shiller PE Ratio of Redeiaoracion was 20.37. The lowest was 10.07. And the median was 13.64.


Redeiaoracion  (OTCPK:RDEIY) 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.

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

Shiller PE Ratio=Share Price/E10
=8.65/0.79
=10.95

* 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 13 years, the highest Shiller P/E Ratio of Redeiaoracion was 20.37. The lowest was 10.07. And the median was 13.64.


Be Aware

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


Redeiaoracion E10 Related Terms


Redeiaoracion E10 Historical Data

* Premium members only.

The historical data trend for Redeiaoracion'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.

Redeiaoracion E10 Chart

Redeiaoracion 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 0.73 0.73 0.79 0.70 0.83

Redeiaoracion Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 0.81 0.80 0.83 0.78 0.79

RDEIY vs NEE, SO, DUK: E10 Comparison

For the Utilities - Regulated Electric subindustry, Redeiaoracion'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.


Redeiaoracion Shiller PE Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Redeiaoracion's Shiller PE Ratio distribution charts can be found below:

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


RDEIY
63GF Score
Redeia Corporacion SA RDEIY
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Redeiaoracion 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, Redeiaoracion'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)
=0.149/131.3300*131.3300
=0.149

Current CPI (Jun. 2026) = 131.3300.

Redeiaoracion Quarterly Data

per share eps CPI Adj_EPS
201609 0.154 99.737 0.203
201612 0.162 101.842 0.209
201703 0.180 100.896 0.234
201706 0.165 101.848 0.213
201709 0.172 101.524 0.222
201712 0.191 102.975 0.244
201803 0.216 102.122 0.278
201806 0.182 104.165 0.229
201809 0.177 103.818 0.224
201812 0.194 104.193 0.245
201903 0.200 103.488 0.254
201906 0.179 104.612 0.225
201909 0.170 103.905 0.215
201912 0.191 105.015 0.239
202003 0.177 103.469 0.225
202006 0.166 104.254 0.209
202009 0.192 103.521 0.244
202012 0.129 104.456 0.162
202103 0.200 104.857 0.250
202106 0.198 107.102 0.243
202109 0.210 107.669 0.256
202112 0.136 111.298 0.160
202203 0.186 115.153 0.212
202206 0.177 118.044 0.197
202209 0.173 117.221 0.194
202212 0.111 117.650 0.124
202303 0.179 118.948 0.198
202306 0.175 120.278 0.191
202309 0.179 121.343 0.194
202312 0.156 121.300 0.169
202403 0.133 122.762 0.142
202406 0.137 124.409 0.145
202409 0.143 123.121 0.153
202412 -0.039 124.753 -0.041
202503 0.138 125.531 0.144
202506 0.141 127.251 0.146
202509 0.131 126.840 0.136
202512 0.125 128.400 0.128
202603 0.150 129.860 0.152
202606 0.149 131.330 0.149

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 $0.79 mean?
Redeiaoracion (RDEIY) has a E10 of $0.79 as of Jun. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Redeiaoracion and its competitors.
Is Redeiaoracion's E10 too high?
Redeiaoracion's current E10 is $0.79. Overall, Redeiaoracion has a GF Score™ of 63/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Redeiaoracion's E10 compare to NEE and SO?
Redeiaoracion's E10 of $0.79 can be compared against companies in the Utilities - Regulated 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 an Utilities - Regulated company?
A good E10 depends on the Utilities - Regulated 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 Redeiaoracion and its competitors. Redeiaoracion's current E10 is $0.79. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Redeiaoracion stock overvalued right now?
Based on GuruFocus' analysis, Redeiaoracion (RDEIY) is currently considered Fairly Valued. The stock's GF Value™ is $9.46, compared to a current price of $8.65 — trading 8.6% below its estimated fair value. The current E10 is $0.79. Redeiaoracion's overall GF Score™ is 63/100 with 4 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 Redeiaoracion (RDEIY), the current E10 is $0.79 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 Redeiaoracion (RDEIY) Overvalued in 2026?

Based on GuruFocus' analysis, Redeiaoracion stock appears to be undervalued. The current stock price of $8.65 is trading 8.6% below its estimated GF Value™ of $9.46. GuruFocus considers Redeiaoracion to be Fairly Valued.

Key valuation signals for RDEIY:

  • E10: $0.79
  • GF Value™: $9.46 vs. price of $8.65 (8.6% below fair value)
  • GF Score™: 63/100 with 4 warning signs

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


Redeiaoracion Business Description

Address Paseo del Conde de los Gaitanes, 177, Alcobendas, Madrid, ESP, 28109
Redeia owns and operates the Spanish electric transmission system. The company has acquired almost all of the nation's power grid, which other owners were forced to sell to it by government decree. Its activities are regulated by the National Energy Commission, which answers to the Spanish legislature. Redeia also operates a small fiber optics network in Spain and has a growing Latin American infrastructure business.
63GF Score

Get the complete analysis for RDEIY

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

$8.65
Price
$9.46
GF Value