CEG vs OKLO vs PEG Stock Comparison

Constellation Energy, Oklo and Public Service Enterprise Prices as of Oct 23, 2026 Peers: Industry group
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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

Public Service Enterprise leads on 6 of the 12 questions below (Public Service Enterprise 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.

QuestionCEGOKLOPEGLeader
Larger companyMarket capitalisation $90.91B $4.57B $35.86B CEG
Cheaper on earningsLower P/E, profitable companies only 26.2x -29.9x 17.8x PEG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 20.6x — 17.2x PEG
Faster revenue growthRevenue growth, trailing twelve months +26.0% — +15.3% CEG
More profitableNet margin, trailing twelve months 11.1% — 15.4% PEG
Better return on capitalReturn on invested capital 5.5% — 6.4% PEG
Less leveragedLower net debt / EBITDA 2.9x 11.4x 5.5x CEG
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.04% –
Better 1-year returnPrice return, last 12 months -30.7% -78.9% -12.9% PEG
Better 5-year returnAnnualised price return, 5 years — +21.8%/yr +2.4%/yr OKLO
Less volatileAnnualised volatility, 1 year 49.0% 92.3% 19.0% PEG
Higher overall scoreMean of the five percentile scores vs peers 70/100 30/100 52/100 CEG

Percentile Scorecard

CEGOKLOPEG

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

AxisCEGOKLOPEG
Valuation 61 #10 of 24 13 #21 of 24 53 #32 of 67
Growth 96 #2 of 23 0 #23 of 23 28 #47 of 65
Profitability 86 #4 of 23 27 #17 of 23 77 #16 of 65
Financial Health 48 #13 of 24 100 #1 of 24 52 #32 of 66
Shareholder Returns 58 #9 of 20 11 #18 of 20 52 #33 of 67
Overall 70 30 52
  • CEG ranked among 24 companies in Power Generation
  • OKLO ranked among 24 companies in Power Generation
  • PEG ranked among 67 companies in Regulated Utilities

Price Performance

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

Returns

PeriodCEGOKLOPEGSPY
1 month -4.0%-32.2%+7.0% -1.0%
3 months -7.6%-34.6%-9.8% +2.9%
6 months -19.2%-62.9%-10.8% +6.4%
Year to date -28.3%-63.3%-10.3% +11.4%
1 year -30.7%-78.9%-12.9% +13.1%
3 years +121.8%+155.4%+19.1% +79.4%
3 years, per year +30.4%+36.7%+6.0% +21.5%
5 years —+167.6%+12.8% +67.7%
5 years, per year —+21.8%+2.4% +10.9%
10 years ——+75.9% +255.2%
10 years, per year ——+5.8% +13.5%

Risk

MeasureCEGOKLOPEGSPY
Volatility, 1Y 49.0%92.3%19.0% 12.7%
Downside volatility, 1Y 50.3%93.1%20.2% 12.7%
Beta vs S&P 500, 1Y 1.464.070.07 1.00
Return / volatility, 1Y -0.63-0.85-0.68 1.03
Max drawdown, 5Y -50.8%-84.9%-29.6% -25.4%
From 52-week high -36.9%-81.6%-17.2% -2.5%
52-week high $401.43$143.42$86.95 $779.14
52-week low $236.50$26.33$66.56 $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.

MultipleCEGOKLOPEG
P/E now vs peer median 26.3xmedian 24.1x -30.4xmedian 24.1x 17.8xmedian 20.8x
P/S now vs peer median 2.9xmedian 2.6x 4,028xmedian 2.6x 2.8xmedian 2.8x
EV/EBITDA now vs peer median 13.8xmedian 11.3x -11.1xmedian 11.3x 13.7xmedian 13.1x
P/FCF now vs peer median 291.2xmedian 12.9x -17.7xmedian 12.9x 130.1xmedian 36.7x
P/B now vs peer median 2.8xmedian 2.1x 1.5xmedian 2.1x 2.1xmedian 1.7x
PEG now vs peer median 0.44median 0.59 0.19median 0.59 -1.76median 2.27

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 monthsCEGOKLOPEG
Revenue $31.27B – $13.03B
Gross profit – – $8.51B
Operating income $4.60B -$217.84M $2.90B
Net income $3.48B -$152.77M $2.01B
Free cash flow $309.00M -$275.82M $276.00M
R&D – $106.06M –
EPS (diluted) $9.63 $-0.87 $4.03
Cash & equivalents $697.00M $1.64B $192.00M
Total debt $24.70B – $24.54B
Shares (diluted) 360.00M 176.22M 499.00M
Enterprise value $81.82B -$2.26B $34.80B

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
MetricCEGOKLOPEG
P/E 26.3x -30.4x 17.8x
P/FCF 291.2x -17.7x 130.1x
P/Operating cash flow 21.4x -41.7x 10.0x
P/S 2.9x 4,028x 2.8x
P/B 2.8x 1.5x 2.1x
P/Tangible book 2.8x 1.5x 2.1x
EV/EBITDA 13.8x -11.1x 13.7x
EV/EBIT 24.8x -11.1x 20.8x
EV/Revenue 3.6x – 4.6x
EV/FCF 368.9x -8.7x 218.3x
EV/Operating cash flow 27.1x -20.6x 16.8x
PEG (3Y EPS CAGR) 0.44 0.19 -1.76

Growth

14 metrics
MetricCEGOKLOPEG
Revenue growth (1Y) 26.0% – 15.3%
Revenue CAGR (3Y) 5.8% – 0.0%
Gross profit growth (1Y) – – 11.6%
Gross profit CAGR (3Y) – – -3.0%
Operating income growth (1Y) 19.7% -196.2% 7.5%
Operating income CAGR (3Y) 111.3% -243.8% -6.8%
Net income growth (1Y) 15.2% -169.0% 1.6%
Net income CAGR (3Y) 66.0% -214.2% -10.2%
EPS growth (1Y) 0.4% -113.8% 1.8%
EPS CAGR (3Y) 59.2% -157.5% -10.2%
Operating cash flow growth (1Y) 822.4% -124.6% 42.7%
Operating cash flow CAGR (3Y) 42.4% -150.2% 0.3%
Free cash flow growth (1Y) 112.9% -416.0% 142.9%
Free cash flow CAGR (3Y) 26.9% -233.1% -18.8%

Profitability

14 metrics
MetricCEGOKLOPEG
Gross margin – – 65.3%
EBITDA margin 26.4% – 33.7%
Operating margin 14.7% – 22.3%
Pretax margin 16.3% – 17.5%
Net margin 11.1% – 15.4%
FCF margin 1.0% – 2.1%
Operating cash flow margin 13.5% – 27.6%
Return on equity 10.6% -5.2% 11.6%
Return on assets 3.6% -5.0% 3.4%
Return on invested capital 5.5% – 6.4%
Return on capital employed 5.4% -7.3% 5.5%
Asset turnover 0.3x – 0.2x
Cash conversion (OCF / net income) 1.2x 0.8x 1.8x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricCEGOKLOPEG
Debt / assets 25.1% 0.0% 41.7%
Debt / equity 0.8x 0.0x 1.4x
Net debt / EBITDA 2.9x 11.4x 5.5x
Debt / FCF 79.9x 0.0x 88.9x
Liabilities / assets 67.5% 2.5% 70.5%
Equity / assets 32.5% 97.5% 29.5%
Interest coverage 5.9x – 2.7x
Current ratio 1.5x 48.5x 0.9x
Quick ratio 0.6x 47.8x 0.5x
Cash ratio 0.1x 47.4x 0.0x
Altman Z-score 1.47 – 1.22

Shareholder Returns

7 metrics
MetricCEGOKLOPEG
Dividend yield 0.7% – 3.7%
Net buyback yield – -55.0% –
Shareholder yield 0.7% -55.0% 3.7%
Payout ratio (earnings) – – 64.5%
Payout ratio (FCF) – – 469.9%
Dividend growth (1Y) – – 5.7%
Dividend CAGR (3Y) – – 5.4%

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.

ConsensusCEGOKLOPEG
Forward P/E 20.6xFY2026 – 17.2xFY2026
EPS, next fiscal year $12.32FY2026 $-1.06FY2026 $4.19FY2026
EPS growth, next FY +31.2%FY2026 – +3.5%FY2026
EPS growth, the year after +12.6% – +6.9%
Revenue, next fiscal year $31.63BFY2026 $3.53MFY2026 $13.18BFY2026
Revenue growth, next FY +23.9%FY2026 – +8.3%FY2026
Revenue growth, the year after +7.1% +222.0% +4.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCEGOKLOPEG
Held by institutions 79.8% 46.3% 77.3%
Institutions holding 1,843 667 1,307
Change in shares held, QoQ +2.9% -8.5% +4.0%
Institutions buying 1,002 389 676
Institutions selling 579 171 400
Buyers to sellers 1.73 2.27 1.69

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.

CEGOKLOPEG
CEG 1.00 0.43 0.41
OKLO 0.43 1.00 0.06
PEG 0.41 0.06 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CEG, OKLO and PEG?

Constellation Energy (CEG) is the largest by market capitalisation: Constellation Energy (CEG) $90.91B, Oklo (OKLO) $4.57B, Public Service Enterprise (PEG) $35.86B.

Which stock is cheaper, CEG, OKLO and PEG?

Public Service Enterprise (PEG) trades on the lowest price-to-earnings ratio (Constellation Energy (CEG) 26.2x, Oklo (OKLO) -29.9x, Public Service Enterprise (PEG) 17.8x). On next year's consensus earnings, Public Service Enterprise (PEG) is cheapest (Constellation Energy (CEG) 20.6x, Public Service Enterprise (PEG) 17.2x). 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%, Public Service Enterprise (PEG) +15.3%.

Which company is more profitable?

Public Service Enterprise (PEG) has the highest net margin (Constellation Energy (CEG) 11.1%, Public Service Enterprise (PEG) 15.4%). On return on invested capital, Public Service Enterprise (PEG) leads (Constellation Energy (CEG) 5.5%, Public Service Enterprise (PEG) 6.4%).

Which stock has performed better?

Over the past year Public Service Enterprise (PEG) returned the most: Constellation Energy (CEG) -30.7%, Oklo (OKLO) -78.9%, Public Service Enterprise (PEG) -12.9%. Over five years, Oklo (OKLO) compounded fastest (Oklo (OKLO) +21.8%/yr, Public Service Enterprise (PEG) +2.4%/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%, Oklo (OKLO) 0.00%, Public Service Enterprise (PEG) 0.04%. Constellation Energy (CEG) and Oklo (OKLO) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Public Service Enterprise (PEG) has been the steadiest (Constellation Energy (CEG) 49.0%, Oklo (OKLO) 92.3%, Public Service Enterprise (PEG) 19.0%). Volatility measures how widely the price swings, not the risk of the business.

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

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Public Service Enterprise (PEG) 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.