Duke Energy (XBUL:D2MN) E10: лв3.91 (As of Mar. 2026)

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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.
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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.

XBUL:D2MN Duke Energy Corp XBUL:D2MN
76 GF Score
Price лв101.92
GF Value лв97.85
! 11 Warning Signs
View Full Analysis

What is Duke Energy E10?

Duke Energy XBUL:D2MN 76 E10 is лв3.91 as of Mar. 2026. GuruFocus rates XBUL:D2MN with a GF Score™ of 76/100 and a GF Value™ of лв97.85. The stock has 11 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.

Duke Energy's adjusted earnings per share data for the three months ended in Mar. 2026 was лв3.383. Add all the adjusted EPS for the past 10 years together and divide 10 will get our e10, which is лв3.91 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Duke Energy's average E10 Growth Rate was 6.10% per year. During the past 3 years, the average E10 Growth Rate was 4.20% per year. During the past 5 years, the average E10 Growth Rate was 4.60% per year. During the past 10 years, the average E10 Growth Rate was 3.20% 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 Duke Energy was 6.30% per year. The lowest was -10.40% per year. And the median was 2.70% per year.

As of today (2026-07-23), Duke Energy's current stock price is лв101.92. Duke Energy's E10 for the quarter that ended in Mar. 2026 was лв3.91. Duke Energy's Shiller PE Ratio of today is 26.07.

During the past 13 years, the highest Shiller PE Ratio of Duke Energy was 27.34. The lowest was 17.32. And the median was 23.63.


Duke Energy  (XBUL:D2MN) 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.

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

Shiller PE Ratio=Share Price/E10
=101.92/3.91
=26.07

* 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 Duke Energy was 27.34. The lowest was 17.32. And the median was 23.63.


Be Aware

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


Duke Energy E10 Related Terms


Duke Energy E10 Historical Data

* Premium members only.

The historical data trend for Duke Energy'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.

Duke Energy E10 Chart

Duke Energy 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 4.03 4.23

Duke Energy 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 3.61 4.14 3.97 4.23 3.91

XBUL:D2MN vs SO, AEP, D: E10 Comparison

For the Utilities - Regulated Electric subindustry, Duke 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.


Duke Energy Shiller PE Ratio vs Utilities - Regulated Industry

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

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


XBUL:D2MN
76GF Score
Duke Energy Corp XBUL:D2MN
E10 is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Duke Energy 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, Duke Energy'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)
=3.383/330.2130*330.2130
=3.383

Current CPI (Mar. 2026) = 330.2130.

Duke Energy Quarterly Data

per share eps CPI Adj_EPS
201606 1.271 241.018 1.741
201609 2.920 241.428 3.994
201612 -0.584 241.432 -0.799
201703 1.752 243.801 2.373
201706 1.683 244.955 2.269
201709 2.336 246.819 3.125
201712 1.718 246.524 2.301
201803 1.511 249.554 1.999
201806 1.219 251.989 1.597
201809 2.593 252.439 3.392
201812 1.099 251.233 1.444
201903 2.130 254.202 2.767
201906 1.924 256.143 2.480
201909 3.126 256.759 4.020
201912 1.511 256.974 1.942
202003 2.130 258.115 2.725
202006 -1.941 257.797 -2.486
202009 2.988 260.280 3.791
202012 -0.223 260.474 -0.283
202103 2.147 264.877 2.677
202106 1.649 271.696 2.004
202109 3.074 274.310 3.700
202112 1.614 278.802 1.912
202203 1.855 287.504 2.131
202206 1.958 296.311 2.182
202209 3.109 296.808 3.459
202212 -1.477 296.797 -1.643
202303 1.735 301.836 1.898
202306 -0.550 305.109 -0.595
202309 2.731 307.789 2.930
202312 2.181 306.746 2.348
202403 2.473 312.332 2.615
202406 1.941 314.175 2.040
202409 2.748 315.301 2.878
202412 2.645 315.605 2.767
202503 3.023 319.799 3.121
202506 2.147 322.561 2.198
202509 3.109 324.800 3.161
202512 2.576 324.054 2.625
202603 3.383 330.213 3.383

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 лв3.91 mean?
Duke Energy (XBUL:D2MN) has a E10 of лв3.91 as of Mar. 2026. E10 represents the company's inflation-adjusted earnings per share over a 10-year period. View historical data on Duke Energy and its competitors.
Is Duke Energy's E10 too high?
Duke Energy's current E10 is лв3.91. Overall, Duke Energy has a GF Score™ of 76/100, reflecting its overall financial health beyond just this single metric.
How does Duke Energy's E10 compare to SO and AEP?
Duke Energy's E10 of лв3.91 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 Duke Energy and its competitors. Duke Energy's current E10 is лв3.91. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Duke Energy stock overvalued right now?
Duke Energy (XBUL:D2MN) has a current E10 of лв3.91. The stock's GF Value™ is лв97.85, compared to a current price of лв101.92 — trading 4.2% above its estimated fair value. The current E10 is лв3.91. Duke Energy's overall GF Score™ is 76/100 with 11 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 Duke Energy (XBUL:D2MN), the current E10 is лв3.91 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 Duke Energy (XBUL:D2MN) Overvalued in 2026?

Based on GuruFocus' analysis, Duke Energy stock appears to be overvalued. The current stock price of лв101.92 is trading 4.2% above its estimated GF Value™ of лв97.85.

Key valuation signals for XBUL:D2MN:

  • E10: лв3.91
  • GF Value™: лв97.85 vs. price of лв101.92 (4.2% above fair value)
  • GF Score™: 76/100 with 11 warning signs

No single metric tells the full story. See the XBUL:D2MN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Duke Energy Business Description

Address 525 South Tryon Street, Charlotte, NC, USA, 28202
Duke Energy is one of the largest US utilities, with subsidiaries in the Carolinas, Indiana, Florida, Ohio, and Kentucky that deliver electricity to more than 8 million customers. Its natural gas utilities serve more than 1.6 million customers.
76GF Score

Get the complete analysis for XBUL:D2MN

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

лв101.92
Price
лв97.85
GF Value