Duke Energy Corp (DUK) is slightly undervalued and Entergy Corp (ETR) is overvalued.
Against our estimates of intrinsic value, DUK trades at the wider discount: a margin of safety of +14%, against -33% for ETR.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 6.9% (average of 2 methods) values the shares at $135.16; the price of $116.31 is 14% below that value, and 83% of that value comes from beyond year five.
Leak Score 48/100 on 10 of 12 signals
Discounting its cash flows at 7.0% (average of 2 methods) values the shares at $76.04; the price of $101.16 is 33% above that value.
Leak Score 40/100 on 10 of 12 signals
| Metric | DUK | ETR |
|---|---|---|
| Verdict | Slightly undervalued | Overvalued |
| Price | $116.31 | $101.16 |
| Intrinsic value | $135.16 | $76.04 |
| Margin of safety | +14% | -33% |
| Leak Score | 48/100 (10/12) | 40/100 (10/12) |
| Market cap | $90.7B | $48.3B |
| Revenue growth, 5 years | 6.2% | 5.4% |
| Operating margin | 26.6% | 22.2% |
| Net margin | 15.6% | 13.3% |
| Return on equity | 9.9% | 10.4% |
| Debt to equity | 1.68 | 1.88 |
| P/E | 17.4x | 25.9x |
| Forward P/E | 16.2x | 19.8x |
| P/B | 1.7x | 2.6x |
| Dividend yield | 3.8% | 2.5% |