Aercap Holdings NV (AER) is undervalued and United Rentals Inc (URI) is slightly overvalued.
Against our estimates of intrinsic value, AER trades at the wider discount: a margin of safety of +53%, against -19% for URI.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 6.9% (average of 3 methods) values the shares at $309.00; the price of $144.22 is 53% below that value, and 84% of that value comes from beyond year five.
Leak Score 54/100 on 3 of 12 signals
Discounting its cash flows at 11.6% (average of 3 methods) values the shares at $879.95; the price of $1043.04 is 19% above that value, and 68% of that value comes from beyond year five.
Leak Score 58/100 on 10 of 12 signals
| Metric | AER | URI |
|---|---|---|
| Verdict | Undervalued | Slightly overvalued |
| Price | $144.22 | $1043.04 |
| Intrinsic value | $309.00 | $879.95 |
| Margin of safety | +53% | -19% |
| Leak Score | 54/100 (3/12) | 58/100 (10/12) |
| Market cap | $22.3B | $64.9B |
| Revenue growth, 5 years | 10.9% | 13.6% |
| Operating margin | 49.0% | 25.2% |
| Net margin | 45.0% | 15.7% |
| Return on equity | 18.7% | 28.9% |
| Debt to equity | 2.33 | 1.67 |
| P/E | 7.1x | 25.1x |
| Forward P/E | 7.9x | 18.2x |
| P/B | 1.2x | 7.0x |
| Dividend yield | 1.1% | 0.8% |