S&P 500 comparison · Utilities

Duke Energy vs Exelon

Prices at close . Model readings .

Duke Energy

$123.57−0.99%
Month: negative

Exelon

$44.77+0.16%
Month: negative
Price change

Price change, with the S&P 500 as a benchmark

Percent change in each close since the start of the chosen range, for both companies and the S&P 500 (SPY). Daily closes over the last year, weekly before that and monthly before five years.

In short

How the two compare

On the latest closes (28 Oct 2026), Duke Energy is the larger company by market value ($90.95B against $41.19B). Over the past year Duke Energy returned +0.3% and Exelon −4.4%, while the S&P 500 returned +12.7%. The operating margin is 25.7% for Duke Energy and 14.9% for Exelon. Over the next 21 sessions the model expects −0.28% for Duke Energy, with a 63% chance of a rise, and −0.38% for Exelon, with a 35% chance.

Model view

What the model expects

Expected returns and the chance of a rise from our forecasting models, and the long-run fair value against the price. Readings, not advice.

Model readings:
Expected returnnext 21 sessions
DUK−0.28%
EXC−0.38%
Chance of a risenext 21 sessions
DUK63%
EXC35%
Expected returnnext 63 sessions
DUK+0.83%
EXC+0.79%
Range of outcomes63 sessions, 80% band
DUK−11.5% to +13.1%
EXC−12.5% to +14%
Chance of a risenext 63 sessionsMembers only · see plans
Long-run fair valueintrinsic value model
DUK—The model's fair value falls outside its own interval or at the gap clamp, so it is not a measurement.
EXC—The valuation was set at a price in another share basis than this close, so its fair value and gap are not printed.
Gap to pricefair value against the close
DUK—The model's fair value falls outside its own interval or at the gap clamp, so it is not a measurement.
EXC—The valuation was set at a price in another share basis than this close, so its fair value and gap are not printed.
Past readings that matchedsign of the 21-session outcome
DUK46.5%of 269
EXC40.9%of 269
Price performance

How the prices moved

Price change over each period, with the S&P 500 (SPY) for comparison.

Closes to
1 monthS&P 500: +1.1%
DUK+8.2%
EXC+10.1%
6 monthsS&P 500: +8.5%
DUK−0.6%
EXC−3.9%
Year to dateS&P 500: +13.3%
DUK+8.2%
EXC+4.6%
1 yearS&P 500: +12.7%
DUK+0.3%
EXC−4.4%
5 yearsS&P 500: +70.7%
DUK+46.6%
EXC+45%
1 year against the S&P 500percentage points
DUK−12.4 pts
EXC−17.1 pts
Position in the 52-week range0% low, 100% high
DUK59%close $123.57 in $110.99 to $132.18
EXC48%close $44.77 in $39.73 to $50.18
Against the 200-day average
DUK+0.5%
EXC−1.1%
Valuation

What the market pays

Size and the multiples from the latest filed quarter. A P/E on losses reads n/m.

Filings: quarter to (DUK), (EXC)
Market value
DUK$90.95B28 Oct 2026
EXC$41.19B28 Oct 2026
Enterprise valueat the last filing
DUK$117.42B31 Mar 2020
EXC$43.22B31 Dec 2015
P/Elatest filed
DUK—Not measured today.
EXC11.4
Price to book
DUK1.24
EXC0.94
EV / EBITDA
DUK—Not in the latest filing data.
EXC6.30
Free cash flow yield
DUK—Not in the latest filing data.
EXC−0.03%
Dividend yield
DUK—Not in the latest filing data.
EXC4.33%
Questions

Duke Energy or Exelon: common questions

Which is larger by market value, Duke Energy or Exelon?

Duke Energy, at $90.95B against $41.19B for Exelon, on the latest closes (28 Oct 2026).

How did Duke Energy and Exelon move over the past year against the S&P 500?

Over the past year Duke Energy returned +0.3% and Exelon −4.4%, while the S&P 500 returned +12.7%. Prices at close 28 Oct 2026.

What does the model expect for Duke Energy and Exelon over the next month?

−0.28% for Duke Energy with a 63% chance of a rise, and −0.38% for Exelon with a 35% chance, over the next 21 sessions. Model readings 28 Oct 2026. These are model readings, not advice.

How do the operating margins of Duke Energy and Exelon compare?

The operating margin is 25.7% for Duke Energy and 14.9% for Exelon. Filings: quarter to 31 Mar 2020 and 31 Dec 2015.

Do Duke Energy and Exelon shares move together?

Over the past year the correlation of their daily returns was 0.76 (often together); 1 means they always move together, 0 unrelated, −1 opposite. Prices at close 28 Oct 2026.

In the consoleCompare up to four companies with every model readingMembers see the 63-session chance of a rise and all four horizons, side by side in Research › Compare.
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The two company pagesDuke Energy (DUK) forecast and analysisExelon (EXC) forecast and analysis
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BrowseAll Utilities companiesAll comparisonsHow the model readings are made

Model readings are research estimates, not investment advice. Prices: daily closes. Fundamentals: the latest SEC filings. Short interest: FINRA, settlement 30 Sep 2026. A dash means the figure is not in our data; it is never shown as zero. The model view follows a published rule: next month by the sign of the expected return, the long run positive at a fair value 10% or more above the price and negative at 10% or more below it.