Which is better, DUKB or EXC?

On the Buffett-Fit framework, Duke Energy Corporation 5.625% (DUKB) currently grades higher than EXC — 61/100 (D grade) vs 35/100 (D). That said, "better" depends on which framework you trust — DUKB wins on Warren Buffett, Benjamin Graham, Philip Fisher, Peter Lynch, Joel Greenblatt, Charlie Munger, and Terry Smith; EXC wins on none. The full pillar breakdown is on this page.

Should I buy DUKB or EXC?

This page is an educational comparison, not investment advice. Both DUKB and EXC are graded against the same Buffett 5-pillar framework (moat, earnings durability, management quality, financial health, valuation) plus six other documented investor frameworks. Read the side-by-side breakdown to see which one matches the criteria you care about most — and always do your own research before making any investment decision.

Is DUKB better than EXC for value investing?

On the Buffett-style value-investing framework, DUKB currently grades higher — 61/100 vs 35/100, a 26-point gap. The gap is driven by which pillars each stock passes; the table on this page shows moat, durability, management, financial health, and valuation side-by-side.

What's the difference between DUKB and EXC on Warren Buffett's framework?

Both stocks are evaluated on the same five pillars: economic moat (durable competitive advantage), earnings durability (consistent profitability), management quality (capital allocation), financial health (conservative balance sheet), and valuation (margin of safety). DUKB currently scores 61/100 (D grade); EXC scores 35/100 (D grade). The "Where each wins" section on this page breaks down which pillar each stock dominates.

Which has the stronger moat, DUKB or EXC?

Moat strength is one of the five pillars in the Buffett-Fit score on this page. DUKB and EXC are each scored on ROIC sustainability, gross-margin durability, and qualitative signals like brand strength, switching costs, network effects, and regulatory barriers. The pillar breakdown on this page shows the moat sub-score side-by-side so you can see which one has the more durable competitive advantage.

Which is more undervalued, DUKB or EXC?

Valuation is one of the five Buffett-Fit pillars on this page. Both stocks are scored on owner-earnings yield, price-to-intrinsic-value vs the underlying compounding rate, and the margin of safety relative to a conservative DCF. The valuation sub-score in the table below tells you which one currently trades at a more attractive price relative to its underlying business quality.

Are DUKB and EXC both Utilities stocks?

Yes — both Duke Energy Corporation 5.625% (DUKB) and Exelon Corporation (EXC) operate in the Utilities sector. That makes this a direct sector-peer comparison, which is the apples-to-apples way to use the Buffett-Fit framework: the score weighs each stock against its sector's specific quality and valuation benchmarks (sector-relative bonus), so the cross-stock comparison isn't distorted by inter-sector base-rate differences.

Is this DUKB vs EXC comparison investment advice?

No. This page is an educational pattern-match against documented public frameworks (Buffett, Graham, Fisher, Lynch, Greenblatt, Munger, Smith), not personalised investment advice. The scores reflect how closely each stock matches each framework's documented criteria — they are not buy/hold/sell recommendations. Always do your own research and consult a licensed financial adviser for personalised advice.

Stock comparison

Duke Energy Corporation 5.625%

Exelon

Scored across Buffett, Graham, Lynch and Greenblatt - plus a side-by-side metric table covering valuation, quality, growth and balance sheet.

DUKB

Market cap

$18.53B

Sector

Utilities

EXC

Exelon

Market cap

$45.17B

Sector

Utilities

Overall winner

Duke Energy Corporation 5.625% DUKB

Wins on the combined sum of fit scores across all four strategies. Per-strategy breakdown below.

Fit scores by strategy

Strategy	DUKB	EXC	Winner
Warren Buffett	61D	35D	DUKB
Benjamin Graham	51C	46D	DUKB
Philip Fisher	50C	34F	DUKB
Peter Lynch	62C	41D	DUKB
Joel Greenblatt	37D	30F	DUKB
Charlie Munger	51D	31F	DUKB
Terry Smith	48D	19F	DUKB

Side-by-side metrics

Metric	DUKB	EXC
Market cap	$18.53B	$45.17B
P/E (TTM)	18.3x	16.3x
EV/EBIT	21.3x	18.5x
ROIC (TTM)	4.17%	3.92%
Gross margin	58.41%	24.11%
Net margin	15.44%	11.21%
Revenue CAGR 5y	6.97%	7.84%
EPS CAGR 5y	6.31%	12.02%
Debt / Equity	1.7x	1.7x
Dividend yield	3.52%	3.67%

Where each one wins

The metrics with the biggest gap between the two - sorted so the most decisive edges read first.

DUKB leads on

Gross margin58.41%vs 24.11%+59%
Net margin15.44%vs 11.21%+27%
ROIC (TTM)4.17%vs 3.92%+6%
Debt / Equity1.7xvs 1.7x+5%

EXC leads on

Market cap$45.17Bvs $18.53B+59%
EPS CAGR 5y12.02%vs 6.31%+48%
EV/EBIT18.5xvs 21.3x+13%
P/E (TTM)16.3xvs 18.3x+11%

More like DUKB

DUKB vs AXIA DUKB vs AEP DUKB vs NEE DUKB vs ATO DUKB vs XEL DUKB vs SBS

More like EXC

EXC vs AXIA EXC vs AEP EXC vs NEE EXC vs ATO EXC vs XEL EXC vs D

Read the full Buffett-Brain analysis for DUKB Read the full Buffett-Brain analysis for EXC

Related on invest-like

Strongest Moat Highest ROIC Warren Buffett strategy Economic Moat

Key terms in this analysis

ROIC Free Cash Flow (FCF)Economic Moat P/E Ratio Margin of Safety Quality Score

Educational tool. Fit scores are deterministic projections from public financials onto each investor's published criteria - not personal recommendations or advice.

Stock comparison

Duke Energy Corporation 5.625%

Exelon

Scored across Buffett, Graham, Lynch and Greenblatt - plus a side-by-side metric table covering valuation, quality, growth and balance sheet.

DUKB

Duke Energy Corporation 5.625%

Market cap

$18.53B

Sector

Utilities

EXC

Exelon

Market cap

$45.17B

Sector

Utilities

Overall winner

Duke Energy Corporation 5.625% DUKB

Wins on the combined sum of fit scores across all four strategies. Per-strategy breakdown below.

Fit scores by strategy

Strategy	DUKB	EXC	Winner
Warren Buffett	61D	35D	DUKB
Benjamin Graham	51C	46D	DUKB
Philip Fisher	50C	34F	DUKB
Peter Lynch	62C	41D	DUKB
Joel Greenblatt	37D	30F	DUKB
Charlie Munger	51D	31F	DUKB
Terry Smith	48D	19F	DUKB

Side-by-side metrics

Metric	DUKB	EXC
Market cap	$18.53B	$45.17B
P/E (TTM)	18.3x	16.3x
EV/EBIT	21.3x	18.5x
ROIC (TTM)	4.17%	3.92%
Gross margin	58.41%	24.11%
Net margin	15.44%	11.21%
Revenue CAGR 5y	6.97%	7.84%
EPS CAGR 5y	6.31%	12.02%
Debt / Equity	1.7x	1.7x
Dividend yield	3.52%	3.67%

Where each one wins

The metrics with the biggest gap between the two - sorted so the most decisive edges read first.

DUKB leads on

Gross margin58.41%vs 24.11%+59%
Net margin15.44%vs 11.21%+27%
ROIC (TTM)4.17%vs 3.92%+6%
Debt / Equity1.7xvs 1.7x+5%

EXC leads on

Market cap$45.17Bvs $18.53B+59%
EPS CAGR 5y12.02%vs 6.31%+48%
EV/EBIT18.5xvs 21.3x+13%
P/E (TTM)16.3xvs 18.3x+11%

More like DUKB

DUKB vs AXIA DUKB vs AEP DUKB vs NEE DUKB vs ATO DUKB vs XEL DUKB vs SBS

More like EXC

EXC vs AXIA EXC vs AEP EXC vs NEE EXC vs ATO EXC vs XEL EXC vs D

Read the full Buffett-Brain analysis for DUKB Read the full Buffett-Brain analysis for EXC

Related on invest-like

Strongest Moat Highest ROIC Warren Buffett strategy Economic Moat

Key terms in this analysis

ROIC Free Cash Flow (FCF)Economic Moat P/E Ratio Margin of Safety Quality Score

Educational tool. Fit scores are deterministic projections from public financials onto each investor's published criteria - not personal recommendations or advice.