Stocktoria

Duke Energy CORP DUK

NYSE · stock · Electric & Other Services Combined · website · IPO 2012-07-03 · LEI

Duke Energy CORP statistics & valuation

Market cap$100.1B
P / E20.1×
P / S3.2×
P / B1.9×
Net margin15.7%
Return on equity9.4%
FCF margin-5.3%
Net debt$87.0B
Net debt / EBITDA5.3×
Enterprise value USD$187.1B
EV / EBITDA11.5×
Earnings yield EBIT/EV4.6%
Return on capital4.9%
Graham number -20.3%$98.36

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value ($98.36); a green figure means the price is below it.

Profitability & efficiency

Net margin (%)
9.50% 11.20% 15.40% 5.90% 16.00% 8.90% 9.90% 15.10% 15.70% 2016201720182019202020212022202320242025
Gross margin (%)
2016201720182019202020212022202320242025
Operating margin (%)
22.90% 19.70% 23.40% 19.70% 22.50% 21.00% 24.70% 26.40% 27.20% 2016201720182019202020212022202320242025
Return on equity (%)
5.20% 7.30% 6.10% 7.80% 2.80% 7.60% 4.90% 5.70% 8.80% 9.40% 2016201720182019202020212022202320242025
Shares outstanding
700.0M 700.0M 727.0M 733.0M 769.0M 769.0M 770.0M 771.0M 776.0M 778.0M 2016201720182019202020212022202320242025
Net debt ($)
$47.50B $51.92B $54.09B $57.81B $59.60B $63.49B $69.34B $75.00B $80.38B $86.97B 2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
1.60% 2.20% 1.80% 2.40% 0.80% 2.30% 1.40% 1.60% 2.40% 2.50% 2016201720182019202020212022202320242025
Free cash flow margin (%)
-4.60% -9.30% -12.00% -4.50% -5.80% -19.00% -9.50% 0.20% -5.30% 2016201720182019202020212022202320242025
Debt / equity (×)
1.17× 1.25× 1.24× 1.21× 1.22× 1.25× 1.35× 1.50× 1.57× 1.64× 2016201720182019202020212022202320242025
EPS ($)
$3.11 $4.36 $3.76 $5.06 $1.72 $4.94 $3.17 $3.54 $5.71 $6.31 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

Duke Energy CORP trades at about 19.6× earnings — below its 10-year norm (10-year range 18×–54.7×, median 23.3×).

18× 54.7×

Shaded band = 10-year range (18×–54.7×); dot = today's 19.6×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Operating margin27.2%26.4%24.7%21.0%22.5%19.7%23.4%19.7%—22.9%
Net margin15.7%15.1%9.9%8.9%16.0%5.9%15.4%11.2%—9.5%
FCF margin-5.3%0.2%-9.5%-19.0%-5.8%-4.5%-12.0%-9.3%—-4.6%
Return on assets2.5%2.4%1.6%1.4%2.3%0.8%2.4%1.8%2.2%1.6%
Return on equity9.4%8.8%5.7%4.9%7.6%2.8%7.8%6.1%7.3%5.2%
Debt / equity1.64×1.57×1.50×1.35×1.25×1.22×1.21×1.24×1.25×1.17×
Current ratio0.550.670.740.700.620.530.620.650.680.70

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.