CEG vs DUK vs OKLO Stock Comparison

Constellation Energy, Duke Energy and Oklo Prices as of Oct 23, 2026 Peers: Industry group
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DUK Duke Energy CORP
$124.97 +9.4% 1M -1.8% 1Y
Market cap
$96.91B
P/E
19.1x
Revenue (TTM)
$33.17B
Div. yield
0.03%
Regulated Electric Utilities Utilities
6 wins
OKLO Oklo Inc.
$26.33 -32.2% 1M -78.9% 1Y
Market cap
$4.57B
P/E
–
Revenue (TTM)
—
Div. yield
–
Nuclear Power Utilities
1 win

Head to Head

11 decided of 12

Duke Energy leads on 6 of the 12 questions below (Duke Energy 6, Constellation Energy 4, Oklo 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCEGDUKOKLOLeader
Larger companyMarket capitalisation $90.91B $96.91B $4.57B DUK
Cheaper on earningsLower P/E, profitable companies only 26.2x 19.1x -29.9x DUK
Cheaper on forward earningsLower price / next fiscal year consensus EPS 20.6x 19.1x — DUK
Faster revenue growthRevenue growth, trailing twelve months +26.0% +7.2% — CEG
More profitableNet margin, trailing twelve months 11.1% 15.3% — DUK
Better return on capitalReturn on invested capital 5.5% 5.4% — CEG
Less leveragedLower net debt / EBITDA 2.9x 5.2x 11.4x CEG
Higher dividend yieldTrailing dividend yield 0.00% 0.03% 0.00% –
Better 1-year returnPrice return, last 12 months -30.7% -1.8% -78.9% DUK
Better 5-year returnAnnualised price return, 5 years — +3.8%/yr +21.8%/yr OKLO
Less volatileAnnualised volatility, 1 year 49.0% 16.6% 92.3% DUK
Higher overall scoreMean of the five percentile scores vs peers 70/100 56/100 30/100 CEG

Percentile Scorecard

CEGDUKOKLO

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisCEGDUKOKLO
Valuation 61 #10 of 24 70 #21 of 67 13 #21 of 24
Growth 96 #2 of 23 75 #17 of 65 0 #23 of 23
Profitability 86 #4 of 23 80 #14 of 65 27 #17 of 23
Financial Health 48 #13 of 24 35 #43 of 66 100 #1 of 24
Shareholder Returns 58 #9 of 20 23 #52 of 67 11 #18 of 20
Overall 70 56 30
  • CEG ranked among 24 companies in Power Generation
  • DUK ranked among 67 companies in Regulated Utilities
  • OKLO ranked among 24 companies in Power Generation

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodCEGDUKOKLOSPY
1 month -4.0%+9.4%-32.2% -1.0%
3 months -7.6%-4.3%-34.6% +2.9%
6 months -19.2%-1.8%-62.9% +6.4%
Year to date -28.3%+6.6%-63.3% +11.4%
1 year -30.7%-1.8%-78.9% +13.1%
3 years +121.8%+42.4%+155.4% +79.4%
3 years, per year +30.4%+12.5%+36.7% +21.5%
5 years —+20.4%+167.6% +67.7%
5 years, per year —+3.8%+21.8% +10.9%
10 years —+60.2%— +255.2%
10 years, per year —+4.8%— +13.5%

Risk

MeasureCEGDUKOKLOSPY
Volatility, 1Y 49.0%16.6%92.3% 12.7%
Downside volatility, 1Y 50.3%17.0%93.1% 12.7%
Beta vs S&P 500, 1Y 1.46-0.314.07 1.00
Return / volatility, 1Y -0.63-0.11-0.85 1.03
Max drawdown, 5Y -50.8%-26.0%-84.9% -25.4%
From 52-week high -36.9%-6.4%-81.6% -2.5%
52-week high $401.43$133.46$143.42 $779.14
52-week low $236.50$113.24$26.33 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleCEGDUKOKLO
P/E now vs peer median 26.3xmedian 24.1x 19.1xmedian 20.8x -30.4xmedian 24.1x
P/S now vs peer median 2.9xmedian 2.6x 2.9xmedian 2.8x 4,028xmedian 2.6x
EV/EBITDA now vs peer median 13.8xmedian 11.3x 11.0xmedian 13.1x -11.1xmedian 11.3x
P/FCF now vs peer median 291.2xmedian 12.9x -29.5xmedian 36.7x -17.7xmedian 12.9x
P/B now vs peer median 2.8xmedian 2.1x 1.7xmedian 1.7x 1.5xmedian 2.1x
PEG now vs peer median 0.44median 0.59 0.68median 2.27 0.19median 0.59

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsCEGDUKOKLO
Revenue $31.27B $33.17B –
Gross profit – $24.71B –
Operating income $4.60B $9.01B -$217.84M
Net income $3.48B $5.24B -$152.77M
Free cash flow $309.00M -$3.30B -$275.82M
R&D – – $106.06M
EPS (diluted) $9.63 $6.53 $-0.87
Cash & equivalents $697.00M $2.14B $1.64B
Total debt $24.70B $352.76B –
Shares (diluted) 360.00M 779.00M 176.22M
Enterprise value $81.82B $93.49B -$2.26B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricCEGDUKOKLO
P/E 26.3x 19.1x -30.4x
P/FCF 291.2x -29.5x -17.7x
P/Operating cash flow 21.4x 8.3x -41.7x
P/S 2.9x 2.9x 4,028x
P/B 2.8x 1.7x 1.5x
P/Tangible book 2.8x 1.7x 1.5x
EV/EBITDA 13.8x 11.0x -11.1x
EV/EBIT 24.8x 20.6x -11.1x
EV/Revenue 3.6x 5.6x –
EV/FCF 368.9x -56.2x -8.7x
EV/Operating cash flow 27.1x 15.9x -20.6x
PEG (3Y EPS CAGR) 0.44 0.68 0.19

Growth

14 metrics
MetricCEGDUKOKLO
Revenue growth (1Y) 26.0% 7.2% –
Revenue CAGR (3Y) 5.8% 4.5% –
Gross profit growth (1Y) – 12.9% –
Gross profit CAGR (3Y) – 8.0% –
Operating income growth (1Y) 19.7% 8.5% -196.2%
Operating income CAGR (3Y) 111.3% 12.2% -243.8%
Net income growth (1Y) 15.2% 7.7% -169.0%
Net income CAGR (3Y) 66.0% 29.1% -214.2%
EPS growth (1Y) 0.4% 8.6% -113.8%
EPS CAGR (3Y) 59.2% 28.1% -157.5%
Operating cash flow growth (1Y) 822.4% -3.0% -124.6%
Operating cash flow CAGR (3Y) 42.4% 27.6% -150.2%
Free cash flow growth (1Y) 112.9% -1,646% -416.0%
Free cash flow CAGR (3Y) 26.9% 19.6% -233.1%

Profitability

14 metrics
MetricCEGDUKOKLO
Gross margin – 74.5% –
EBITDA margin 26.4% 51.0% –
Operating margin 14.7% 27.2% –
Pretax margin 16.3% 18.1% –
Net margin 11.1% 15.3% –
FCF margin 1.0% -9.9% –
Operating cash flow margin 13.5% 35.2% –
Return on equity 10.6% 9.6% -5.2%
Return on assets 3.6% 2.7% -5.0%
Return on invested capital 5.5% 5.4% –
Return on capital employed 5.4% 5.1% -7.3%
Asset turnover 0.3x 0.2x –
Cash conversion (OCF / net income) 1.2x 2.2x 0.8x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricCEGDUKOKLO
Debt / assets 25.1% 45.6% 0.0%
Debt / equity 0.8x 1.6x 0.0x
Net debt / EBITDA 2.9x 5.2x 11.4x
Debt / FCF 79.9x -27.4x 0.0x
Liabilities / assets 67.5% 71.5% 2.5%
Equity / assets 32.5% 28.5% 97.5%
Interest coverage 5.9x 2.4x –
Current ratio 1.5x 0.7x 48.5x
Quick ratio 0.6x 0.3x 47.8x
Cash ratio 0.1x 0.1x 47.4x
Altman Z-score 1.47 0.73 –

Shareholder Returns

7 metrics
MetricCEGDUKOKLO
Dividend yield 0.7% 3.4% –
Net buyback yield – – -55.0%
Shareholder yield 0.7% 3.4% -55.0%
Payout ratio (earnings) – 63.7% –
Payout ratio (FCF) – -101.3% –
Dividend growth (1Y) – 4.1% –
Dividend CAGR (3Y) – 1.5% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusCEGDUKOKLO
Forward P/E 20.6xFY2026 19.1xFY2026 –
EPS, next fiscal year $12.32FY2026 $6.56FY2026 $-1.06FY2026
EPS growth, next FY +31.2%FY2026 +4.0%FY2026 –
EPS growth, the year after +12.6% +15.4% –
Revenue, next fiscal year $31.63BFY2026 $32.40BFY2026 $3.53MFY2026
Revenue growth, next FY +23.9%FY2026 +0.5%FY2026 –
Revenue growth, the year after +7.1% +4.1% +222.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCEGDUKOKLO
Held by institutions 79.8% 69.7% 46.3%
Institutions holding 1,843 2,457 667
Change in shares held, QoQ +2.9% +0.5% -8.5%
Institutions buying 1,002 1,297 389
Institutions selling 579 801 171
Buyers to sellers 1.73 1.62 2.27

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

CEGDUKOKLO
CEG 1.00 0.02 0.43
DUK 0.02 1.00 -0.17
OKLO 0.43 -0.17 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CEG, DUK and OKLO?

Duke Energy (DUK) is the largest by market capitalisation: Constellation Energy (CEG) $90.91B, Duke Energy (DUK) $96.91B, Oklo (OKLO) $4.57B.

Which stock is cheaper, CEG, DUK and OKLO?

Duke Energy (DUK) trades on the lowest price-to-earnings ratio (Constellation Energy (CEG) 26.2x, Duke Energy (DUK) 19.1x, Oklo (OKLO) -29.9x). On next year's consensus earnings, Duke Energy (DUK) is cheapest (Constellation Energy (CEG) 20.6x, Duke Energy (DUK) 19.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Constellation Energy (CEG) grew revenue fastest over the trailing twelve months: Constellation Energy (CEG) +26.0%, Duke Energy (DUK) +7.2%.

Which company is more profitable?

Duke Energy (DUK) has the highest net margin (Constellation Energy (CEG) 11.1%, Duke Energy (DUK) 15.3%). On return on invested capital, Constellation Energy (CEG) leads (Constellation Energy (CEG) 5.5%, Duke Energy (DUK) 5.4%).

Which stock has performed better?

Over the past year Duke Energy (DUK) returned the most: Constellation Energy (CEG) -30.7%, Duke Energy (DUK) -1.8%, Oklo (OKLO) -78.9%. Over five years, Oklo (OKLO) compounded fastest (Duke Energy (DUK) +3.8%/yr, Oklo (OKLO) +21.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Constellation Energy (CEG) 0.00%, Duke Energy (DUK) 0.03%, Oklo (OKLO) 0.00%. Constellation Energy (CEG) and Oklo (OKLO) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Duke Energy (DUK) has been the steadiest (Constellation Energy (CEG) 49.0%, Duke Energy (DUK) 16.6%, Oklo (OKLO) 92.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CEG, DUK and OKLO?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Duke Energy (DUK) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.