Greenbrier Cos. Inc (GBX) is undervalued and Trinity Industries Inc (TRN) is slightly overvalued.
Against our estimates of intrinsic value, GBX trades at the wider discount: a margin of safety of +42%, against -16% for TRN.
Values as of the 22 Sept 2026 close.
Discounting its cash flows at 20.8% (average of 3 methods) values the shares at $74.56; the price of $43.04 is 42% below that value, and 44% of that value comes from beyond year five.
Leak Score 60/100 on 9 of 12 signals
Discounting its cash flows at 7.1% (average of 3 methods) values the shares at $23.92; the price of $27.82 is 16% above that value, and 83% of that value comes from beyond year five.
Leak Score 14/100 on 3 of 12 signals
| Metric | GBX | TRN |
|---|---|---|
| Verdict | Undervalued | Slightly overvalued |
| Price | $43.04 | $27.82 |
| Intrinsic value | $74.56 | $23.92 |
| Margin of safety | +42% | -16% |
| Leak Score | 60/100 (9/12) | 14/100 (3/12) |
| Market cap | $1.3B | $2.2B |
| Revenue growth, 5 years | 3.0% | 4.3% |
| Operating margin | 5.7% | 15.2% |
| Net margin | 4.1% | 16.6% |
| Return on equity | 7.0% | 32.4% |
| Debt to equity | 1.19 | 4.57 |
| P/E | 12.7x | 6.7x |
| Forward P/E | 11.0x | 12.5x |
| P/B | 0.8x | 1.9x |
| Dividend yield | 3.1% | 4.5% |