Stocks / ATO vs DUK

ATO vs DUK: Which Stock Is the Better Buy?

Atmos Energy Corporation and Duke Energy Corporation side by side — fundamentals from SEC filings, refreshed nightly. Sector: Utilities.

DUK is the larger company ($97.8B vs $28.8B). On the fundamentals, ATO grows revenue faster (10.8% vs 6.8%); ATO earns a higher net margin (25.5% vs 15.2%); DUK has the stronger return on equity (9.5% vs 8.8%). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — ATO vs DUK, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Atmos Energy Corporation (ATO)Duke Energy Corporation (DUK)
Market cap$28.8B$97.8B
Revenue (latest FY)$4.70B$32.24B
Net income (latest FY)$1.20B$4.91B
Revenue growth (5y CAGR)10.8%6.8%
Net margin25.5%15.2%
Return on equity8.8%9.5%
P/E ratio21.319.3
Dividend yield2.3%3.5%
Profitable years (of last 10)1010
Positive free cash flowNoNo

Verify the comparison

Use the filing period and source shown by each tool before treating two figures as comparable.

Compare with another company:

See the full ATO vs DUK breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open ATO's full financials →   Open DUK's full financials →

More comparisons

Frequently asked questions

Which is bigger, ATO or DUK?

Duke Energy Corporation is larger by market capitalization — $97.8B versus $28.8B.

Which grows faster, ATO or DUK?

Over the last five fiscal years, Atmos Energy Corporation grew revenue faster — 10.8%/yr versus 6.8%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

Keep exploring

ATO fundamentals → · DUK fundamentals → · All 1,500+ companies → · Free screener →